qemu-e2k/configure

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#!/bin/sh
#
# qemu configure script (c) 2003 Fabrice Bellard
#
# Unset some variables known to interfere with behavior of common tools,
# just as autoconf does.
CLICOLOR_FORCE= GREP_OPTIONS=
unset CLICOLOR_FORCE GREP_OPTIONS
# Don't allow CCACHE, if present, to use cached results of compile tests!
export CCACHE_RECACHE=yes
# make source path absolute
source_path=$(cd "$(dirname -- "$0")"; pwd)
if test "$PWD" = "$source_path"
then
echo "Using './build' as the directory for build output"
MARKER=build/auto-created-by-configure
if test -e build
then
if test -f $MARKER
then
rm -rf build
else
echo "ERROR: ./build dir already exists and was not previously created by configure"
exit 1
fi
fi
mkdir build
touch $MARKER
cat > GNUmakefile <<'EOF'
# This file is auto-generated by configure to support in-source tree
# 'make' command invocation
ifeq ($(MAKECMDGOALS),)
recurse: all
endif
.NOTPARALLEL: %
%: force
@echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
@$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
@if test "$(MAKECMDGOALS)" = "distclean" && \
test -e build/auto-created-by-configure ; \
then \
rm -rf build GNUmakefile ; \
fi
force: ;
.PHONY: force
GNUmakefile: ;
EOF
cd build
exec $source_path/configure "$@"
fi
# Temporary directory used for files created while
# configure runs. Since it is in the build directory
# we can safely blow away any previous version of it
# (and we need not jump through hoops to try to delete
# it when configure exits.)
TMPDIR1="config-temp"
rm -rf "${TMPDIR1}"
mkdir -p "${TMPDIR1}"
if [ $? -ne 0 ]; then
echo "ERROR: failed to create temporary directory"
exit 1
fi
TMPB="qemu-conf"
TMPC="${TMPDIR1}/${TMPB}.c"
TMPO="${TMPDIR1}/${TMPB}.o"
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
TMPCXX="${TMPDIR1}/${TMPB}.cxx"
TMPM="${TMPDIR1}/${TMPB}.m"
TMPE="${TMPDIR1}/${TMPB}.exe"
rm -f config.log
# Print a helpful header at the top of config.log
echo "# QEMU configure log $(date)" >> config.log
printf "# Configured with:" >> config.log
printf " '%s'" "$0" "$@" >> config.log
echo >> config.log
echo "#" >> config.log
quote_sh() {
printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
}
print_error() {
(echo
echo "ERROR: $1"
while test -n "$2"; do
echo " $2"
shift
done
echo) >&2
}
error_exit() {
print_error "$@"
exit 1
}
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
do_compiler() {
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
# Run the compiler, capturing its output to the log. First argument
# is compiler binary to execute.
local compiler="$1"
shift
if test -n "$BASH_VERSION"; then eval '
echo >>config.log "
funcs: ${FUNCNAME[*]}
lines: ${BASH_LINENO[*]}"
'; fi
echo $compiler "$@" >> config.log
$compiler "$@" >> config.log 2>&1 || return $?
}
do_compiler_werror() {
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
# Run the compiler, capturing its output to the log. First argument
# is compiler binary to execute.
compiler="$1"
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
shift
if test -n "$BASH_VERSION"; then eval '
echo >>config.log "
funcs: ${FUNCNAME[*]}
lines: ${BASH_LINENO[*]}"
'; fi
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
echo $compiler "$@" >> config.log
$compiler "$@" >> config.log 2>&1 || return $?
# Test passed. If this is an --enable-werror build, rerun
# the test with -Werror and bail out if it fails. This
# makes warning-generating-errors in configure test code
# obvious to developers.
if test "$werror" != "yes"; then
return 0
fi
# Don't bother rerunning the compile if we were already using -Werror
case "$*" in
*-Werror*)
return 0
;;
esac
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
echo $compiler -Werror "$@" >> config.log
$compiler -Werror "$@" >> config.log 2>&1 && return $?
error_exit "configure test passed without -Werror but failed with -Werror." \
"This is probably a bug in the configure script. The failing command" \
"will be at the bottom of config.log." \
"You can run configure with --disable-werror to bypass this check."
}
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
do_cc() {
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
do_compiler_werror "$cc" $CPU_CFLAGS "$@"
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
}
do_cxx() {
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
do_compiler_werror "$cxx" $CPU_CFLAGS "$@"
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
}
do_objc() {
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
do_compiler_werror "$objcc" $CPU_CFLAGS "$@"
}
# Append $2 to the variable named $1, with space separation
add_to() {
eval $1=\${$1:+\"\$$1 \"}\$2
}
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
update_cxxflags() {
# Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
# options which some versions of GCC's C++ compiler complain about
# because they only make sense for C programs.
QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/)
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
for arg in $QEMU_CFLAGS; do
case $arg in
-Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
-Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
;;
*)
QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
;;
esac
done
}
compile_object() {
local_cflags="$1"
do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
}
compile_prog() {
local_cflags="$1"
local_ldflags="$2"
do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
$LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
}
# symbolically link $1 to $2. Portable version of "ln -sf".
symlink() {
rm -rf "$2"
mkdir -p "$(dirname "$2")"
ln -s "$1" "$2"
}
# check whether a command is available to this shell (may be either an
# executable or a builtin)
has() {
type "$1" >/dev/null 2>&1
}
version_ge () {
local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
local_ver2=$(echo "$2" | tr . ' ')
while true; do
set x $local_ver1
local_first=${2-0}
# 'shift 2' if $2 is set, or 'shift' if $2 is not set
shift ${2:+2}
local_ver1=$*
set x $local_ver2
# the second argument finished, the first must be greater or equal
test $# = 1 && return 0
test $local_first -lt $2 && return 1
test $local_first -gt $2 && return 0
shift ${2:+2}
local_ver2=$*
done
}
glob() {
eval test -z '"${1#'"$2"'}"'
}
if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
then
error_exit "main directory cannot contain spaces nor colons"
fi
# default parameters
cpu=""
static="no"
cross_compile="no"
cross_prefix=""
host_cc="cc"
configure: add option to disable -fstack-protector flags The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28 17:19:02 +01:00
stack_protector=""
safe_stack=""
use_containers="yes"
gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
if test -e "$source_path/.git"
then
git_submodules_action="update"
else
git_submodules_action="ignore"
fi
git_submodules="ui/keycodemapdb"
git="git"
# Don't accept a target_list environment variable.
unset target_list
unset target_list_exclude
# Default value for a variable defining feature "foo".
# * foo="no" feature will only be used if --enable-foo arg is given
# * foo="" feature will be searched for, and if found, will be used
# unless --disable-foo is given
# * foo="yes" this value will only be set by --enable-foo flag.
# feature will searched for,
# if not found, configure exits with error
#
# Always add --enable-foo and --disable-foo command line args.
# Distributions want to ensure that several features are compiled in, and it
# is impossible without a --enable-foo that exits if a feature is not found.
default_feature=""
# parse CC options second
for opt do
optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
case "$opt" in
--without-default-features)
default_feature="no"
;;
esac
done
EXTRA_CFLAGS=""
EXTRA_CXXFLAGS=""
EXTRA_OBJCFLAGS=""
EXTRA_LDFLAGS=""
debug_tcg="no"
sanitizers="no"
tsan="no"
fortify_source="yes"
EXESUF=""
modules="no"
prefix="/usr/local"
qemu_suffix="qemu"
softmmu="yes"
linux_user=""
bsd_user=""
pie=""
coroutine=""
plugins="$default_feature"
meson=""
meson_args=""
ninja=""
bindir="bin"
skip_meson=no
vfio_user_server="disabled"
# The following Meson options are handled manually (still they
# are included in the automatically generated help message)
# 1. Track which submodules are needed
if test "$default_feature" = no ; then
slirp="disabled"
else
slirp="auto"
fi
fdt="auto"
# 2. Automatically enable/disable other options
tcg="enabled"
cfi="false"
# parse CC options second
for opt do
optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
case "$opt" in
--cross-prefix=*) cross_prefix="$optarg"
cross_compile="yes"
;;
--cc=*) CC="$optarg"
;;
--cxx=*) CXX="$optarg"
;;
--cpu=*) cpu="$optarg"
;;
--extra-cflags=*)
EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
;;
--extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
;;
--extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
;;
--extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
;;
--cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
;;
--cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
eval "cross_cc_cflags_${cc_arch}=\$optarg"
;;
--cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
eval "cross_cc_${cc_arch}=\$optarg"
;;
--cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
;;
--cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
eval "cross_prefix_${cc_arch}=\$optarg"
;;
esac
done
# OS specific
# Using uname is really, really broken. Once we have the right set of checks
# we can eliminate its usage altogether.
# Preferred compiler:
# ${CC} (if set)
# ${cross_prefix}gcc (if cross-prefix specified)
# system compiler
if test -z "${CC}${cross_prefix}"; then
cc="$host_cc"
else
cc="${CC-${cross_prefix}gcc}"
fi
if test -z "${CXX}${cross_prefix}"; then
cxx="c++"
else
cxx="${CXX-${cross_prefix}g++}"
fi
ar="${AR-${cross_prefix}ar}"
as="${AS-${cross_prefix}as}"
ccas="${CCAS-$cc}"
objcopy="${OBJCOPY-${cross_prefix}objcopy}"
ld="${LD-${cross_prefix}ld}"
ranlib="${RANLIB-${cross_prefix}ranlib}"
nm="${NM-${cross_prefix}nm}"
smbd="$SMBD"
strip="${STRIP-${cross_prefix}strip}"
widl="${WIDL-${cross_prefix}widl}"
windres="${WINDRES-${cross_prefix}windres}"
pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
query_pkg_config() {
"${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
}
pkg_config=query_pkg_config
sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
# default flags for all hosts
# We use -fwrapv to tell the compiler that we require a C dialect where
# left shift of signed integers is well defined and has the expected
# 2s-complement style results. (Both clang and gcc agree that it
# provides these semantics.)
QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
QEMU_LDFLAGS=
# Flags that are needed during configure but later taken care of by Meson
CONFIGURE_CFLAGS="-std=gnu11 -Wall"
CONFIGURE_LDFLAGS=
check_define() {
cat > $TMPC <<EOF
#if !defined($1)
#error $1 not defined
#endif
int main(void) { return 0; }
EOF
compile_object
}
check_include() {
cat > $TMPC <<EOF
#include <$1>
int main(void) { return 0; }
EOF
compile_object
}
write_c_skeleton() {
cat > $TMPC <<EOF
int main(void) { return 0; }
EOF
}
if check_define __linux__ ; then
targetos=linux
elif check_define _WIN32 ; then
targetos=windows
elif check_define __OpenBSD__ ; then
targetos=openbsd
elif check_define __sun__ ; then
targetos=sunos
elif check_define __HAIKU__ ; then
targetos=haiku
elif check_define __FreeBSD__ ; then
targetos=freebsd
elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
targetos=gnu/kfreebsd
elif check_define __DragonFly__ ; then
targetos=dragonfly
elif check_define __NetBSD__; then
targetos=netbsd
elif check_define __APPLE__; then
targetos=darwin
else
# This is a fatal error, but don't report it yet, because we
# might be going to just print the --help text, or it might
# be the result of a missing compiler.
targetos=bogus
fi
# OS specific
mingw32="no"
bsd="no"
linux="no"
solaris="no"
case $targetos in
windows)
mingw32="yes"
plugins="no"
pie="no"
;;
gnu/kfreebsd)
bsd="yes"
;;
freebsd)
bsd="yes"
make="${MAKE-gmake}"
# needed for kinfo_getvmmap(3) in libutil.h
;;
dragonfly)
bsd="yes"
make="${MAKE-gmake}"
;;
netbsd)
bsd="yes"
make="${MAKE-gmake}"
;;
openbsd)
bsd="yes"
make="${MAKE-gmake}"
;;
darwin)
bsd="yes"
darwin="yes"
# Disable attempts to use ObjectiveC features in os/object.h since they
# won't work when we're compiling with gcc as a C compiler.
QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
;;
sunos)
solaris="yes"
make="${MAKE-gmake}"
# needed for CMSG_ macros in sys/socket.h
QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
# needed for TIOCWIN* defines in termios.h
QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
# $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
# Note that this check is broken for cross-compilation: if you're
# cross-compiling to one of these OSes then you'll need to specify
# the correct CPU with the --cpu option.
if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
cpu="x86_64"
fi
;;
haiku)
pie="no"
QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
;;
linux)
linux="yes"
;;
esac
if test ! -z "$cpu" ; then
# command line argument
:
elif check_define __i386__ ; then
cpu="i386"
elif check_define __x86_64__ ; then
if check_define __ILP32__ ; then
cpu="x32"
else
cpu="x86_64"
fi
elif check_define __sparc__ ; then
if check_define __arch64__ ; then
cpu="sparc64"
else
cpu="sparc"
fi
elif check_define _ARCH_PPC ; then
if check_define _ARCH_PPC64 ; then
if check_define _LITTLE_ENDIAN ; then
cpu="ppc64le"
else
cpu="ppc64"
fi
else
cpu="ppc"
fi
elif check_define __mips__ ; then
cpu="mips"
elif check_define __s390__ ; then
if check_define __s390x__ ; then
cpu="s390x"
else
cpu="s390"
fi
elif check_define __riscv ; then
cpu="riscv"
elif check_define __arm__ ; then
cpu="arm"
elif check_define __aarch64__ ; then
cpu="aarch64"
elif check_define __loongarch64 ; then
cpu="loongarch64"
else
cpu=$(uname -m)
fi
# Normalise host CPU name, set multilib cflags
# Note that this case should only have supported host CPUs, not guests.
case "$cpu" in
armv*b|armv*l|arm)
cpu="arm" ;;
i386|i486|i586|i686|i86pc|BePC)
cpu="i386"
CPU_CFLAGS="-m32" ;;
x32)
cpu="x86_64"
CPU_CFLAGS="-mx32" ;;
x86_64|amd64)
cpu="x86_64"
# ??? Only extremely old AMD cpus do not have cmpxchg16b.
# If we truly care, we should simply detect this case at
# runtime and generate the fallback to serial emulation.
CPU_CFLAGS="-m64 -mcx16" ;;
mips*)
cpu="mips" ;;
ppc)
CPU_CFLAGS="-m32" ;;
ppc64)
CPU_CFLAGS="-m64 -mbig-endian" ;;
ppc64le)
cpu="ppc64"
CPU_CFLAGS="-m64 -mlittle-endian" ;;
s390)
CPU_CFLAGS="-m31" ;;
s390x)
CPU_CFLAGS="-m64" ;;
sparc|sun4[cdmuv])
cpu="sparc"
CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
sparc64)
CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
esac
: ${make=${MAKE-make}}
# We prefer python 3.x. A bare 'python' is traditionally
# python 2.x, but some distros have it as python 3.x, so
# we check that too
python=
explicit_python=no
for binary in "${PYTHON-python3}" python
do
if has "$binary"
then
python=$(command -v "$binary")
break
fi
done
# Check for ancillary tools used in testing
genisoimage=
for binary in genisoimage mkisofs
do
if has $binary
then
genisoimage=$(command -v "$binary")
break
fi
done
# Default objcc to clang if available, otherwise use CC
if has clang; then
objcc=clang
else
objcc="$cc"
fi
if test "$mingw32" = "yes" ; then
EXESUF=".exe"
# MinGW needs -mthreads for TLS and macro _MT.
CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
write_c_skeleton;
prefix="/qemu"
bindir=""
qemu_suffix=""
fi
werror=""
. $source_path/scripts/meson-buildoptions.sh
meson_options=
meson_option_add() {
meson_options="$meson_options $(quote_sh "$1")"
}
meson_option_parse() {
meson_options="$meson_options $(_meson_option_parse "$@")"
if test $? -eq 1; then
echo "ERROR: unknown option $1"
echo "Try '$0 --help' for more information"
exit 1
fi
}
for opt do
optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
case "$opt" in
--help|-h) show_help=yes
;;
--version|-V) exec cat $source_path/VERSION
;;
--prefix=*) prefix="$optarg"
;;
--cross-prefix=*)
;;
--cc=*)
;;
--host-cc=*) host_cc="$optarg"
;;
--cxx=*)
;;
--objcc=*) objcc="$optarg"
;;
--make=*) make="$optarg"
;;
--install=*)
;;
--python=*) python="$optarg" ; explicit_python=yes
;;
--skip-meson) skip_meson=yes
;;
--meson=*) meson="$optarg"
;;
--ninja=*) ninja="$optarg"
;;
--smbd=*) smbd="$optarg"
;;
--extra-cflags=*)
;;
--extra-cxxflags=*)
;;
--extra-objcflags=*)
;;
--extra-ldflags=*)
;;
--cross-cc-*)
;;
--cross-prefix-*)
;;
--enable-debug-info) meson_option_add -Ddebug=true
;;
--disable-debug-info) meson_option_add -Ddebug=false
;;
--enable-modules)
modules="yes"
;;
--disable-modules)
modules="no"
;;
--cpu=*)
;;
--target-list=*) target_list="$optarg"
if test "$target_list_exclude"; then
error_exit "Can't mix --target-list with --target-list-exclude"
fi
;;
--target-list-exclude=*) target_list_exclude="$optarg"
if test "$target_list"; then
error_exit "Can't mix --target-list-exclude with --target-list"
fi
;;
--with-default-devices) meson_option_add -Ddefault_devices=true
;;
--without-default-devices) meson_option_add -Ddefault_devices=false
;;
--with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
;;
--with-devices-*) device_arch=${opt#--with-devices-};
device_arch=${device_arch%%=*}
cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
if test -f "$cf"; then
device_archs="$device_archs $device_arch"
eval "devices_${device_arch}=\$optarg"
else
error_exit "File $cf does not exist"
fi
;;
--without-default-features) # processed above
;;
--static)
static="yes"
QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
;;
--bindir=*) bindir="$optarg"
;;
--with-suffix=*) qemu_suffix="$optarg"
;;
