#!/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}/${TMPB}.o" TMPCXX="${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 } do_compiler() { # Run the compiler, capturing its output to the log. First argument # is compiler binary to execute. 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 $? # Test passed. If this is an --enable-werror build, rerun # the test with -Werror and bail out if it fails. This # makes warning-generating-errors in configure test code # obvious to developers. if test "$werror" != "yes"; then return 0 fi # Don't bother rerunning the compile if we were already using -Werror case "$*" in *-Werror*) return 0 ;; esac echo $compiler -Werror "$@" >> config.log $compiler -Werror "$@" >> config.log 2>&1 && return $? error_exit "configure test passed without -Werror but failed with -Werror." \ "This is probably a bug in the configure script. The failing command" \ "will be at the bottom of config.log." \ "You can run configure with --disable-werror to bypass this check." } do_cc() { do_compiler "$cc" $CPU_CFLAGS "$@" } do_cxx() { do_compiler "$cxx" $CPU_CFLAGS "$@" } do_objc() { do_compiler "$objcc" $CPU_CFLAGS "$@" } # Append $2 to the variable named $1, with space separation add_to() { eval $1=\${$1:+\"\$$1 \"}\$2 } 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/) 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"'}"' } ld_has() { $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1 } if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; then error_exit "main directory cannot contain spaces nor colons" fi # default parameters cpu="" iasl="iasl" interp_prefix="/usr/gnemul/qemu-%M" static="no" cross_compile="no" cross_prefix="" audio_drv_list="default" block_drv_rw_whitelist="" block_drv_ro_whitelist="" host_cc="cc" debug_info="yes" lto="false" stack_protector="" safe_stack="" use_containers="yes" gdb_bin=$(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 "$opt" in --without-default-features) default_feature="no" ;; esac done EXTRA_CFLAGS="" EXTRA_CXXFLAGS="" EXTRA_OBJCFLAGS="" EXTRA_LDFLAGS="" xen_ctrl_version="$default_feature" vhost_kernel="$default_feature" vhost_net="$default_feature" vhost_crypto="$default_feature" vhost_scsi="$default_feature" vhost_vsock="$default_feature" vhost_user="no" vhost_user_fs="$default_feature" vhost_vdpa="$default_feature" rdma="$default_feature" pvrdma="$default_feature" debug_tcg="no" debug="no" sanitizers="no" tsan="no" fortify_source="yes" gcov="no" EXESUF="" modules="no" module_upgrades="no" prefix="/usr/local" qemu_suffix="qemu" softmmu="yes" linux_user="" bsd_user="" pkgversion="" pie="" trace_file="trace" opengl="$default_feature" coroutine="" tls_priority="NORMAL" plugins="$default_feature" secret_keyring="$default_feature" meson="" meson_args="" ninja="" gio="$default_feature" skip_meson=no # The following Meson options are handled manually (still they # are included in the automatically generated help message) # 1. Track which submodules are needed if test "$default_feature" = no ; then capstone="disabled" slirp="disabled" else capstone="auto" slirp="auto" fi fdt="auto" # 2. Support --with/--without option default_devices="true" # 3. Automatically enable/disable other options tcg="enabled" cfi="false" # 4. Detection partly done in configure xen=${default_feature:+disabled} # parse CC options second for opt do optarg=$(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 $optarg" ;; --enable-debug-info) debug_info="yes" ;; --disable-debug-info) debug_info="no" ;; --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" ;; --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} eval "cross_cc_cflags_${cc_arch}=\$optarg" cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" ;; --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} eval "cross_cc_${cc_arch}=\$optarg" cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" ;; 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}" cpp="${CPP-$cc -E}" objcopy="${OBJCOPY-${cross_prefix}objcopy}" ld="${LD-${cross_prefix}ld}" ranlib="${RANLIB-${cross_prefix}ranlib}" nm="${NM-${cross_prefix}nm}" smbd="$SMBD" strip="${STRIP-${cross_prefix}strip}" windres="${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 < $TMPC < int main(void) { return 0; } EOF compile_object } write_c_skeleton() { cat > $TMPC <&2 ;; --enable-vhdx|--disable-vhdx) echo "$0: $opt is obsolete, VHDX driver is always built" >&2 ;; --enable-uuid|--disable-uuid) echo "$0: $opt is obsolete, UUID support is always built" >&2 ;; --tls-priority=*) tls_priority="$optarg" ;; --enable-rdma) rdma="yes" ;; --disable-rdma) rdma="no" ;; --enable-pvrdma) pvrdma="yes" ;; --disable-pvrdma) pvrdma="no" ;; --disable-vhost-user) vhost_user="no" ;; --enable-vhost-user) vhost_user="yes" ;; --disable-vhost-vdpa) vhost_vdpa="no" ;; --enable-vhost-vdpa) vhost_vdpa="yes" ;; --disable-vhost-kernel) vhost_kernel="no" ;; --enable-vhost-kernel) vhost_kernel="yes" ;; --disable-capstone) capstone="disabled" ;; --enable-capstone) capstone="enabled" ;; --enable-capstone=git) capstone="internal" ;; --enable-capstone=*) capstone="$optarg" ;; --with-git=*) git="$optarg" ;; --with-git-submodules=*) git_submodules_action="$optarg" ;; --enable-plugins) if test "$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="$optarg" ;; --enable-keyring) secret_keyring="yes" ;; --disable-keyring) secret_keyring="no" ;; --enable-gio) gio=yes ;; --disable-gio) gio=no ;; # backwards compatibility options --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" ;; --disable-blobs) meson_option_parse --disable-install-blobs "" ;; --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc ;; --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc ;; # everything else has the same name in configure and meson --enable-* | --disable-*) meson_option_parse "$opt" "$optarg" ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" exit 1 ;; esac done # test for any invalid configuration combinations if test "$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 libdir="${libdir:-$prefix/lib}" libexecdir="${libexecdir:-$prefix/libexec}" includedir="${includedir:-$prefix/include}" if test "$mingw32" = "yes" ; then bindir="${bindir:-$prefix}" else bindir="${bindir:-$prefix/bin}" fi mandir="${mandir:-$prefix/share/man}" datadir="${datadir:-$prefix/share}" docdir="${docdir:-$prefix/share/doc}" sysconfdir="${sysconfdir:-$prefix/etc}" local_statedir="${local_statedir:-$prefix/var}" firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" localedir="${localedir:-$datadir/locale}" if eval test -z "\${cross_cc_$cpu}"; then eval "cross_cc_${cpu}=\$cc" cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" fi default_target_list="" mak_wilds="" if [ "$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 [$prefix] --interp-prefix=PREFIX where to find shared libraries, etc. use %M for cpu name [$interp_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 [$cc] --iasl=IASL use ACPI compiler IASL [$iasl] --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 [$objcc] --extra-cflags=CFLAGS append extra C compiler flags CFLAGS --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS --cross-cc-ARCH=CC use compiler when building ARCH guest test cases --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests --make=MAKE use specified make [$make] --python=PYTHON use specified python [$python] --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] --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 [$static] --mandir=PATH install man pages in PATH --datadir=PATH install firmware in PATH/$qemu_suffix --localedir=PATH install translation in PATH/$qemu_suffix --docdir=PATH install documentation in PATH/$qemu_suffix --bindir=PATH install binaries in PATH --libdir=PATH install libraries in PATH --libexecdir=PATH install helper binaries in PATH --sysconfdir=PATH install config in PATH/$qemu_suffix --localstatedir=PATH install local state in PATH (set at runtime on win32) --firmwarepath=PATH search PATH for firmware files --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] --with-pkgversion=VERS use specified string as sub-version of the package --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 --disable-stack-protector disable compiler-provided stack protection --audio-drv-list=LIST set audio drivers to try if -audiodev is not used --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L --block-drv-rw-whitelist=L set block driver read-write whitelist (by default affects only QEMU, not tools like qemu-img) --block-drv-ro-whitelist=L set block driver read-only whitelist (by default affects only QEMU, not tools like qemu-img) --with-trace-file=NAME Full PATH,NAME of file to store traces Default:trace- --cpu=CPU Build for host CPU [$cpu] --with-coroutine=BACKEND coroutine backend. Supported options: ucontext, sigaltstack, windows --enable-gcov enable test coverage analysis with gcov --tls-priority default TLS protocol/cipher priority string --enable-plugins enable plugins via shared library loading --disable-containers don't use containers for cross-building --gdb=GDB-path gdb to use for gdbstub tests [$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) module-upgrades try to load modules from alternate paths for upgrades debug-tcg TCG debugging (default is disabled) debug-info debugging information lto Enable Link-Time Optimization. safe-stack SafeStack Stack Smash Protection. Depends on clang/llvm >= 3.7 and requires coroutine backend ucontext. rdma Enable RDMA-based migration pvrdma Enable PVRDMA support vhost-net vhost-net kernel acceleration support vhost-vsock