416 lines
12 KiB
Plaintext
416 lines
12 KiB
Plaintext
# -*- Autoconf -*-
|
|
# Process this file with autoconf to produce a configure script.
|
|
|
|
AC_INIT(package-unused, version-unused, libsanitizer)
|
|
AC_CONFIG_SRCDIR([include/sanitizer/common_interface_defs.h])
|
|
|
|
AM_ENABLE_MULTILIB(, ..)
|
|
|
|
AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
|
|
AC_ARG_ENABLE(version-specific-runtime-libs,
|
|
[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
|
|
[case "$enableval" in
|
|
yes) version_specific_libs=yes ;;
|
|
no) version_specific_libs=no ;;
|
|
*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
|
|
esac],
|
|
[version_specific_libs=no])
|
|
AC_MSG_RESULT($version_specific_libs)
|
|
|
|
AC_USE_SYSTEM_EXTENSIONS
|
|
|
|
# Do not delete or change the following two lines. For why, see
|
|
# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
|
|
AC_CANONICAL_SYSTEM
|
|
target_alias=${target_alias-$host_alias}
|
|
AC_SUBST(target_alias)
|
|
GCC_LIBSTDCXX_RAW_CXX_FLAGS
|
|
|
|
AM_INIT_AUTOMAKE(foreign no-dist)
|
|
AM_MAINTAINER_MODE
|
|
|
|
GCC_WITH_TOOLEXECLIBDIR
|
|
|
|
# Calculate toolexeclibdir
|
|
# Also toolexecdir, though it's only used in toolexeclibdir
|
|
case ${version_specific_libs} in
|
|
yes)
|
|
# Need the gcc compiler version to know where to install libraries
|
|
# and header files if --enable-version-specific-runtime-libs option
|
|
# is selected.
|
|
toolexecdir='$(libdir)/gcc/$(target_alias)'
|
|
toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
|
|
;;
|
|
no)
|
|
if test -n "$with_cross_host" &&
|
|
test x"$with_cross_host" != x"no"; then
|
|
# Install a library built with a cross compiler in tooldir, not libdir.
|
|
toolexecdir='$(exec_prefix)/$(target_alias)'
|
|
case ${with_toolexeclibdir} in
|
|
no)
|
|
toolexeclibdir='$(toolexecdir)/lib'
|
|
;;
|
|
*)
|
|
toolexeclibdir=${with_toolexeclibdir}
|
|
;;
|
|
esac
|
|
else
|
|
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
|
|
toolexeclibdir='$(libdir)'
|
|
fi
|
|
multi_os_directory=`$CC -print-multi-os-directory`
|
|
case $multi_os_directory in
|
|
.) ;; # Avoid trailing /.
|
|
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
|
|
esac
|
|
;;
|
|
esac
|
|
AC_SUBST(toolexecdir)
|
|
AC_SUBST(toolexeclibdir)
|
|
|
|
# Checks for programs.
|
|
AC_PROG_CC
|
|
AC_PROG_CXX
|
|
AM_PROG_AS
|
|
AC_PROG_RANLIB
|
|
|
|
AC_LIBTOOL_DLOPEN
|
|
AM_PROG_LIBTOOL
|
|
|
|
AC_PROG_AWK
|
|
case "$AWK" in
|
|
"") AC_MSG_ERROR([can't build without awk]) ;;
|
|
esac
|
|
|
|
AC_SUBST(enable_shared)
|
|
AC_SUBST(enable_static)
|
|
|
|
AC_CHECK_SIZEOF([void *])
|
|
|
|
if test "${multilib}" = "yes"; then
|
|
multilib_arg="--enable-multilib"