--host=*|--build=*|\
--disable-dependency-tracking|\
--sbindir=*|--sharedstatedir=*|\
--oldincludedir=*|--datarootdir=*|--infodir=*|\
--htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
# These switches are silently ignored, for compatibility with
# autoconf-generated configure scripts. This allows QEMU's
# configure to be used by RPM and similar macros that set
# lots of directory switches by default.
;;
--enable-debug-tcg) debug_tcg="yes"
;;
--disable-debug-tcg) debug_tcg="no"
;;
--enable-debug)
# Enable debugging options that aren't excessively noisy
debug_tcg="yes"
meson_option_parse --enable-debug-mutex ""
meson_option_add -Doptimization=0
fortify_source="no"
;;
--enable-sanitizers) sanitizers="yes"
;;
--disable-sanitizers) sanitizers="no"
;;
--enable-tsan) tsan="yes"
;;
--disable-tsan) tsan="no"
;;
--disable-slirp) slirp="disabled"
;;
--enable-slirp) slirp="enabled"
;;
--enable-slirp=git) slirp="internal"
;;
--enable-slirp=*) slirp="$optarg"
;;
--disable-tcg) tcg="disabled"
plugins="no"
;;
--enable-tcg) tcg="enabled"
;;
--disable-system) softmmu="no"
;;
--enable-system) softmmu="yes"
;;
--disable-user)
linux_user="no" ;
bsd_user="no" ;
;;
--enable-user) ;;
--disable-linux-user) linux_user="no"
;;
--enable-linux-user) linux_user="yes"
;;
--disable-bsd-user) bsd_user="no"
;;
--enable-bsd-user) bsd_user="yes"
;;
--enable-pie) pie="yes"
;;
--disable-pie) pie="no"
;;
--enable-werror) werror="yes"
;;
--disable-werror) werror="no"
;;
configure: add option to disable -fstack-protector flags The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28 17:19:02 +01:00
--enable-stack-protector) stack_protector="yes"
;;
--disable-stack-protector) stack_protector="no"
;;
--enable-safe-stack) safe_stack="yes"
;;
--disable-safe-stack) safe_stack="no"
;;
--enable-cfi)
cfi="true";
meson_option_add -Db_lto=true
;;
--disable-cfi) cfi="false"
;;
--disable-fdt) fdt="disabled"
;;
--enable-fdt) fdt="enabled"
;;
--enable-fdt=git) fdt="internal"
;;
--enable-fdt=*) fdt="$optarg"
;;
--with-coroutine=*) coroutine="$optarg"
;;
--disable-zlib-test)
;;
--disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
;;
--enable-vhdx|--disable-vhdx)
echo "$0: $opt is obsolete, VHDX driver is always built" >&2
;;
--enable-uuid|--disable-uuid)
echo "$0: $opt is obsolete, UUID support is always built" >&2
;;
--with-git=*) git="$optarg"
;;
--with-git-submodules=*)
git_submodules_action="$optarg"
build: allow automatic git submodule updates to be disabled Some people building QEMU use VPATH builds where the source directory is on a read-only volume. In such a case 'scripts/git-submodules.sh update' will always fail and users are required to run it manually themselves on their original writable source directory. While this is already supported, it is nice to give users a command line flag to configure to permanently disable automatic submodule updates, as it means they won't get hard to diagnose failures from git-submodules.sh at an arbitrary later date. This patch thus introduces a flag '--disable-git-update' which will prevent 'make' from ever running 'scripts/git-submodules.sh update'. It will still run the 'status' command to determine if a submodule update is needed, but when it does this it'll simply stop and print a message instructing the developer what todo. eg $ ./configure --target-list=x86_64-softmmu --disable-git-update ...snip... $ make GEN config-host.h GEN trace/generated-tcg-tracers.h GEN trace/generated-helpers-wrappers.h GEN trace/generated-helpers.h GEN trace/generated-helpers.c GEN module_block.h GIT submodule checkout is out of date. Please run scripts/git-submodule.sh update ui/keycodemapdb from the source directory checkout /home/berrange/src/virt/qemu make: *** [Makefile:31: git-submodule-update] Error 1 Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-10-26 14:52:26 +02:00
;;
--enable-plugins) if test "$mingw32" = "yes"; then
error_exit "TCG plugins not currently supported on Windows platforms"
else
plugins="yes"
fi
;;
--disable-plugins) plugins="no"
;;
--enable-containers) use_containers="yes"
;;
--disable-containers) use_containers="no"
;;
--gdb=*) gdb_bin="$optarg"
;;
# backwards compatibility options
--enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
;;
--disable-blobs) meson_option_parse --disable-install-blobs ""
;;
--enable-vfio-user-server) vfio_user_server="enabled"
;;
--disable-vfio-user-server) vfio_user_server="disabled"
;;
--enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
;;
--enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
;;
# everything else has the same name in configure and meson
--*) meson_option_parse "$opt" "$optarg"
;;
esac
done
# test for any invalid configuration combinations
if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
error_exit "Can't enable plugins on non-TCG builds"
fi
case $git_submodules_action in
update|validate)
if test ! -e "$source_path/.git"; then
echo "ERROR: cannot $git_submodules_action git submodules without .git"
exit 1
fi
;;
ignore)
if ! test -f "$source_path/ui/keycodemapdb/README"
then
echo
echo "ERROR: missing GIT submodules"
echo
if test -e "$source_path/.git"; then
echo "--with-git-submodules=ignore specified but submodules were not"
echo "checked out. Please initialize and update submodules."
else
echo "This is not a GIT checkout but module content appears to"
echo "be missing. Do not use 'git archive' or GitHub download links"
echo "to acquire QEMU source archives. Non-GIT builds are only"
echo "supported with source archives linked from:"
echo
echo " https://www.qemu.org/download/#source"
echo
echo "Developers working with GIT can use scripts/archive-source.sh"
echo "if they need to create valid source archives."
fi
echo
exit 1
fi
;;
*)
echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
exit 1
;;
esac
default_target_list=""
mak_wilds=""
if [ "$linux_user" != no ]; then
if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then
linux_user=yes
elif [ "$linux_user" = yes ]; then
error_exit "linux-user not supported on this architecture"
fi
fi
if [ "$bsd_user" != no ]; then
if [ "$bsd_user" = "" ]; then
test $targetos = freebsd && bsd_user=yes
fi
if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then
error_exit "bsd-user not supported on this host OS"
fi
fi
if [ "$softmmu" = "yes" ]; then
mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
fi
if [ "$linux_user" = "yes" ]; then
mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
fi
if [ "$bsd_user" = "yes" ]; then
mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
fi
for config in $mak_wilds; do
target="$(basename "$config" .mak)"
if echo "$target_list_exclude" | grep -vq "$target"; then
default_target_list="${default_target_list} $target"
fi
done
if test x"$show_help" = x"yes" ; then
cat << EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]
Standard options:
--help print this message
--prefix=PREFIX install in PREFIX [$prefix]
--target-list=LIST set target list (default: build all)
$(echo Available targets: $default_target_list | \
fold -s -w 53 | sed -e 's/^/ /')
--target-list-exclude=LIST exclude a set of targets from the default target-list
Advanced options (experts only):
--cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
--cc=CC use C compiler CC [$cc]
--host-cc=CC use C compiler CC [$host_cc] for code run at
build time
--cxx=CXX use C++ compiler CXX [$cxx]
--objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
--extra-cflags=CFLAGS append extra C compiler flags CFLAGS
--extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
--extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
--extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
--cross-cc-ARCH=CC use compiler when building ARCH guest test cases
--cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
--cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
--make=MAKE use specified make [$make]
--python=PYTHON use specified python [$python]
--meson=MESON use specified meson [$meson]
--ninja=NINJA use specified ninja [$ninja]
--smbd=SMBD use specified smbd [$smbd]
--with-git=GIT use specified git [$git]
--with-git-submodules=update update git submodules (default if .git dir exists)
--with-git-submodules=validate fail if git submodules are not up to date
--with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
--static enable static build [$static]
--bindir=PATH install binaries in PATH
--with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
--without-default-features default all --enable-* options to "disabled"
--without-default-devices do not include any device that is not needed to
start the emulator (only use if you are including
desired devices in configs/devices/)
--with-devices-ARCH=NAME override default configs/devices
--enable-debug enable common debug build options
--enable-sanitizers enable default sanitizers
--enable-tsan enable thread sanitizer
--disable-werror disable compilation abort on warning
configure: add option to disable -fstack-protector flags The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28 17:19:02 +01:00
--disable-stack-protector disable compiler-provided stack protection
--cpu=CPU Build for host CPU [$cpu]
--with-coroutine=BACKEND coroutine backend. Supported options:
ucontext, sigaltstack, windows
--enable-plugins
enable plugins via shared library loading
--disable-containers don't use containers for cross-building
--gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
EOF
meson_options_help
cat << EOF
system all system emulation targets
user supported user emulation targets
linux-user all linux usermode emulation targets
bsd-user all BSD usermode emulation targets
pie Position Independent Executables
modules modules support (non-Windows)
debug-tcg TCG debugging (default is disabled)
debug-info debugging information
safe-stack SafeStack Stack Smash Protection. Depends on
clang/llvm >= 3.7 and requires coroutine backend ucontext.
NOTE: The object files are built at the place where configure is launched
EOF
exit 0
fi
# Remove old dependency files to make sure that they get properly regenerated
rm -f */config-devices.mak.d
if test -z "$python"
then
error_exit "Python not found. Use --python=/path/to/python"
fi
if ! has "$make"
then
error_exit "GNU make ($make) not found"
fi
# Note that if the Python conditional here evaluates True we will exit
# with status 1 which is a shell 'false' value.
if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
error_exit "Cannot use '$python', Python >= 3.6 is required." \
"Use --python=/path/to/python to specify a supported Python."
fi
# Preserve python version since some functionality is dependent on it
python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
# Suppress writing compiled files
python="$python -B"
if test -z "$meson"; then
if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then
meson=meson
elif test $git_submodules_action != 'ignore' ; then
meson=git
elif test -e "${source_path}/meson/meson.py" ; then
meson=internal
else
if test "$explicit_python" = yes; then
error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
else
error_exit "Meson not found. Use --meson=/path/to/meson"
fi
fi
else
# Meson uses its own Python interpreter to invoke other Python scripts,
# but the user wants to use the one they specified with --python.
#
# We do not want to override the distro Python interpreter (and sometimes
# cannot: for example in Homebrew /usr/bin/meson is a bash script), so
# just require --meson=git|internal together with --python.
if test "$explicit_python" = yes; then
case "$meson" in
git | internal) ;;
*) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
esac
fi
fi
if test "$meson" = git; then
git_submodules="${git_submodules} meson"
fi
case "$meson" in
git | internal)
meson="$python ${source_path}/meson/meson.py"
;;
*) meson=$(command -v "$meson") ;;
esac
# Probe for ninja
if test -z "$ninja"; then
for c in ninja ninja-build samu; do
if has $c; then
ninja=$(command -v "$c")
break
fi
done
if test -z "$ninja"; then
error_exit "Cannot find Ninja"
fi
fi
# Check that the C compiler works. Doing this here before testing
# the host CPU ensures that we had a valid CC to autodetect the
# $cpu var (and we should bail right here if that's not the case).
# It also allows the help message to be printed without a CC.
write_c_skeleton;
if compile_object ; then
: C compiler works ok
else
error_exit "\"$cc\" either does not exist or does not work"
fi
if ! compile_prog ; then
error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
fi
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
# Consult white-list to determine whether to enable werror
# by default. Only enable by default for git builds
if test -z "$werror" ; then
if test "$git_submodules_action" != "ignore" && \
{ test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
configure: Make C++ test work with --enable-werror gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-02-25 19:27:49 +01:00
werror="yes"
else
werror="no"
fi
fi
if test "$targetos" = "bogus"; then
# Now that we know that we're not printing the help and that
# the compiler works (so the results of the check_defines we used
# to identify the OS are reliable), if we didn't recognize the
# host OS we should stop now.
error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
fi
# Check whether the compiler matches our minimum requirements:
cat > $TMPC << EOF
#if defined(__clang_major__) && defined(__clang_minor__)