virtio sockets device support vhost-scsi vhost-scsi kernel target support vhost-crypto vhost-user-crypto backend support vhost-kernel vhost kernel backend support vhost-user vhost-user backend support vhost-vdpa vhost-vdpa kernel backend support opengl opengl support gio libgio support 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 "\"$cc\" cannot build an executable (is your linker broken?)" fi # Consult white-list to determine whether to enable werror # by default. Only enable by default for git builds if test -z "$werror" ; then if test "$git_submodules_action" != "ignore" && \ { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then werror="yes" else werror="no" fi fi if test "$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 < $TMPC << EOF int main(int argc, char *argv[]) { char arr[64], *p = arr, *c = argv[0]; while (*c) { *p++ = *c++; } return 0; } EOF gcc_flags="-fstack-protector-strong -fstack-protector-all" sp_on=0 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 $flag" ""; then QEMU_CFLAGS="$QEMU_CFLAGS $flag" QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" sp_on=1 break fi done if test "$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 # module_upgrades is only reasonable if modules are enabled if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then error_exit "Can't enable module-upgrades as Modules are not enabled" 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 > $TMPC << EOF #ifdef __linux__ # define THREAD __thread #else # define THREAD #endif static THREAD int tls_var; int main(void) { return tls_var; } EOF # Check we support -fno-pie and -no-pie first; we will need the former for # building ROMs, and both for everything if --disable-pie is passed. if compile_prog "-Werror -fno-pie" "-no-pie"; then CFLAGS_NOPIE="-fno-pie" LDFLAGS_NOPIE="-no-pie" fi if test "$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 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS" 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 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 $TMPE | grep -q LiTtLeEnDiAn ; then bigendian="no" else echo big/little test failed exit 1 fi else echo big/little test failed exit 1 fi ######################################### # vhost interdependencies and host support # vhost backends if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then error_exit "vhost-user is not available on Windows" fi test "$vhost_vdpa" = "" && vhost_vdpa=$linux if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then error_exit "vhost-vdpa is only available on Linux" fi test "$vhost_kernel" = "" && vhost_kernel=$linux if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then error_exit "vhost-kernel is only available on Linux" fi # vhost-kernel devices test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" fi test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" fi # vhost-user backends test "$vhost_net_user" = "" && vhost_net_user=$vhost_user if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then error_exit "--enable-vhost-net-user requires --enable-vhost-user" fi test "$vhost_crypto" = "" && vhost_crypto=$vhost_user if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then error_exit "--enable-vhost-crypto requires --enable-vhost-user" fi test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then error_exit "--enable-vhost-user-fs requires --enable-vhost-user" fi #vhost-vdpa backends test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" fi # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity if test "$vhost_net" = ""; then test "$vhost_net_user" = "yes" && vhost_net=yes test "$vhost_net_vdpa" = "yes" && vhost_net=yes test "$vhost_kernel" = "yes" && vhost_net=yes fi ########################################## # pkg-config probe if ! has "$pkg_config_exe"; then error_exit "pkg-config binary '$pkg_config_exe' not found" fi ########################################## # xen probe if test "$xen" != "disabled" ; then # Check whether Xen library path is specified via --extra-ldflags to avoid # overriding this setting with pkg-config output. If not, try pkg-config # to obtain all needed flags. if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ $pkg_config --exists xencontrol ; then xen_ctrl_version="$(printf '%d%02d%02d' \ $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" xen=enabled xen_pc="xencontrol xenstore xenforeignmemory xengnttab" xen_pc="$xen_pc xenevtchn xendevicemodel" if $pkg_config --exists xentoolcore; then xen_pc="$xen_pc xentoolcore" fi xen_cflags="$($pkg_config --cflags $xen_pc)" xen_libs="$($pkg_config --libs $xen_pc)" else xen_libs="-lxenstore -lxenctrl" xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" # First we test whether Xen headers and libraries are available. # If no, we are done