|
|
else
|
|
multilib_arg=
|
|
fi
|
|
|
|
# Get target configury.
|
|
unset TSAN_SUPPORTED
|
|
unset LSAN_SUPPORTED
|
|
unset HWASAN_SUPPORTED
|
|
. ${srcdir}/configure.tgt
|
|
AM_CONDITIONAL(TSAN_SUPPORTED, [test "x$TSAN_SUPPORTED" = "xyes"])
|
|
AM_CONDITIONAL(LSAN_SUPPORTED, [test "x$LSAN_SUPPORTED" = "xyes"])
|
|
AM_CONDITIONAL(HWASAN_SUPPORTED, [test "x$HWASAN_SUPPORTED" = "xyes"])
|
|
|
|
# Check for functions needed.
|
|
AC_CHECK_FUNCS(clock_getres clock_gettime clock_settime lstat readlink)
|
|
|
|
# Common libraries that we need to link against for all sanitizer libs.
|
|
link_sanitizer_common='-lpthread -lm'
|
|
|
|
# At least for glibc, shm_open is in librt. But don't pull that
|
|
# in if it still doesn't give us the function we want. This
|
|
# test is copied from libgomp.
|
|
AC_CHECK_LIB(rt, shm_open,
|
|
[link_sanitizer_common="-lrt $link_sanitizer_common"])
|
|
|
|
# Do a configure time check for -ldl
|
|
AC_CHECK_LIB(dl, dlsym,
|
|
[link_sanitizer_common="-ldl $link_sanitizer_common"])
|
|
|
|
# Set up the set of additional libraries that we need to link against for libasan.
|
|
link_libasan=$link_sanitizer_common
|
|
AC_SUBST(link_libasan)
|
|
|
|
# Set up the set of additional libraries that we need to link against for libhwasan.
|
|
link_libhwasan=$link_sanitizer_common
|
|
AC_SUBST(link_libhwasan)
|
|
|
|
# Set up the set of additional libraries that we need to link against for libtsan.
|
|
link_libtsan=$link_sanitizer_common
|
|
AC_SUBST(link_libtsan)
|
|
|
|
# Set up the set of additional libraries that we need to link against for libubsan.
|
|
link_libubsan=$link_sanitizer_common
|
|
AC_SUBST(link_libubsan)
|
|
|
|
# Set up the set of additional libraries that we need to link against for liblsan.
|
|
link_liblsan=$link_sanitizer_common
|
|
AC_SUBST(link_liblsan)
|
|
|
|
|
|
# At least for glibc, clock_gettime is in librt. But don't pull that
|
|
# in if it still doesn't give us the function we want. This
|
|
# test is copied from libgomp.
|
|
AC_CHECK_LIB(rt, clock_gettime,
|
|
[link_libasan="-lrt $link_libasan"
|
|
link_libtsan="-lrt $link_libtsan"
|
|
# Other sanitizers do not override clock_* API
|
|
])
|
|
|
|
case "$host" in
|
|
*-*-darwin*) MAC_INTERPOSE=true ; enable_static=no ;;
|
|
*) MAC_INTERPOSE=false ;;
|
|
esac
|
|
AM_CONDITIONAL(USING_MAC_INTERPOSE, $MAC_INTERPOSE)
|
|
|
|
backtrace_supported=yes
|
|
|
|
AC_MSG_CHECKING([for necessary platform features])
|
|
case "$target" in
|
|
*-*-linux*)
|
|
# Some old Linux distributions miss required syscalls.
|
|
sanitizer_supported=no
|
|
AC_TRY_COMPILE([#include <sys/syscall.h>],[
|
|
syscall (__NR_gettid);
|
|
syscall (__NR_futex);
|
|
syscall (__NR_exit_group);
|
|
], [sanitizer_supported=yes])
|
|
;;
|
|
*)
|
|
sanitizer_supported=yes
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($sanitizer_supported)
|
|
AM_CONDITIONAL(SANITIZER_SUPPORTED, test "$sanitizer_supported" = yes)