# ifdef __apple_build_version__
# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
# error You need at least XCode Clang v10.0 to compile QEMU
# endif
# else
# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
# error You need at least Clang v6.0 to compile QEMU
# endif
# endif
#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
# error You need at least GCC v7.4.0 to compile QEMU
# endif
#else
# error You either need GCC or Clang to compiler QEMU
#endif
int main (void) { return 0; }
EOF
if ! compile_prog "" "" ; then
error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
fi
# Accumulate -Wfoo and -Wno-bar separately.
# We will list all of the enable flags first, and the disable flags second.
# Note that we do not add -Werror, because that would enable it for all
# configure tests. If a configure test failed due to -Werror this would
# just silently disable some features, so it's too error prone.
warn_flags=
add_to warn_flags -Wold-style-declaration
add_to warn_flags -Wold-style-definition
add_to warn_flags -Wtype-limits
add_to warn_flags -Wformat-security
add_to warn_flags -Wformat-y2k
add_to warn_flags -Winit-self
add_to warn_flags -Wignored-qualifiers
add_to warn_flags -Wempty-body
add_to warn_flags -Wnested-externs
add_to warn_flags -Wendif-labels
add_to warn_flags -Wexpansion-to-defined
add_to warn_flags -Wimplicit-fallthrough=2
nowarn_flags=
add_to nowarn_flags -Wno-initializer-overrides
add_to nowarn_flags -Wno-missing-include-dirs
add_to nowarn_flags -Wno-shift-negative-value
add_to nowarn_flags -Wno-string-plus-int
add_to nowarn_flags -Wno-typedef-redefinition
add_to nowarn_flags -Wno-tautological-type-limit-compare
add_to nowarn_flags -Wno-psabi
gcc_flags="$warn_flags $nowarn_flags"
cc_has_warning_flag() {
write_c_skeleton;
# Use the positive sense of the flag when testing for -Wno-wombat
# support (gcc will happily accept the -Wno- form of unknown
# warning options).
optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
compile_prog "-Werror $optflag" ""
}
objcc_has_warning_flag() {
cat > $TMPM <<EOF
int main(void) { return 0; }
EOF
# Use the positive sense of the flag when testing for -Wno-wombat
# support (gcc will happily accept the -Wno- form of unknown
# warning options).
optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
do_objc -Werror $optflag \
$OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
-o $TMPE $TMPM $QEMU_LDFLAGS
}
for flag in $gcc_flags; do
if cc_has_warning_flag $flag ; then
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
fi
if objcc_has_warning_flag $flag ; then
QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
fi
done
if test "$stack_protector" != "no"; then
cat > $TMPC << EOF
int main(int argc, char *argv[])
{
char arr[64], *p = arr, *c = argv[0];
while (*c) {
*p++ = *c++;
}
return 0;
}
EOF
configure: add option to disable -fstack-protector flags The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28 17:19:02 +01:00
gcc_flags="-fstack-protector-strong -fstack-protector-all"
sp_on=0
configure: add option to disable -fstack-protector flags The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28 17:19:02 +01:00
for flag in $gcc_flags; do
# We need to check both a compile and a link, since some compiler
# setups fail only on a .c->.o compile and some only at link time
if compile_object "-Werror $flag" &&
compile_prog "-Werror $flag" ""; then
configure: add option to disable -fstack-protector flags The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28 17:19:02 +01:00
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
sp_on=1
configure: add option to disable -fstack-protector flags The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28 17:19:02 +01:00
break
fi
done
if test "$stack_protector" = yes; then
if test $sp_on = 0; then
error_exit "Stack protector not supported"
fi
fi
fi
# Disable -Wmissing-braces on older compilers that warn even for
# the "universal" C zero initializer {0}.
cat > $TMPC << EOF
struct {
int a[2];
} x = {0};
EOF
if compile_object "-Werror" "" ; then
:
else
QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
fi
# Our module code doesn't support Windows
if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
error_exit "Modules are not available for Windows"
fi
# Static linking is not possible with plugins, modules or PIE
if test "$static" = "yes" ; then
if test "$modules" = "yes" ; then
error_exit "static and modules are mutually incompatible"
fi
if test "$plugins" = "yes"; then
error_exit "static and plugins are mutually incompatible"
else
plugins="no"
fi
fi
test "$plugins" = "" && plugins=yes
cat > $TMPC << EOF
#ifdef __linux__
# define THREAD __thread
#else
# define THREAD
#endif
static THREAD int tls_var;
int main(void) { return tls_var; }
EOF
if test "$static" = "yes"; then
if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
pie="yes"
elif test "$pie" = "yes"; then
error_exit "-static-pie not available due to missing toolchain support"
else
QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
pie="no"
fi
elif test "$pie" = "no"; then
if compile_prog "-Werror -fno-pie" "-no-pie"; then
CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
fi
elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
pie="yes"
elif test "$pie" = "yes"; then
error_exit "PIE not available due to missing toolchain support"
else
echo "Disabling PIE due to missing toolchain support"
pie="no"
fi
# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
# The combination is known as "full relro", because .got.plt is read-only too.
if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
fi
##########################################
# __sync_fetch_and_and requires at least -march=i486. Many toolchains
# use i686 as default anyway, but for those that don't, an explicit
# specification is necessary
if test "$cpu" = "i386"; then
cat > $TMPC << EOF
static int sfaa(int *ptr)
{
return __sync_fetch_and_and(ptr, 0);
}
int main(void)
{
int val = 42;
val = __sync_val_compare_and_swap(&val, 0, 1);
sfaa(&val);
return val;
}
EOF
if ! compile_prog "" "" ; then
QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
fi
fi
if test "$tcg" = "enabled"; then
git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
fi
if test -z "${target_list+xxx}" ; then
default_targets=yes
for target in $default_target_list; do
target_list="$target_list $target"
done
target_list="${target_list# }"
else
default_targets=no
target_list=$(echo "$target_list" | sed -e 's/,/ /g')
for target in $target_list; do
# Check that we recognised the target name; this allows a more
# friendly error message than if we let it fall through.
case " $default_target_list " in
*" $target "*)
;;
*)
error_exit "Unknown target name '$target'"
;;
esac
done
fi
# see if system emulation was really requested
case " $target_list " in
*"-softmmu "*) softmmu=yes
;;
*) softmmu=no
;;
esac
feature_not_found() {
feature=$1
remedy=$2
error_exit "User requested feature $feature" \
"configure was not able to find it." \
"$remedy"
}
# ---
# big/little endian test
cat > $TMPC << EOF
#include <stdio.h>
short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
int main(int argc, char *argv[])
{
return printf("%s %s\n", (char *)big_endian, (char *)little_endian);
}
EOF
if compile_prog ; then
if strings -a $TMPE | grep -q BiGeNdIaN ; then
bigendian="yes"
elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then
bigendian="no"
else
echo big/little test failed
exit 1
fi
else
echo big/little test failed
exit 1
fi
##########################################
# pkg-config probe
if ! has "$pkg_config_exe"; then
error_exit "pkg-config binary '$pkg_config_exe' not found"
fi
##########################################
# glib support probe
# When bumping glib_req_ver, please check also whether we should increase
# the _WIN32_WINNT setting in osdep.h according to the value from glib
glib_req_ver=2.56
glib_modules=gthread-2.0
if test "$modules" = yes; then
glib_modules="$glib_modules gmodule-export-2.0"
elif test "$plugins" = "yes"; then
glib_modules="$glib_modules gmodule-no-export-2.0"
fi
for i in $glib_modules; do
if $pkg_config --atleast-version=$glib_req_ver $i; then
glib_cflags=$($pkg_config --cflags $i)
glib_libs=$($pkg_config --libs $i)
else
error_exit "glib-$glib_req_ver $i is required to compile QEMU"
fi
done
glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
if test -z "$glib_bindir" ; then
glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
fi
# This workaround is required due to a bug in pkg-config file for glib as it
# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
if test "$static" = yes && test "$mingw32" = yes; then
glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
fi
configure: sanity check the glib library that pkg-config finds Developers on 64-bit machines will often try to perform a 32-bit build of QEMU by running ./configure --extra-cflags="-m32" Unfortunately if PKG_CONFIG_LIBDIR is not set to point to the location of the 32-bit pkg-config files, then configure will silently pick up the 64-bit pkg-config files and still succeed. This causes a problem for glib because it means QEMU will be pulling in /usr/lib64/glib-2.0/include/glibconfig.h instead of /usr/lib/glib-2.0/include/glibconfig.h This causes problems because the 'gsize' type (defined as 'unsigned long') will no longer be fully compatible with the 'size_t' type (defined as 'unsigned int'). Although both are the same size, the compiler refuses to allow casts from 'unsigned long *' to 'unsigned int *' as they are different pointer types. This results in non-obvious compiler errors when building QEMU eg qga/commands-posix.c: In function ‘qmp_guest_set_user_password’: qga/commands-posix.c:1912:55: error: passing argument 2 of ‘g_base64_decode’ from incompatible pointer type [-Werror=incompatible-pointer-types] rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen); ^ In file included from /usr/include/glib-2.0/glib.h:35:0, from qga/commands-posix.c:14: /usr/include/glib-2.0/glib/gbase64.h:52:9: note: expected ‘gsize * {aka long unsigned int *}’ but argument is of type ‘size_t * {aka unsigned int *}’ guchar *g_base64_decode (const gchar *text, ^ cc1: all warnings being treated as errors To detect this problem, add a check to configure that verifies that GLIB_SIZEOF_SIZE_T matches sizeof(size_t). If this fails print a warning suggesting that the dev probably needs to set PKG_CONFIG_LIBDIR. On Fedora x86_64 it passes with any of: # ./configure # PKG_CONFIG_LIBDIR=/usr/lib/pkgconfig ./configure --extra-cflags="-m32" # PKG_CONFIG_LIBDIR=/usr/lib64/pkgconfig ./configure --extra-cflags="-m64" And fails with a mis-match # PKG_CONFIG_LIBDIR=/usr/lib64/pkgconfig ./configure --extra-cflags="-m32" # PKG_CONFIG_LIBDIR=/usr/lib/pkgconfig ./configure --extra-cflags="-m64" ERROR: sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build target Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1453885245-15562-1-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-01-27 10:00:45 +01:00
# Sanity check that the current size_t matches the
# size that glib thinks it should be. This catches
# problems on multi-arch where people try to build
# 32-bit QEMU while pointing at 64-bit glib headers
cat > $TMPC <<EOF
#include <glib.h>
#include <unistd.h>
#define QEMU_BUILD_BUG_ON(x) \
typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
int main(void) {
QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
return 0;
}
EOF
if ! compile_prog "$glib_cflags" "$glib_libs" ; then
configure: sanity check the glib library that pkg-config finds Developers on 64-bit machines will often try to perform a 32-bit build of QEMU by running ./configure --extra-cflags="-m32" Unfortunately if PKG_CONFIG_LIBDIR is not set to point to the location of the 32-bit pkg-config files, then configure will silently pick up the 64-bit pkg-config files and still succeed. This causes a problem for glib because it means QEMU will be pulling in /usr/lib64/glib-2.0/include/glibconfig.h instead of /usr/lib/glib-2.0/include/glibconfig.h This causes problems because the 'gsize' type (defined as 'unsigned long') will no longer be fully compatible with the 'size_t' type (defined as 'unsigned int'). Although both are the same size, the compiler refuses to allow casts from 'unsigned long *' to 'unsigned int *' as they are different pointer types. This results in non-obvious compiler errors when building QEMU eg qga/commands-posix.c: In function ‘qmp_guest_set_user_password’: qga/commands-posix.c:1912:55: error: passing argument 2 of ‘g_base64_decode’ from incompatible pointer type [-Werror=incompatible-pointer-types] rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen); ^ In file included from /usr/include/glib-2.0/glib.h:35:0, from qga/commands-posix.c:14: /usr/include/glib-2.0/glib/gbase64.h:52:9: note: expected ‘gsize * {aka long unsigned int *}’ but argument is of type ‘size_t * {aka unsigned int *}’ guchar *g_base64_decode (const gchar *text, ^ cc1: all warnings being treated as errors To detect this problem, add a check to configure that verifies that GLIB_SIZEOF_SIZE_T matches sizeof(size_t). If this fails print a warning suggesting that the dev probably needs to set PKG_CONFIG_LIBDIR. On Fedora x86_64 it passes with any of: # ./configure # PKG_CONFIG_LIBDIR=/usr/lib/pkgconfig ./configure --extra-cflags="-m32" # PKG_CONFIG_LIBDIR=/usr/lib64/pkgconfig ./configure --extra-cflags="-m64" And fails with a mis-match # PKG_CONFIG_LIBDIR=/usr/lib64/pkgconfig ./configure --extra-cflags="-m32" # PKG_CONFIG_LIBDIR=/usr/lib/pkgconfig ./configure --extra-cflags="-m64" ERROR: sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. You probably need to set PKG_CONFIG_LIBDIR to point to the right pkg-config files for your build target Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1453885245-15562-1-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-01-27 10:00:45 +01:00
error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
"You probably need to set PKG_CONFIG_LIBDIR"\
"to point to the right pkg-config files for your"\
"build target"
fi
# Silence clang warnings triggered by glib < 2.57.2
cat > $TMPC << EOF
#include <glib.h>
typedef struct Foo {
int i;
} Foo;
static void foo_free(Foo *f)
{
g_free(f);
}
G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
int main(void) { return 0; }
EOF
if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
if cc_has_warning_flag "-Wno-unused-function"; then
glib_cflags="$glib_cflags -Wno-unused-function"
CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
fi
fi
##########################################
# fdt probe
case "$fdt" in
auto | enabled | internal)