and there is no Xen support. # If yes, more tests are run to detect the Xen version. # Xen (any) cat > $TMPC < int main(void) { return 0; } EOF if ! compile_prog "" "$xen_libs" ; then # Xen not found if test "$xen" = "enabled" ; then feature_not_found "xen" "Install xen devel" fi xen=disabled # Xen unstable elif cat > $TMPC < #include int main(void) { xendevicemodel_handle *xd; xenforeignmemory_handle *xfmem; xd = xendevicemodel_open(0, 0); xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); return 0; } EOF compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" then xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" xen_ctrl_version=41100 xen=enabled elif cat > $TMPC < #include int main(void) { xenforeignmemory_handle *xfmem; xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); xentoolcore_restrict_all(0); return 0; } EOF compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" then xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" xen_ctrl_version=41000 xen=enabled elif cat > $TMPC < int main(void) { xendevicemodel_handle *xd; xd = xendevicemodel_open(0, 0); xendevicemodel_close(xd); return 0; } EOF compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" then xen_stable_libs="-lxendevicemodel $xen_stable_libs" xen_ctrl_version=40900 xen=enabled elif cat > $TMPC < #include #include #include #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc = NULL; xenforeignmemory_handle *xfmem; xenevtchn_handle *xe; xengnttab_handle *xg; xengnttab_grant_copy_segment_t* seg = NULL; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); xe = xenevtchn_open(0, 0); xenevtchn_fd(xe); xg = xengnttab_open(0, 0); xengnttab_grant_copy(xg, 0, seg); return 0; } EOF compile_prog "" "$xen_libs $xen_stable_libs" then xen_ctrl_version=40800 xen=enabled elif cat > $TMPC < #include #include #include #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc = NULL; xenforeignmemory_handle *xfmem; xenevtchn_handle *xe; xengnttab_handle *xg; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); xe = xenevtchn_open(0, 0); xenevtchn_fd(xe); xg = xengnttab_open(0, 0); xengnttab_map_grant_ref(xg, 0, 0, 0); return 0; } EOF compile_prog "" "$xen_libs $xen_stable_libs" then xen_ctrl_version=40701 xen=enabled # Xen 4.6 elif cat > $TMPC < #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_gnttab_open(NULL, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); return 0; } EOF compile_prog "" "$xen_libs" then xen_ctrl_version=40600 xen=enabled # Xen 4.5 elif cat > $TMPC < #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_gnttab_open(NULL, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, 0, NULL); return 0; } EOF compile_prog "" "$xen_libs" then xen_ctrl_version=40500 xen=enabled elif cat > $TMPC < #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_gnttab_open(NULL, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); return 0; } EOF compile_prog "" "$xen_libs" then xen_ctrl_version=40200 xen=enabled else if test "$xen" = "enabled" ; then feature_not_found "xen (unsupported version)" \ "Install a supported xen (xen 4.2 or newer)" fi xen=disabled fi if test "$xen" = enabled; then if test $xen_ctrl_version -ge 40701 ; then xen_libs="$xen_libs $xen_stable_libs " fi fi fi fi ########################################## # RDMA needs OpenFabrics libraries if test "$rdma" != "no" ; then cat > $TMPC < int main(void) { return 0; } EOF rdma_libs="-lrdmacm -libverbs -libumad" if compile_prog "" "$rdma_libs" ; then rdma="yes" else if test "$rdma" = "yes" ; then error_exit \ " OpenFabrics librdmacm/libibverbs/libibumad not present." \ " Your options:" \ " (1) Fast: Install infiniband packages (devel) from your distro." \ " (2) Cleanest: Install libraries from www.openfabrics.org" \ " (3) Also: Install softiwarp if you don't have RDMA hardware" fi rdma="no" fi fi ########################################## # PVRDMA detection cat > $TMPC < int main(void) { char buf = 0; void *addr = &buf; addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); return 0; } EOF if test "$rdma" = "yes" ; then case "$pvrdma" in "") if compile_prog "" ""; then pvrdma="yes" else pvrdma="no" fi ;; "yes") if ! compile_prog "" ""; then error_exit "PVRDMA is not supported since mremap is not implemented" fi pvrdma="yes" ;; "no") pvrdma="no" ;; esac else if test "$pvrdma" = "yes" ; then error_exit "PVRDMA requires rdma suppport" fi pvrdma="no" fi # Let's see if enhanced reg_mr is supported if test "$pvrdma" = "yes" ; then cat > $TMPC < int main(void) { struct ibv_mr *mr; struct ibv_pd *pd = NULL; size_t length = 10; uint64_t iova = 0; int access = 0; void *addr = NULL; mr = ibv_reg_mr_iova(pd, addr, length, iova, access); ibv_dereg_mr(mr); return 0; } EOF if ! compile_prog "" "-libverbs"; then QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR" fi