|
|
|
|
# Test for __sync support.
|
|
AC_CACHE_CHECK([__sync extensions],
|
|
[libsanitizer_cv_sys_sync],
|
|
[if test -n "${with_target_subdir}"; then
|
|
libsanitizer_cv_sys_sync=yes
|
|
else
|
|
AC_LINK_IFELSE(
|
|
[AC_LANG_PROGRAM([int i;],
|
|
[__sync_bool_compare_and_swap (&i, i, i);
|
|
__sync_lock_test_and_set (&i, 1);
|
|
__sync_lock_release (&i);])],
|
|
[libsanitizer_cv_sys_sync=yes],
|
|
[libsanitizer_cv_sys_sync=no])
|
|
fi])
|
|
if test "$libsanitizer_cv_sys_sync" = "yes"; then
|
|
AC_DEFINE([HAVE_SYNC_FUNCTIONS], 1,
|
|
[Define to 1 if you have the __sync functions])
|
|
fi
|
|
|
|
# Test for __atomic support.
|
|
AC_CACHE_CHECK([__atomic extensions],
|
|
[libsanitizer_cv_sys_atomic],
|
|
[if test -n "${with_target_subdir}"; then
|
|
libsanitizer_cv_sys_atomic=yes
|
|
else
|
|
AC_LINK_IFELSE(
|
|
[AC_LANG_PROGRAM([int i;],
|
|
[__atomic_load_n (&i, __ATOMIC_ACQUIRE);
|
|
__atomic_store_n (&i, 1, __ATOMIC_RELEASE);])],
|
|
[libsanitizer_cv_sys_atomic=yes],
|
|
[libsanitizer_cv_sys_atomic=no])
|
|
fi])
|
|
if test "$libsanitizer_cv_sys_atomic" = "yes"; then
|
|
AC_DEFINE([HAVE_ATOMIC_FUNCTIONS], 1,
|
|
[Define to 1 if you have the __atomic functions])
|
|
fi
|
|
|
|
# The library needs to be able to read the executable itself. Compile
|
|
# a file to determine the executable format. The awk script
|
|
# filetype.awk prints out the file type.
|
|
AC_CACHE_CHECK([output filetype],
|
|
[libsanitizer_cv_sys_filetype],
|
|
[filetype=
|
|
AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM([int i;], [int j;])],
|
|
[filetype=`${AWK} -f $srcdir/../libbacktrace/filetype.awk conftest.$ac_objext`],
|
|
[AC_MSG_FAILURE([compiler failed])])
|
|
libsanitizer_cv_sys_filetype=$filetype])
|
|
|
|
# Match the file type to decide what files to compile.
|
|
FORMAT_FILE=
|
|
case "$libsanitizer_cv_sys_filetype" in
|
|
elf*) FORMAT_FILE="elf.lo" ;;
|
|
*) AC_MSG_WARN([could not determine output file type])
|
|
FORMAT_FILE="unknown.lo"
|
|
backtrace_supported=no
|
|
;;
|
|
esac
|
|
AC_SUBST(FORMAT_FILE)
|
|
|
|
# ELF defines.
|
|
elfsize=
|
|
case "$libsanitizer_cv_sys_filetype" in
|
|
elf32) elfsize=32 ;;
|
|
elf64) elfsize=64 ;;
|
|
esac
|
|
AC_DEFINE_UNQUOTED([BACKTRACE_ELF_SIZE], [$elfsize], [ELF size: 32 or 64])
|
|
|
|
BACKTRACE_SUPPORTED=0
|
|
if test "$backtrace_supported" = "yes"; then
|
|
BACKTRACE_SUPPORTED=1
|
|
fi
|
|
AC_SUBST(BACKTRACE_SUPPORTED)
|
|
|
|
GCC_HEADER_STDINT(gstdint.h)
|
|
|
|
AC_CHECK_HEADERS(sys/mman.h alloca.h)