# Simpler to always update submodule, even if not needed.
git_submodules="${git_submodules} dtc"
;;
esac
##########################################
# check and set a backend for coroutine
# We prefer ucontext, but it's not always possible. The fallback
# is sigcontext. On Windows the only valid backend is the Windows
# specific one.
ucontext_works=no
if test "$darwin" != "yes"; then
cat > $TMPC << EOF
#include <ucontext.h>
#ifdef __stub_makecontext
#error Ignoring glibc stub makecontext which will always fail
#endif
int main(void) { makecontext(0, 0, 0); return 0; }
EOF
if compile_prog "" "" ; then
ucontext_works=yes
fi
fi
if test "$coroutine" = ""; then
if test "$mingw32" = "yes"; then
coroutine=win32
elif test "$ucontext_works" = "yes"; then
coroutine=ucontext
else
coroutine=sigaltstack
fi
else
case $coroutine in
windows)
if test "$mingw32" != "yes"; then
error_exit "'windows' coroutine backend only valid for Windows"
fi
# Unfortunately the user visible backend name doesn't match the
# coroutine-*.c filename for this case, so we have to adjust it here.
coroutine=win32
;;
ucontext)
if test "$ucontext_works" != "yes"; then
feature_not_found "ucontext"
fi
;;
sigaltstack)
if test "$mingw32" = "yes"; then
error_exit "only the 'windows' coroutine backend is valid for Windows"
fi
;;
*)
error_exit "unknown coroutine backend $coroutine"
;;
esac
fi
##################################################
# SafeStack
if test "$safe_stack" = "yes"; then
cat > $TMPC << EOF
int main(int argc, char *argv[])
{
#if ! __has_feature(safe_stack)
#error SafeStack Disabled
#endif
return 0;
}
EOF
flag="-fsanitize=safe-stack"
# Check that safe-stack is supported and enabled.
if compile_prog "-Werror $flag" "$flag"; then
# Flag needed both at compilation and at linking
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
else
error_exit "SafeStack not supported by your compiler"
fi
if test "$coroutine" != "ucontext"; then
error_exit "SafeStack is only supported by the coroutine backend ucontext"
fi
else
cat > $TMPC << EOF
int main(int argc, char *argv[])
{
#if defined(__has_feature)
#if __has_feature(safe_stack)
#error SafeStack Enabled
#endif
#endif
return 0;
}
EOF
if test "$safe_stack" = "no"; then
# Make sure that safe-stack is disabled
if ! compile_prog "-Werror" ""; then
# SafeStack was already enabled, try to explicitly remove the feature
flag="-fno-sanitize=safe-stack"
if ! compile_prog "-Werror $flag" "$flag"; then
error_exit "Configure cannot disable SafeStack"
fi
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
fi
else # "$safe_stack" = ""
# Set safe_stack to yes or no based on pre-existing flags
if compile_prog "-Werror" ""; then
safe_stack="no"
else
safe_stack="yes"
if test "$coroutine" != "ucontext"; then
error_exit "SafeStack is only supported by the coroutine backend ucontext"
fi
fi
fi
fi
########################################
# check if ccache is interfering with
# semantic analysis of macros
unset CCACHE_CPP2
ccache_cpp2=no
cat > $TMPC << EOF
static const int Z = 1;
#define fn() ({ Z; })
#define TAUT(X) ((X) == Z)
#define PAREN(X, Y) (X == Y)
#define ID(X) (X)
int main(int argc, char *argv[])
{
int x = 0, y = 0;
x = ID(x);
x = fn();
fn();
if (PAREN(x, y)) return 0;
if (TAUT(Z)) return 0;
return 0;
}
EOF
if ! compile_object "-Werror"; then
ccache_cpp2=yes
fi
#################################################
# clang does not support glibc + FORTIFY_SOURCE.
if test "$fortify_source" != "no"; then
if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
fortify_source="no";
elif test -n "$cxx" && has $cxx &&
echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
fortify_source="no";
else
fortify_source="yes"
fi
fi
##########################################
# checks for sanitizers
have_asan=no
have_ubsan=no
have_asan_iface_h=no
have_asan_iface_fiber=no
if test "$sanitizers" = "yes" ; then
write_c_skeleton
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
have_asan=yes
fi
# we could use a simple skeleton for flags checks, but this also
# detect the static linking issue of ubsan, see also:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
cat > $TMPC << EOF
#include <stdlib.h>
int main(void) {
void *tmp = malloc(10);
if (tmp != NULL) {
return *(int *)(tmp + 2);
}
return 1;
}
EOF
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
have_ubsan=yes
fi
if check_include "sanitizer/asan_interface.h" ; then
have_asan_iface_h=yes
fi
cat > $TMPC << EOF
#include <sanitizer/asan_interface.h>
int main(void) {
__sanitizer_start_switch_fiber(0, 0, 0);
return 0;
}
EOF
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
have_asan_iface_fiber=yes
fi
fi
# Thread sanitizer is, for now, much noisier than the other sanitizers;
# keep it separate until that is not the case.
if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
error_exit "TSAN is not supported with other sanitiziers."
fi
have_tsan=no
have_tsan_iface_fiber=no
if test "$tsan" = "yes" ; then
write_c_skeleton
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
have_tsan=yes
fi
cat > $TMPC << EOF
#include <sanitizer/tsan_interface.h>
int main(void) {
__tsan_create_fiber(0);
return 0;
}
EOF
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
have_tsan_iface_fiber=yes
fi
fi
##########################################
# check for slirp
case "$slirp" in
auto | enabled | internal)