fi ########################################## # glib support probe 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 $i is required to compile QEMU" fi done # This workaround is required due to a bug in pkg-config file for glib as it # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static if test "$static" = yes && test "$mingw32" = yes; then glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" fi if ! test "$gio" = "no"; then pass=no if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then gio_cflags=$($pkg_config --cflags gio-2.0) gio_libs=$($pkg_config --libs gio-2.0) gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0) if ! has "$gdbus_codegen"; then gdbus_codegen= fi # Check that the libraries actually work -- Ubuntu 18.04 ships # with pkg-config --static --libs data for gio-2.0 that is missing # -lblkid and will give a link error. cat > $TMPC < int main(void) { g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); return 0; } EOF if compile_prog "$gio_cflags" "$gio_libs" ; then pass=yes else pass=no fi if test "$pass" = "yes" && $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)" gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)" fi fi if test "$pass" = "no"; then if test "$gio" = "yes"; then feature_not_found "gio" "Install libgio >= 2.0" else gio=no fi else gio=yes fi fi # 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 > $TMPC < #include #define QEMU_BUILD_BUG_ON(x) \ typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); int main(void) { QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); return 0; } EOF if ! compile_prog "$glib_cflags" "$glib_libs" ; then 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 > $TMPC << EOF #include typedef struct Foo { int i; } Foo; static void foo_free(Foo *f) { g_free(f); } G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) int main(void) { return 0; } EOF if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then if cc_has_warning_flag "-Wno-unused-function"; then glib_cflags="$glib_cflags -Wno-unused-function" CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" fi fi ########################################## # SHA command probe for modules if test "$modules" = yes; then shacmd_probe="sha1sum sha1 shasum" for c in $shacmd_probe; do if has $c; then shacmd="$c" break fi done if test "$shacmd" = ""; then error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" fi fi ########################################## # fdt probe case "$fdt" in auto | enabled | internal) # Simpler to always update submodule, even if not needed. git_submodules="${git_submodules} dtc" ;; esac ########################################## # opengl probe (for sdl2, gtk) if test "$opengl" != "no" ; then epoxy=no if $pkg_config epoxy; then cat > $TMPC << EOF #include int main(void) { return 0; } EOF if compile_prog "" "" ; then epoxy=yes fi fi if test "$epoxy" = "yes" ; then opengl_cflags="$($pkg_config --cflags epoxy)" opengl_libs="$($pkg_config --libs epoxy)" opengl=yes else if test "$opengl" = "yes" ; then feature_not_found "opengl" "Please install epoxy with EGL" fi opengl_cflags="" opengl_libs="" opengl=no fi fi # check for usbfs have_usbfs=no if test "$linux_user" = "yes"; then cat > $TMPC << EOF #include #ifndef USBDEVFS_GET_CAPABILITIES #error "USBDEVFS_GET_CAPABILITIES undefined" #endif #ifndef USBDEVFS_DISCONNECT_CLAIM #error "USBDEVFS_DISCONNECT_CLAIM undefined" #endif int main(void) { return 0; } EOF if compile_prog "" ""; then have_usbfs=yes fi fi ########################################## # capstone case "$capstone" in auto | enabled | internal) # Simpler to always update submodule, even if not needed. git_submodules="${git_submodules} capstone" ;; esac ########################################## # check and set a backend for coroutine # We prefer ucontext, but it's not always possible. The fallback # is sigcontext. On Windows the only valid backend is the Windows # specific one. ucontext_works=no if test "$darwin" != "yes"; then cat > $TMPC << EOF #include #ifdef __stub_makecontext #error Ignoring glibc stub makecontext which will always fail #endif int main(void) { makecontext(0, 0, 0); return 0; } EOF if compile_prog "" "" ; then ucontext_works=yes fi fi if test "$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 > $TMPC << EOF #include int main(void) { void *tmp = malloc(10); if (tmp != NULL) { return *(int *)(tmp + 2); } return 1; } EOF if compile_prog "$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 > $TMPC << EOF #include int main(void) { __sanitizer_start_switch_fiber(0, 0, 0); return 0; } EOF if compile_prog "$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 > $TMPC << EOF #include int main(void) { __tsan_create_fiber(0); return 0; } EOF if compile_prog "$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 ########################################## # check for usable __NR_keyctl syscall if test "$linux" = "yes" ; then have_keyring=no cat > $TMPC << EOF #include #include #include #include int main(void) { return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); } EOF if compile_prog "" "" ; then have_keyring=yes fi fi if test "$secret_keyring" != "no" then if test "$have_keyring" = "yes" then secret_keyring=yes else if test "$secret_keyring" = "yes" then error_exit "syscall __NR_keyctl requested, \ but not implemented on your system" else secret_keyring=no fi fi fi ########################################## # End of CC checks # After here, no more $cc or $ld runs write_c_skeleton if test "$gcov" = "yes" ; then : elif test "$fortify_source" = "yes" ; then QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" debug=no fi case "$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 $QEMU_LDFLAGS" fi fi # Use ASLR, no-SEH and DEP if available if test "$mingw32" = "yes" ; then flags="--no-seh --nxcompat" # Disable ASLR for debug builds to allow debugging with gdb if test "$debug" = "no" ; then flags="--dynamicbase $flags" fi for flag in $flags; do if ld_has $flag ; then QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" fi done fi # Guest agent Windows MSI package if test "$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 $source_path/VERSION) fi QEMU_GA_MSI_MINGW_BIN_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" # Mac OS X ships with a broken assembler roms= if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ test "$targetos" != "haiku" && test "$softmmu" = yes ; then # Different host OS linkers have different ideas about the name of the ELF # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then ld_i386_emulation="$emu" roms="optionrom" break fi done fi # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 # or -march=z10 (which is the lowest architecture level that Clang supports) if test "$cpu" = "s390x" ; then write_c_skeleton compile_prog "-march=z900" "" has_z900=$? if [ $has_z900 = 0 ] || compile_object "-march=z10 -msoft-float -Werror"; 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 s390-ccw" # 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 # 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 < $TMPCXX < $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" >> $config_host_mak echo "QEMU_GA_MSI_MINGW_BIN_PATH=${QEMU_GA_MSI_MINGW_BIN_PATH}" >> $config_host_mak echo "QEMU_GA_MANUFACTURER=${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" >> $config_host_mak fi echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak qemu_version=$(head $source_path/VERSION) echo "PKGVERSION=$pkgversion" >>$config_host_mak echo "SRC_PATH=$source_path" >> $config_host_mak echo "TARGET_DIRS=$target_list" >> $config_host_mak if test "$modules" = "yes"; then # $shacmd can generate a hash started with digit, which the compiler doesn't # like as an symbol. So prefix it with an underscore echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak echo "CONFIG_MODULES=y" >> $config_host_mak fi if test "$module_upgrades" = "yes"; then echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak fi if test "$have_usbfs" = "yes" ; then echo "CONFIG_USBFS=y" >> $config_host_mak fi if test "$gio" = "yes" ; then echo "CONFIG_GIO=y" >> $config_host_mak echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak echo "GIO_LIBS=$gio_libs" >> $config_host_mak fi if test "$gdbus_codegen" != "" ; then echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak fi echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak if test "$xen" = "enabled" ; then echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak echo "XEN_LIBS=$xen_libs" >> $config_host_mak fi if test "$vhost_scsi" = "yes" ; then echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak fi if test "$vhost_net" = "yes" ; then echo "CONFIG_VHOST_NET=y" >> $config_host_mak fi if test "$vhost_net_user" = "yes" ; then echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak fi if test "$vhost_net_vdpa" = "yes" ; then echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak fi if test "$vhost_crypto" = "yes" ; then echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak fi if test "$vhost_vsock" = "yes" ; then echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak if test "$vhost_user" = "yes" ; then echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak fi fi if test "$vhost_kernel" = "yes" ; then echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak fi if test "$vhost_user" = "yes" ; then echo "CONFIG_VHOST_USER=y" >> $config_host_mak fi if test "$vhost_vdpa" = "yes" ; then echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak fi if test "$vhost_user_fs" = "yes" ; then echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak fi if test "$opengl" = "yes" ; then echo "CONFIG_OPENGL=y" >> $config_host_mak echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak fi # XXX: suppress that if [ "$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" >> $config_host_mak fi if test "$rdma" = "yes" ; then echo "CONFIG_RDMA=y" >> $config_host_mak echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak fi if test "$pvrdma" = "yes" ; then echo "CONFIG_PVRDMA=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" >> $config_host_mak fi fi if test "$secret_keyring" = "yes" ; then echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak fi echo "ROMS=$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" >> $config_host_mak echo "AR=$ar" >> $config_host_mak echo "AS=$as" >> $config_host_mak echo "CCAS=$ccas" >> $config_host_mak echo "CPP=$cpp" >> $config_host_mak echo "OBJCOPY=$objcopy" >> $config_host_mak echo "LD=$ld" >> $config_host_mak echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak echo "QEMU_CFLAGS=$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" >> $config_host_mak echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak echo "STRIP=$strip" >> $config_host_mak echo "EXESUF=$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-$target_name" ;; esac done echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak if test "$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" >> $config_host_mak fi # If we're using a separate build tree, set it up now. # LINKS are things to symlink back into the source tree # (these can be both files and directories). # Caution: do not add files or directories here using wildcards. This # will result in problems later if a new file matching the wildcard is # added to the source tree -- nothing will cause configure to be rerun # so the build tree will be missing the link back to the new file, and # tests might fail. Prefer to keep the relevant files in their own # directory and symlink the directory instead. LINKS="Makefile" LINKS="$LINKS tests/tcg/Makefile.target" LINKS="$LINKS pc-bios/optionrom/Makefile" LINKS="$LINKS pc-bios/s390-ccw/Makefile" LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit LINKS="$LINKS tests/avocado tests/data" LINKS="$LINKS tests/qemu-iotests/check" LINKS="$LINKS python" LINKS="$LINKS contrib/plugins/Makefile " for bios_file in \ $source_path/pc-bios/*.bin \ $source_path/pc-bios/*.elf \ $source_path/pc-bios/*.lid \ $source_path/pc-bios/*.rom \ $source_path/pc-bios/*.dtb \ $source_path/pc-bios/*.img \ $source_path/pc-bios/openbios-* \ $source_path/pc-bios/u-boot.* \ $source_path/pc-bios/palcode-* \ $source_path/pc-bios/qemu_vga.ndrv do LINKS="$LINKS pc-bios/$(basename $bios_file)" done for f in $LINKS ; do if [ -e "$source_path/$f" ]; then mkdir -p `dirname ./$f` symlink "$source_path/$f" "$f" fi done (for i in $cross_cc_vars; do export $i done export target_list source_path use_containers cpu host_cc $source_path/tests/tcg/configure.sh) config_mak=pc-bios/optionrom/config.mak echo "# Automatically generated by configure - do not modify" > $config_mak echo "TOPSRC_DIR=$source_path" >> $config_mak if test "$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)]" >> $cross echo "windres = [$(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 $cross config-meson.cross rm -rf meson-private meson-info meson-logs run_meson() { NINJA=$ninja $meson setup \ --prefix "$prefix" \ --libdir "$libdir" \ --libexecdir "$libexecdir" \ --bindir "$bindir" \ --includedir "$includedir" \ --datadir "$datadir" \ --mandir "$mandir" \ --sysconfdir "$sysconfdir" \ --localedir "$localedir" \ --localstatedir "$local_statedir" \ -Daudio_drv_list=$audio_drv_list \ -Ddefault_devices=$default_devices \ -Ddocdir="$docdir" \ -Diasl="$($iasl -h >/dev/null 2>&1 && printf %s "$iasl")" \ -Dqemu_firmwarepath="$firmwarepath" \ -Dqemu_suffix="$qemu_suffix" \ -Dsmbd="$smbd" \ -Dsphinx_build="$sphinx_build" \ -Dtrace_file="$trace_file" \ -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ -Db_lto=$lto -Dcfi=$cfi -Dtcg=$tcg -Dxen=$xen \ -Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp \ $(test -n "${LIB_FUZZING_ENGINE+xxx}" && echo "-Dfuzzing_engine=$LIB_FUZZING_ENGINE") \ $(if test "$default_feature" = no; then echo "-Dauto_features=disabled"; fi) \ "$@" $cross_arg "$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 <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 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 CPP preserve_env CFLAGS preserve_env CXX preserve_env CXXFLAGS preserve_env INSTALL preserve_env LD preserve_env LDFLAGS preserve_env LD_LIBRARY_PATH preserve_env LIBTOOL preserve_env MAKE preserve_env NM 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 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"