|
|
if test "$ac_cv_header_sys_mman_h" = "no"; then
|
|
have_mmap=no
|
|
else
|
|
if test -n "${with_target_subdir}"; then
|
|
# When built as a GCC target library, we can't do a link test. We
|
|
# simply assume that if we have mman.h, we have mmap.
|
|
have_mmap=yes
|
|
else
|
|
AC_CHECK_FUNC(mmap, [have_mmap=yes], [have_mmap=no])
|
|
fi
|
|
fi
|
|
if test "$have_mmap" = "no"; then
|
|
VIEW_FILE=read.lo
|
|
ALLOC_FILE=alloc.lo
|
|
else
|
|
VIEW_FILE=mmapio.lo
|
|
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
|
|
#include <sys/mman.h>
|
|
#if !defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
|
|
#error no MAP_ANONYMOUS
|
|
#endif
|
|
])], [ALLOC_FILE=mmap.lo], [ALLOC_FILE=alloc.lo])
|
|
fi
|
|
AC_SUBST(VIEW_FILE)
|
|
AC_SUBST(ALLOC_FILE)
|
|
|
|
BACKTRACE_USES_MALLOC=0
|
|
if test "$ALLOC_FILE" = "alloc.lo"; then
|
|
BACKTRACE_USES_MALLOC=1
|
|
fi
|
|
AC_SUBST(BACKTRACE_USES_MALLOC)
|
|
|
|
# Don't care about thread support
|
|
BACKTRACE_SUPPORTS_THREADS=0
|
|
AC_SUBST(BACKTRACE_SUPPORTS_THREADS)
|
|
|
|
# Check for dl_iterate_phdr.
|
|
AC_CHECK_HEADERS(link.h)
|
|
if test "$ac_cv_header_link_h" = "no"; then
|
|
have_dl_iterate_phdr=no
|
|
else
|
|
# When built as a GCC target library, we can't do a link test.
|
|
AC_EGREP_HEADER([dl_iterate_phdr], [link.h], [have_dl_iterate_phdr=yes],
|
|
[have_dl_iterate_phdr=no])
|
|
fi
|
|
if test "$have_dl_iterate_phdr" = "yes"; then
|
|
AC_DEFINE(HAVE_DL_ITERATE_PHDR, 1, [Define if dl_iterate_phdr is available.])
|
|
fi
|
|
|
|
# Check for the fcntl function.
|
|
if test -n "${with_target_subdir}"; then
|
|
case "${host}" in
|
|
*-*-mingw*) have_fcntl=no ;;
|
|
*) have_fcntl=yes ;;
|
|
esac
|
|
else
|
|
AC_CHECK_FUNC(fcntl, [have_fcntl=yes], [have_fcntl=no])
|
|
fi
|
|
if test "$have_fcntl" = "yes"; then
|
|
AC_DEFINE([HAVE_FCNTL], 1,
|
|
[Define to 1 if you have the fcntl function])
|
|
fi
|
|
|
|
AC_CHECK_DECLS(strnlen)
|
|
|
|
# Check for getexecname function.
|
|
if test -n "${with_target_subdir}"; then
|
|
case "${host}" in
|
|
*-*-solaris2*) have_getexecname=yes ;;
|
|
*) have_getexecname=no ;;
|
|
esac
|
|
else
|
|
AC_CHECK_FUNC(getexecname, [have_getexecname=yes], [have_getexecname=no])
|
|
fi
|
|
if test "$have_getexecname" = "yes"; then
|
|
AC_DEFINE(HAVE_GETEXECNAME, 1, [Define if getexecname is available.])