# Simpler to always update submodule, even if not needed.
git_submodules="${git_submodules} slirp"
;;
esac
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
##########################################
# functions to probe cross compilers
container="no"
if test $use_containers = "yes"; then
if has "docker" || has "podman"; then
container=$($python $source_path/tests/docker/docker.py probe)
fi
fi
# cross compilers defaults, can be overridden with --cross-cc-ARCH
: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
: ${cross_prefix_alpha="alpha-linux-gnu-"}
: ${cross_prefix_arm="arm-linux-gnueabihf-"}
: ${cross_prefix_armeb="$cross_prefix_arm"}
: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
: ${cross_prefix_hppa="hppa-linux-gnu-"}
: ${cross_prefix_i386="i686-linux-gnu-"}
: ${cross_prefix_m68k="m68k-linux-gnu-"}
: ${cross_prefix_microblaze="microblaze-linux-musl-"}
: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
: ${cross_prefix_mips="mips-linux-gnu-"}
: ${cross_prefix_nios2="nios2-linux-gnu-"}
: ${cross_prefix_ppc="powerpc-linux-gnu-"}
: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
: ${cross_prefix_s390x="s390x-linux-gnu-"}
: ${cross_prefix_sh4="sh4-linux-gnu-"}
: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
: ${cross_prefix_sparc="$cross_prefix_sparc64"}
: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
: ${cross_cc_armeb="$cross_cc_arm"}
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
: ${cross_cc_cflags_armeb="-mbig-endian"}
: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
: ${cross_cc_cflags_i386="-m32"}
: ${cross_cc_cflags_ppc="-m32"}
: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
: ${cross_cc_ppc64le="$cross_cc_ppc64"}
: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
: ${cross_cc_sparc="$cross_cc_sparc64"}
: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
: ${cross_cc_cflags_x86_64="-m64"}
compute_target_variable() {
if eval test -n "\"\${cross_prefix_$1}\""; then
if eval has "\"\${cross_prefix_$1}\$3\""; then
eval "$2=\"\${cross_prefix_$1}\$3\""
fi
fi
}
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
probe_target_compiler() {
# reset all output variables
container_image=
container_hosts=
container_cross_cc=
container_cross_ar=
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
container_cross_as=
container_cross_ld=
container_cross_nm=
container_cross_objcopy=
container_cross_ranlib=
container_cross_strip=
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
target_cc=
target_ar=
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
target_as=
target_ld=
target_nm=
target_objcopy=
target_ranlib=
target_strip=
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
case $1 in
aarch64) container_hosts="x86_64 aarch64" ;;
alpha) container_hosts=x86_64 ;;
arm) container_hosts="x86_64 aarch64" ;;
cris) container_hosts=x86_64 ;;
hexagon) container_hosts=x86_64 ;;
hppa) container_hosts=x86_64 ;;
i386) container_hosts=x86_64 ;;
m68k) container_hosts=x86_64 ;;
microblaze) container_hosts=x86_64 ;;
mips64el) container_hosts=x86_64 ;;
mips64) container_hosts=x86_64 ;;
mipsel) container_hosts=x86_64 ;;
mips) container_hosts=x86_64 ;;
nios2) container_hosts=x86_64 ;;
ppc) container_hosts=x86_64 ;;
ppc64|ppc64le) container_hosts=x86_64 ;;
riscv64) container_hosts=x86_64 ;;
s390x) container_hosts=x86_64 ;;
sh4) container_hosts=x86_64 ;;
sparc64) container_hosts=x86_64 ;;
tricore) container_hosts=x86_64 ;;
x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
xtensa*) container_hosts=x86_64 ;;
esac
for host in $container_hosts; do
test "$container" != no || continue
test "$host" = "$cpu" || continue
case $1 in
aarch64)
# We don't have any bigendian build tools so we only use this for AArch64
container_image=debian-arm64-cross
container_cross_prefix=aarch64-linux-gnu-
container_cross_cc=${container_cross_prefix}gcc-10
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
alpha)
container_image=debian-alpha-cross
container_cross_prefix=alpha-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
arm)
# We don't have any bigendian build tools so we only use this for ARM
container_image=debian-armhf-cross
container_cross_prefix=arm-linux-gnueabihf-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
cris)
container_image=fedora-cris-cross
container_cross_prefix=cris-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
hexagon)
container_image=debian-hexagon-cross
container_cross_prefix=hexagon-unknown-linux-musl-
container_cross_cc=${container_cross_prefix}clang
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
hppa)
container_image=debian-hppa-cross
container_cross_prefix=hppa-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
i386)
container_image=fedora-i386-cross
container_cross_prefix=
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
m68k)
container_image=debian-m68k-cross
container_cross_prefix=m68k-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
microblaze)
container_image=debian-microblaze-cross
container_cross_prefix=microblaze-linux-musl-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
mips64el)
container_image=debian-mips64el-cross
container_cross_prefix=mips64el-linux-gnuabi64-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
mips64)
container_image=debian-mips64-cross
container_cross_prefix=mips64-linux-gnuabi64-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
mipsel)
container_image=debian-mipsel-cross
container_cross_prefix=mipsel-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
mips)
container_image=debian-mips-cross
container_cross_prefix=mips-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
nios2)
container_image=debian-nios2-cross
container_cross_prefix=nios2-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
ppc)
container_image=debian-powerpc-test-cross
container_cross_prefix=powerpc-linux-gnu-
container_cross_cc=${container_cross_prefix}gcc-10
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
ppc64|ppc64le)
container_image=debian-powerpc-test-cross
container_cross_prefix=powerpc${1#ppc}-linux-gnu-
container_cross_cc=${container_cross_prefix}gcc-10
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
riscv64)
container_image=debian-riscv64-test-cross
container_cross_prefix=riscv64-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
s390x)
container_image=debian-s390x-cross
container_cross_prefix=s390x-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
sh4)
container_image=debian-sh4-cross
container_cross_prefix=sh4-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
sparc64)
container_image=debian-sparc64-cross
container_cross_prefix=sparc64-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
tricore)
container_image=debian-tricore-cross
container_cross_prefix=tricore-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
container_cross_as=tricore-as
container_cross_ld=tricore-ld
break
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
x86_64)
container_image=debian-amd64-cross
container_cross_prefix=x86_64-linux-gnu-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
xtensa*)
container_hosts=x86_64
container_image=debian-xtensa-cross
# default to the dc232b cpu
container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
;;
esac
: ${container_cross_cc:=${container_cross_prefix}gcc}
: ${container_cross_ar:=${container_cross_prefix}ar}
: ${container_cross_as:=${container_cross_prefix}as}
: ${container_cross_ld:=${container_cross_prefix}ld}
: ${container_cross_nm:=${container_cross_prefix}nm}
: ${container_cross_objcopy:=${container_cross_prefix}objcopy}
: ${container_cross_ranlib:=${container_cross_prefix}ranlib}
: ${container_cross_strip:=${container_cross_prefix}strip}
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
done
eval "target_cflags=\${cross_cc_cflags_$1}"
if eval test -n "\"\${cross_cc_$1}\""; then
if eval has "\"\${cross_cc_$1}\""; then
eval "target_cc=\"\${cross_cc_$1}\""
fi
else
compute_target_variable $1 target_cc gcc
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
fi
target_ccas=$target_cc
compute_target_variable $1 target_ar ar
compute_target_variable $1 target_as as
compute_target_variable $1 target_ld ld
compute_target_variable $1 target_nm nm
compute_target_variable $1 target_objcopy objcopy
compute_target_variable $1 target_ranlib ranlib
compute_target_variable $1 target_strip strip
if test "$1" = $cpu; then
: ${target_cc:=$cc}
: ${target_ccas:=$ccas}
: ${target_as:=$as}
: ${target_ld:=$ld}
: ${target_ar:=$ar}
: ${target_as:=$as}
: ${target_ld:=$ld}
: ${target_nm:=$nm}
: ${target_objcopy:=$objcopy}
: ${target_ranlib:=$ranlib}
: ${target_strip:=$strip}
fi
if test -n "$target_cc"; then
case $1 in
i386|x86_64)
if $target_cc --version | grep -qi "clang"; then
unset target_cc
fi
;;
esac
fi
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
}
probe_target_compilers() {
for i; do
probe_target_compiler $i
test -n "$target_cc" && return 0
done
}
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
write_target_makefile() {
if test -n "$target_cc"; then
echo "CC=$target_cc"
echo "CCAS=$target_ccas"
fi
if test -n "$target_ar"; then
echo "AR=$target_ar"
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
fi
if test -n "$target_as"; then
echo "AS=$target_as"
fi
if test -n "$target_ld"; then
echo "LD=$target_ld"
fi
if test -n "$target_nm"; then
echo "NM=$target_nm"
fi
if test -n "$target_objcopy"; then
echo "OBJCOPY=$target_objcopy"
fi
if test -n "$target_ranlib"; then
echo "RANLIB=$target_ranlib"
fi
if test -n "$target_strip"; then
echo "STRIP=$target_strip"
fi
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
}
write_container_target_makefile() {
if test -n "$container_cross_cc"; then
echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
fi
echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
}
##########################################
# check for vfio_user_server
case "$vfio_user_server" in
enabled )
if test "$git_submodules_action" != "ignore"; then
git_submodules="${git_submodules} subprojects/libvfio-user"
fi
;;
esac
##########################################
# End of CC checks
# After here, no more $cc or $ld runs
write_c_skeleton
if test "$fortify_source" = "yes" ; then
QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
fi
case "$ARCH" in
alpha)
# Ensure there's only a single GP
QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
;;
esac
if test "$have_asan" = "yes"; then
QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
if test "$have_asan_iface_h" = "no" ; then
echo "ASAN build enabled, but ASAN header missing." \
"Without code annotation, the report may be inferior."
elif test "$have_asan_iface_fiber" = "no" ; then
echo "ASAN build enabled, but ASAN header is too old." \
"Without code annotation, the report may be inferior."
fi
fi
if test "$have_tsan" = "yes" ; then
if test "$have_tsan_iface_fiber" = "yes" ; then
QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
else
error_exit "Cannot enable TSAN due to missing fiber annotation interface."
fi
elif test "$tsan" = "yes" ; then
error_exit "Cannot enable TSAN due to missing sanitize thread interface."
fi
if test "$have_ubsan" = "yes"; then
QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
fi
##########################################
# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
if test "$solaris" = "no" && test "$tsan" = "no"; then
if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
fi
fi
# Guest agent Windows MSI package
if test "$QEMU_GA_MANUFACTURER" = ""; then
QEMU_GA_MANUFACTURER=QEMU
fi
if test "$QEMU_GA_DISTRO" = ""; then
QEMU_GA_DISTRO=Linux
fi
if test "$QEMU_GA_VERSION" = ""; then
QEMU_GA_VERSION=$(cat $source_path/VERSION)
fi
#######################################
# cross-compiled firmware targets
# Set up build tree symlinks that point back into the source tree
# (these can be both files and directories).
# Caution: avoid adding files or directories here using wildcards. This
# will result in problems later if a new file matching the wildcard is
# added to the source tree -- nothing will cause configure to be rerun
# so the build tree will be missing the link back to the new file, and
# tests might fail. Prefer to keep the relevant files in their own
# directory and symlink the directory instead.
LINKS="Makefile"
LINKS="$LINKS tests/tcg/Makefile.target"
LINKS="$LINKS pc-bios/optionrom/Makefile"
LINKS="$LINKS pc-bios/s390-ccw/Makefile"
LINKS="$LINKS pc-bios/vof/Makefile"
LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
LINKS="$LINKS tests/avocado tests/data"
LINKS="$LINKS tests/qemu-iotests/check"
LINKS="$LINKS python"
LINKS="$LINKS contrib/plugins/Makefile "
for f in $LINKS ; do
if [ -e "$source_path/$f" ]; then
mkdir -p `dirname ./$f`
symlink "$source_path/$f" "$f"
fi
done
# Mac OS X ships with a broken assembler
roms=
probe_target_compilers i386 x86_64
if test -n "$target_cc" &&
test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
test "$targetos" != "haiku" && test "$softmmu" = yes ; then
# Different host OS linkers have different ideas about the name of the ELF
# emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
# variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
ld_i386_emulation="$emu"
break
fi
done
if test -n "$ld_i386_emulation"; then
roms="pc-bios/optionrom"
config_mak=pc-bios/optionrom/config.mak
echo "# Automatically generated by configure - do not modify" > $config_mak
echo "TOPSRC_DIR=$source_path" >> $config_mak
echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak
write_target_makefile >> $config_mak
fi
fi
probe_target_compilers ppc ppc64
if test -n "$target_cc" && test "$softmmu" = yes; then
roms="$roms pc-bios/vof"
config_mak=pc-bios/vof/config.mak
echo "# Automatically generated by configure - do not modify" > $config_mak
echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
write_target_makefile >> $config_mak
fi
# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
# (which is the lowest architecture level that Clang supports)
probe_target_compiler s390x
if test -n "$target_cc" && test "$softmmu" = yes; then
write_c_skeleton
do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
has_z900=$?
if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
if [ $has_z900 != 0 ]; then
echo "WARNING: Your compiler does not support the z900!"
echo " The s390-ccw bios will only work with guest CPUs >= z10."
fi
roms="$roms pc-bios/s390-ccw"
config_mak=pc-bios/s390-ccw/config-host.mak
echo "# Automatically generated by configure - do not modify" > $config_mak
echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
write_target_makefile >> $config_mak
# SLOF is required for building the s390-ccw firmware on s390x,
# since it is using the libnet code from SLOF for network booting.
git_submodules="${git_submodules} roms/SLOF"
fi
fi
#######################################
# generate config-host.mak
# Check that the C++ compiler exists and works with the C compiler.
# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
if has $cxx; then
cat > $TMPC <<EOF
int c_function(void);
int main(void) { return c_function(); }
EOF
compile_object
cat > $TMPCXX <<EOF
extern "C" {
int c_function(void);
}
int c_function(void) { return 42; }
EOF
update_cxxflags
if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
# C++ compiler $cxx works ok with C compiler $cc
:
else
echo "C++ compiler $cxx does not work with C compiler $cc"
echo "Disabling C++ specific optional code"
cxx=
fi
else
echo "No C++ compiler available; disabling C++ specific optional code"
cxx=
fi
if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
exit 1
fi
config_host_mak="config-host.mak"
echo "# Automatically generated by configure - do not modify" > $config_host_mak
echo >> $config_host_mak
echo all: >> $config_host_mak
echo "GIT=$git" >> $config_host_mak
echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
if test "$debug_tcg" = "yes" ; then
echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
fi
if test "$mingw32" = "yes" ; then
echo "CONFIG_WIN32=y" >> $config_host_mak
echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
else
echo "CONFIG_POSIX=y" >> $config_host_mak
fi
if test "$linux" = "yes" ; then
echo "CONFIG_LINUX=y" >> $config_host_mak
fi
if test "$darwin" = "yes" ; then
echo "CONFIG_DARWIN=y" >> $config_host_mak
fi
if test "$solaris" = "yes" ; then
echo "CONFIG_SOLARIS=y" >> $config_host_mak
fi
if test "$static" = "yes" ; then
echo "CONFIG_STATIC=y" >> $config_host_mak
fi
echo "SRC_PATH=$source_path" >> $config_host_mak
echo "TARGET_DIRS=$target_list" >> $config_host_mak
if test "$modules" = "yes"; then
echo "CONFIG_MODULES=y" >> $config_host_mak
fi
# XXX: suppress that
if [ "$bsd" = "yes" ] ; then
echo "CONFIG_BSD=y" >> $config_host_mak
fi
echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
if test "$have_asan_iface_fiber" = "yes" ; then
echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
fi
if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
echo "CONFIG_TSAN=y" >> $config_host_mak
fi
if test "$plugins" = "yes" ; then
echo "CONFIG_PLUGIN=y" >> $config_host_mak
fi
if test -n "$gdb_bin"; then
gdb_version=$($gdb_bin --version | head -n 1)
if version_ge ${gdb_version##* } 9.1; then
echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
fi
fi
echo "ROMS=$roms" >> $config_host_mak
echo "MAKE=$make" >> $config_host_mak
echo "PYTHON=$python" >> $config_host_mak
echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
echo "MESON=$meson" >> $config_host_mak
echo "NINJA=$ninja" >> $config_host_mak
echo "CC=$cc" >> $config_host_mak
echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
configure: Really use local libfdt if the system one is too old QEMU requires libfdt version >= 1.4.2. If the host has an older libfdt installed, the configure script will use a (git cloned) local version. Example with Debian 8: $ dpkg-query --showformat='${Version}\n' --show libfdt-dev 1.4.0+dfsg-1 $ ./configure [...] fdt support yes # from git submodule 'dtc' If this case occurs, the linker will have 2 different libfdt available in the library search path. The default behavior is to search the system path first, then the local path. Even if the configure script noticed the libfdt is too old and clone a more recent locally, when linking the system library is selected first, and the link process eventually fails: LINK mips64el-softmmu/qemu-system-mips64el ../hw/core/loader-fit.o: In function `load_fit': /root/src/github.com/philmd/qemu/hw/core/loader-fit.c:278: undefined reference to `fdt_first_subnode' /root/src/github.com/philmd/qemu/hw/core/loader-fit.c:286: undefined reference to `fdt_next_subnode' /root/src/github.com/philmd/qemu/hw/core/loader-fit.c:277: undefined reference to `fdt_first_subnode' collect2: error: ld returned 1 exit status Makefile:201: recipe for target 'qemu-system-mips64el' failed make[1]: *** [qemu-system-mips64el] Error 1 QEMU already uses a kludge to enforce local CFLAGS before system ones for libpixman and libfdt, add a similar kludge for the LDFLAGS to enforce using the local libfdt. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180415230522.24404-2-f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com>
2018-04-16 01:05:19 +02:00
echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
echo "EXESUF=$EXESUF" >> $config_host_mak
# use included Linux headers
if test "$linux" = "yes" ; then
mkdir -p linux-headers
case "$cpu" in
i386|x86_64)
linux_arch=x86
;;
ppc|ppc64)
linux_arch=powerpc
;;
s390x)
linux_arch=s390
;;
aarch64)
linux_arch=arm64
;;
loongarch*)
linux_arch=loongarch
;;
mips64)
linux_arch=mips
;;
*)
# For most CPUs the kernel architecture name and QEMU CPU name match.
linux_arch="$cpu"
;;
esac
# For non-KVM architectures we will not have asm headers
if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
fi
fi
for target in $target_list; do
target_dir="$target"
target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
mkdir -p $target_dir
case $target in
*-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
*) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
esac
done
if test "$default_targets" = "yes"; then
echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
fi
if test "$ccache_cpp2" = "yes"; then
echo "export CCACHE_CPP2=y" >> $config_host_mak
fi
if test "$safe_stack" = "yes"; then
echo "CONFIG_SAFESTACK=y" >> $config_host_mak
fi
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
# tests/tcg configuration
(makefile=tests/tcg/Makefile.prereqs
echo "# Automatically generated by configure - do not modify" > $makefile
config_host_mak=tests/tcg/config-host.mak
echo "# Automatically generated by configure - do not modify" > $config_host_mak
echo "SRC_PATH=$source_path" >> $config_host_mak
echo "HOST_CC=$host_cc" >> $config_host_mak
tcg_tests_targets=
for target in $target_list; do
arch=${target%%-*}
probe_target_compiler ${arch}
config_target_mak=tests/tcg/config-$target.mak
echo "# Automatically generated by configure - do not modify" > $config_target_mak
echo "TARGET_NAME=$arch" >> $config_target_mak
case $target in
xtensa*-linux-user)
# the toolchain is not complete with headers, only build softmmu tests
continue
;;
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
*-softmmu)
test -f $source_path/tests/tcg/$arch/Makefile.softmmu-target || continue
qemu="qemu-system-$arch"
;;
*-linux-user|*-bsd-user)
qemu="qemu-$arch"
;;
esac
got_cross_cc=no
unset build_static
if test -n "$target_cc"; then
write_c_skeleton
if ! do_compiler "$target_cc" $target_cflags \
-o $TMPE $TMPC -static ; then
# For host systems we might get away with building without -static
if do_compiler "$target_cc" $target_cflags \
-o $TMPE $TMPC ; then
got_cross_cc=yes
fi
else
got_cross_cc=yes
build_static=y
fi
elif test -n "$target_as" && test -n "$target_ld"; then
# Special handling for assembler only tests
case $target in
tricore-softmmu) got_cross_cc=yes ;;