|
|
fi
|
|
|
|
# Check for rpc/xdr.h
|
|
AC_CHECK_HEADERS(rpc/xdr.h)
|
|
if test x"$ac_cv_header_rpc_xdr_h" = xyes; then
|
|
rpc_defs="$rpc_defs -DHAVE_RPC_XDR_H=1"
|
|
else
|
|
rpc_defs="$rpc_defs -DHAVE_RPC_XDR_H=0"
|
|
fi
|
|
|
|
# Check for tirpc/rpc/xdr.h
|
|
AC_CHECK_HEADERS(tirpc/rpc/xdr.h)
|
|
if test x"$ac_cv_header_tirpc_rpc_xdr_h" = xyes; then
|
|
rpc_defs="$rpc_defs -DHAVE_TIRPC_RPC_XDR_H=1"
|
|
else
|
|
rpc_defs="$rpc_defs -DHAVE_TIRPC_RPC_XDR_H=0"
|
|
fi
|
|
|
|
AC_SUBST([RPC_DEFS], [$rpc_defs])
|
|
|
|
AM_CONDITIONAL(LIBBACKTRACE_SUPPORTED,
|
|
[test "x${BACKTRACE_SUPPORTED}x${BACKTRACE_USES_MALLOC}" = "x1x0"])
|
|
|
|
AH_BOTTOM([#include "libbacktrace/backtrace-rename.h"])
|
|
AC_CONFIG_FILES([Makefile libsanitizer.spec libbacktrace/backtrace-supported.h])
|
|
AC_CONFIG_HEADER(config.h)
|
|
|
|
AC_CONFIG_FILES(AC_FOREACH([DIR], [interception sanitizer_common libbacktrace lsan asan ubsan], [DIR/Makefile ]),
|
|
[cat > vpsed$$ << \_EOF
|
|
s!`test -f '$<' || echo '$(srcdir)/'`!!
|
|
_EOF
|
|
sed -f vpsed$$ $ac_file > tmp$$
|
|
mv tmp$$ $ac_file
|
|
rm vpsed$$
|
|
echo 'MULTISUBDIR =' >> $ac_file
|
|
ml_norecursion=yes
|
|
. ${multi_basedir}/config-ml.in
|
|
AS_UNSET([ml_norecursion])
|
|
])
|
|
|
|
if test "x$TSAN_SUPPORTED" = "xyes"; then
|
|
AC_CONFIG_FILES(AC_FOREACH([DIR], [tsan], [DIR/Makefile ]),
|
|
[cat > vpsed$$ << \_EOF
|
|
s!`test -f '$<' || echo '$(srcdir)/'`!!
|
|
_EOF
|
|
sed -f vpsed$$ $ac_file > tmp$$
|
|
mv tmp$$ $ac_file
|
|
rm vpsed$$
|
|
echo 'MULTISUBDIR =' >> $ac_file
|
|
ml_norecursion=yes
|
|
. ${multi_basedir}/config-ml.in
|
|
AS_UNSET([ml_norecursion])
|
|
])
|
|
fi
|
|
|
|
if test "x$HWASAN_SUPPORTED" = "xyes"; then
|
|
AC_CONFIG_FILES(AC_FOREACH([DIR], [hwasan], [DIR/Makefile ]),
|
|
[cat > vpsed$$ << \_EOF
|
|
s!`test -f '$<' || echo '$(srcdir)/'`!!
|
|
_EOF
|
|
sed -f vpsed$$ $ac_file > tmp$$
|
|
mv tmp$$ $ac_file
|
|
rm vpsed$$
|
|
echo 'MULTISUBDIR =' >> $ac_file
|
|
ml_norecursion=yes
|
|
. ${multi_basedir}/config-ml.in
|
|
AS_UNSET([ml_norecursion])
|
|
])
|
|
fi
|
|
|
|
AC_SUBST([TSAN_TARGET_DEPENDENT_OBJECTS])
|
|
AC_SUBST([SANITIZER_COMMON_TARGET_DEPENDENT_OBJECTS])
|
|
|
|
# Determine what GCC version number to use in filesystem paths.
|
|
GCC_BASE_VER
|
|
|
|
# Add CET specific flags if Intel CET is enabled.
|
|
GCC_CET_FLAGS(CET_FLAGS)
|
|
EXTRA_CFLAGS="$EXTRA_CFLAGS $CET_FLAGS"
|
|
EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $CET_FLAGS"
|
|
EXTRA_ASFLAGS=$CET_FLAGS
|
|
AC_SUBST(EXTRA_ASFLAGS)
|
|
AC_SUBST(EXTRA_CFLAGS)
|
|
AC_SUBST(EXTRA_CXXFLAGS)
|
|
|
|
AC_OUTPUT
|