esac
fi
if test $got_cross_cc = yes; then
# Test for compiler features for optional tests. We only do this
# for cross compilers because ensuring the docker containers based
# compilers is a requirememt for adding a new test that needs a
# compiler feature.
echo "BUILD_STATIC=$build_static" >> $config_target_mak
write_target_makefile >> $config_target_mak
case $target in
aarch64-*)
if do_compiler "$target_cc" $target_cflags \
-march=armv8.1-a+sve -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak
fi
if do_compiler "$target_cc" $target_cflags \
-march=armv8.1-a+sve2 -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak
fi
if do_compiler "$target_cc" $target_cflags \
-march=armv8.3-a -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak
fi
if do_compiler "$target_cc" $target_cflags \
-mbranch-protection=standard -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak
fi
if do_compiler "$target_cc" $target_cflags \
-march=armv8.5-a+memtag -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak
fi
;;
ppc*)
if do_compiler "$target_cc" $target_cflags \
-mpower8-vector -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak
fi
if do_compiler "$target_cc" $target_cflags \
-mpower10 -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak
fi
;;
i386-linux-user)
if do_compiler "$target_cc" $target_cflags \
-Werror -fno-pie -o $TMPE $TMPC; then
echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak
fi
;;
esac
elif test -n "$container_image"; then
echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile
echo "BUILD_STATIC=y" >> $config_target_mak
write_container_target_makefile >> $config_target_mak
case $target in
aarch64-*)
echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak
echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak
echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak
echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak
echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak
;;
ppc*)
echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak
echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak
;;
i386-linux-user)
echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak
;;
esac
got_cross_cc=yes
fi
if test $got_cross_cc = yes; then
mkdir -p tests/tcg/$target
echo "QEMU=$PWD/$qemu" >> $config_target_mak
echo "EXTRA_CFLAGS=$target_cflags" >> $config_target_mak
echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile
tcg_tests_targets="$tcg_tests_targets $target"
fi
done
tests/tcg: merge configure.sh back into main configure script tests/tcg/configure.sh has a complicated story. In the beginning its code ran as part of the creation of config-target.mak files, and that is where it placed the information on the target compiler. However, probing for the buildability of TCG tests required multiple inclusions of config-target.mak in the _main_ Makefile (not in Makefile.target, which took care of building the QEMU executables in the pre-Meson era), which polluted the namespace. Thus, it was moved to a separate directory. It created small config-*.mak files in $(BUILD_DIR)/tests/tcg. Those were also included multiple times, but at least they were small and manageable; this was also an important step in disentangling the TCG tests from Makefile.target. Since then, Meson has allowed the configure script to go on a diet. A few compilation tests survive (mostly for sanitizers) but these days it mostly takes care of command line parsing, looking for tools, and setting up the environment for Meson to do its stuff. It's time to extend configure with the capability to build for more than just one target: not just tests, but also firmware. As a first step, integrate all the logic to find cross compilers in the configure script, and move tests/tcg/configure.sh back there (though as a separate loop, not integrated in the one that generates target configurations for Meson). tests/tcg is actually very close to being buildable as a standalone project, so I actually expect the compiler tests to move back to tests/tcg, as a "configure" script of sorts which would run at Make time after the docker images are built. The GCC tree has a similar idea of doing only bare-bones tree-wide configuration and leaving the rest for Make time. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517092616.1272238-8-pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220527153603.887929-19-alex.bennee@linaro.org>
2022-05-27 17:35:48 +02:00
echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile)
if test "$skip_meson" = no; then
cross="config-meson.cross.new"
meson_quote() {
test $# = 0 && return
echo "'$(echo $* | sed "s/ /','/g")'"
}
echo "# Automatically generated by configure - do not modify" > $cross
echo "[properties]" >> $cross
# unroll any custom device configs
for a in $device_archs; do
eval "c=\$devices_${a}"
echo "${a}-softmmu = '$c'" >> $cross
done
test -z "$cxx" && echo "link_language = 'c'" >> $cross
echo "[built-in options]" >> $cross
echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
echo "[binaries]" >> $cross
echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
echo "ar = [$(meson_quote $ar)]" >> $cross
echo "nm = [$(meson_quote $nm)]" >> $cross
echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
if has $sdl2_config; then
echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
fi
echo "strip = [$(meson_quote $strip)]" >> $cross
echo "widl = [$(meson_quote $widl)]" >> $cross
echo "windres = [$(meson_quote $windres)]" >> $cross
if test "$cross_compile" = "yes"; then
cross_arg="--cross-file config-meson.cross"
echo "[host_machine]" >> $cross
echo "system = '$targetos'" >> $cross
case "$cpu" in
i386)
echo "cpu_family = 'x86'" >> $cross
;;
*)
echo "cpu_family = '$cpu'" >> $cross
;;
esac
echo "cpu = '$cpu'" >> $cross
if test "$bigendian" = "yes" ; then
echo "endian = 'big'" >> $cross
else
echo "endian = 'little'" >> $cross
fi
else
cross_arg="--native-file config-meson.cross"
fi
mv $cross config-meson.cross
rm -rf meson-private meson-info meson-logs
# Built-in options
test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
test "$default_feature" = no && meson_option_add -Dauto_features=disabled
test "$pie" = no && meson_option_add -Db_pie=false
test "$werror" = yes && meson_option_add -Dwerror=true
# QEMU options
test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
test "$slirp" != auto && meson_option_add "-Dslirp=$slirp"
test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
run_meson() {
NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
}
eval run_meson $meson_options
if test "$?" -ne 0 ; then
error_exit "meson setup failed"
fi
else
if test -f meson-private/cmd_line.txt; then
# Adjust old command line options whose type was changed
# Avoids having to use "setup --wipe" when Meson is upgraded
perl -i -ne '
s/^gettext = true$/gettext = auto/;
s/^gettext = false$/gettext = disabled/;
/^b_staticpic/ && next;
print;' meson-private/cmd_line.txt
fi
fi
# Save the configure command line for later reuse.
cat <<EOD >config.status
#!/bin/sh
# Generated by configure.
# Run this file to recreate the current configuration.
# Compiler output produced by configure, useful for debugging
# configure, is in config.log if it exists.
EOD
configure: preserve various environment variables in config.status The config.status script is auto-generated by configure upon completion. The intention is that config.status can be later invoked by the developer directly, or by make indirectly, to re-detect the same environment that configure originally used. The current config.status script, however, only contains a record of the command line arguments to configure. Various environment variables have an effect on what configure will find. In particular PKG_CONFIG_LIBDIR & PKG_CONFIG_PATH vars will affect what libraries pkg-config finds. The PATH var will affect what toolchain binaries and XXXX-config scripts are found. The LD_LIBRARY_PATH var will affect what libraries are found. Most commands have env variables that will override the name/path of the default version configure finds. All these key env variables should be recorded in the config.status script. Autoconf would also preserve CFLAGS, LDFLAGS, LIBS, CPPFLAGS, but QEMU deals with those differently, expecting extra flags to be set using configure args, rather than env variables. At the end of the script we also don't have the original values of those env vars, as we modify them during configure. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180904123603.10016-1-berrange@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-09-04 14:36:03 +02:00
preserve_env() {
envname=$1
eval envval=\$$envname
if test -n "$envval"
then
echo "$envname='$envval'" >> config.status
echo "export $envname" >> config.status
else
echo "unset $envname" >> config.status
fi
}
# Preserve various env variables that influence what
# features/build target configure will detect
preserve_env AR
preserve_env AS
preserve_env CC
preserve_env CFLAGS
configure: preserve various environment variables in config.status The config.status script is auto-generated by configure upon completion. The intention is that config.status can be later invoked by the developer directly, or by make indirectly, to re-detect the same environment that configure originally used. The current config.status script, however, only contains a record of the command line arguments to configure. Various environment variables have an effect on what configure will find. In particular PKG_CONFIG_LIBDIR & PKG_CONFIG_PATH vars will affect what libraries pkg-config finds. The PATH var will affect what toolchain binaries and XXXX-config scripts are found. The LD_LIBRARY_PATH var will affect what libraries are found. Most commands have env variables that will override the name/path of the default version configure finds. All these key env variables should be recorded in the config.status script. Autoconf would also preserve CFLAGS, LDFLAGS, LIBS, CPPFLAGS, but QEMU deals with those differently, expecting extra flags to be set using configure args, rather than env variables. At the end of the script we also don't have the original values of those env vars, as we modify them during configure. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180904123603.10016-1-berrange@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-09-04 14:36:03 +02:00
preserve_env CXX
preserve_env CXXFLAGS
configure: preserve various environment variables in config.status The config.status script is auto-generated by configure upon completion. The intention is that config.status can be later invoked by the developer directly, or by make indirectly, to re-detect the same environment that configure originally used. The current config.status script, however, only contains a record of the command line arguments to configure. Various environment variables have an effect on what configure will find. In particular PKG_CONFIG_LIBDIR & PKG_CONFIG_PATH vars will affect what libraries pkg-config finds. The PATH var will affect what toolchain binaries and XXXX-config scripts are found. The LD_LIBRARY_PATH var will affect what libraries are found. Most commands have env variables that will override the name/path of the default version configure finds. All these key env variables should be recorded in the config.status script. Autoconf would also preserve CFLAGS, LDFLAGS, LIBS, CPPFLAGS, but QEMU deals with those differently, expecting extra flags to be set using configure args, rather than env variables. At the end of the script we also don't have the original values of those env vars, as we modify them during configure. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180904123603.10016-1-berrange@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-09-04 14:36:03 +02:00
preserve_env LD
preserve_env LDFLAGS
configure: preserve various environment variables in config.status The config.status script is auto-generated by configure upon completion. The intention is that config.status can be later invoked by the developer directly, or by make indirectly, to re-detect the same environment that configure originally used. The current config.status script, however, only contains a record of the command line arguments to configure. Various environment variables have an effect on what configure will find. In particular PKG_CONFIG_LIBDIR & PKG_CONFIG_PATH vars will affect what libraries pkg-config finds. The PATH var will affect what toolchain binaries and XXXX-config scripts are found. The LD_LIBRARY_PATH var will affect what libraries are found. Most commands have env variables that will override the name/path of the default version configure finds. All these key env variables should be recorded in the config.status script. Autoconf would also preserve CFLAGS, LDFLAGS, LIBS, CPPFLAGS, but QEMU deals with those differently, expecting extra flags to be set using configure args, rather than env variables. At the end of the script we also don't have the original values of those env vars, as we modify them during configure. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180904123603.10016-1-berrange@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-09-04 14:36:03 +02:00
preserve_env LD_LIBRARY_PATH
preserve_env MAKE
preserve_env NM
preserve_env OBJCFLAGS
configure: preserve various environment variables in config.status The config.status script is auto-generated by configure upon completion. The intention is that config.status can be later invoked by the developer directly, or by make indirectly, to re-detect the same environment that configure originally used. The current config.status script, however, only contains a record of the command line arguments to configure. Various environment variables have an effect on what configure will find. In particular PKG_CONFIG_LIBDIR & PKG_CONFIG_PATH vars will affect what libraries pkg-config finds. The PATH var will affect what toolchain binaries and XXXX-config scripts are found. The LD_LIBRARY_PATH var will affect what libraries are found. Most commands have env variables that will override the name/path of the default version configure finds. All these key env variables should be recorded in the config.status script. Autoconf would also preserve CFLAGS, LDFLAGS, LIBS, CPPFLAGS, but QEMU deals with those differently, expecting extra flags to be set using configure args, rather than env variables. At the end of the script we also don't have the original values of those env vars, as we modify them during configure. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180904123603.10016-1-berrange@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-09-04 14:36:03 +02:00
preserve_env OBJCOPY
preserve_env PATH
preserve_env PKG_CONFIG
preserve_env PKG_CONFIG_LIBDIR
preserve_env PKG_CONFIG_PATH
preserve_env PYTHON
preserve_env SDL2_CONFIG
preserve_env SMBD
preserve_env STRIP
preserve_env WIDL
configure: preserve various environment variables in config.status The config.status script is auto-generated by configure upon completion. The intention is that config.status can be later invoked by the developer directly, or by make indirectly, to re-detect the same environment that configure originally used. The current config.status script, however, only contains a record of the command line arguments to configure. Various environment variables have an effect on what configure will find. In particular PKG_CONFIG_LIBDIR & PKG_CONFIG_PATH vars will affect what libraries pkg-config finds. The PATH var will affect what toolchain binaries and XXXX-config scripts are found. The LD_LIBRARY_PATH var will affect what libraries are found. Most commands have env variables that will override the name/path of the default version configure finds. All these key env variables should be recorded in the config.status script. Autoconf would also preserve CFLAGS, LDFLAGS, LIBS, CPPFLAGS, but QEMU deals with those differently, expecting extra flags to be set using configure args, rather than env variables. At the end of the script we also don't have the original values of those env vars, as we modify them during configure. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20180904123603.10016-1-berrange@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-09-04 14:36:03 +02:00
preserve_env WINDRES
printf "exec" >>config.status
for i in "$0" "$@"; do
test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
done
echo ' "$@"' >>config.status
chmod +x config.status
rm -r "$TMPDIR1"