| #!/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 |
| |
| if ! mkdir build || ! touch $MARKER |
| then |
| echo "ERROR: Could not create ./build directory. Check the permissions on" |
| echo "your source directory, or try doing an out-of-tree build." |
| exit 1 |
| fi |
| |
| cat > GNUmakefile <<'EOF' |
| # This file is auto-generated by configure to support in-source tree |
| # 'make' command invocation |
| |
| ifeq ($(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 "${TMPDIR1}" |
| if ! mkdir -p "${TMPDIR1}"; then |
| echo "ERROR: failed to create temporary directory" |
| exit 1 |
| fi |
| |
| TMPB="qemu-conf" |
| TMPC="${TMPDIR1}/${TMPB}.c" |
| TMPO="${TMPDIR1}/${TMPB}.o" |
| 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 $(date)" >> config.log |
| printf "# Configured with:" >> config.log |
| # repeat the invocation to log and stdout for CI |
| invoke=$(printf " '%s'" "$0" "$@") |
| test -n "$GITLAB_CI" && echo "configuring with: $invoke" |
| { echo "$invoke"; echo; 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 $? |
| } |
| |
| do_compiler_werror() { |
| # 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 $? |
| error_exit "configure test passed without -Werror but failed with -Werror." \ |
| "This is probably a bug in the configure script. The failing command" \ |
| "will be at the bottom of config.log." \ |
| "You can run configure with --disable-werror to bypass this check." |
| } |
| |
| do_cc() { |
| do_compiler_werror "$cc" $CPU_CFLAGS "$@" |
| } |
| |
| do_objc() { |
| do_compiler_werror "$objcc" $CPU_CFLAGS "$@" |
| } |
| |
| # Append $2 to the variable named $1, with space separation |
| add_to() { |
| eval $1=\${$1:+\"\$$1 \"}\$2 |
| } |
| |
| 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 |
| } |
| |
| 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" |
| stack_protector="" |
| safe_stack="" |
| use_containers="yes" |
| gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") |
| gdb_arches="" |
| glib_has_gslice="no" |
| |
| if test -e "$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="" |
| 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 |
| fdt="auto" |
| |
| # 2. Automatically enable/disable other options |
| tcg="auto" |
| 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 |
| |
| # 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-${cross_prefix}windres}" |
| windmc="${WINDMC-${cross_prefix}windmc}" |
| pkg_config_exe="${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="-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" |
| ;; |
| 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 |
| # Using uname is really broken, but it is just a fallback for architectures |
| # that are going to use TCI anyway |
| cpu=$(uname -m) |
| echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" |
| fi |
| |
| # Normalise host CPU name and set multilib cflags. The canonicalization |
| # isn't really necessary, because the architectures that we check for |
| # should not hit the 'uname -m' case, but better safe than sorry. |
| # 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) |
| 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}} |
| |
| |
| check_py_version() { |
| # We require python >= 3.6. |
| # NB: a True python conditional creates a non-zero return code (Failure) |
| "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))' |
| } |
| |
| python= |
| first_python= |
| if test -z "${PYTHON}"; then |
| explicit_python=no |
| # A bare 'python' is traditionally python 2.x, but some distros |
| # have it as python 3.x, so check in both places. |
| for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do |
| if has "$binary"; then |
| python=$(command -v "$binary") |
| if check_py_version "$python"; then |
| # This one is good. |
| first_python= |
| break |
| else |
| first_python=$python |
| fi |
| fi |
| done |
| else |
| # Same as above, but only check the environment variable. |
| has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" |
| python=$(command -v "$PYTHON") |
| explicit_python=yes |
| if check_py_version "$python"; then |
| # This one is good. |
| first_python= |
| else |
| first_python=$first_python |
| fi |
| fi |
| |
| # 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 $CONFIGURE_CFLAGS" |
| prefix="/qemu" |
| bindir="" |
| qemu_suffix="" |
| fi |
| |
| werror="" |
| |
| meson_option_build_array() { |
| printf '[' |
| (if test "$targetos" = windows; then |
| IFS=\; |
| else |
| IFS=: |
| fi |
| for e in $1; do |
| printf '"""' |
| # backslash escape any '\' and '"' characters |
| printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' |
| printf '""",' |
| done) |
| printf ']\n' |
| } |
| |
| . "$source_path/scripts/meson-buildoptions.sh" |
| |
| meson_options= |
| meson_option_add() { |
| meson_options="$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-graph-lock "" |
| 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-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" |
| ;; |
| --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="$optarg" |
| ;; |
| --with-git=*) git="$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="$optarg" |
| ;; |
| --enable-vfio-user-server) vfio_user_server="enabled" |
| ;; |
| --disable-vfio-user-server) vfio_user_server="disabled" |
| ;; |
| # everything else has the same name in configure and meson |
| --*) meson_option_parse "$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 |
| --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 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 "$python" |
| then |
| # If first_python is set, there was a binary somewhere even though |
| # it was not suitable. Use it for the error message. |
| if test -n "$first_python"; then |
| error_exit "Cannot use '$first_python', Python >= 3.6 is required." \ |
| "Use --python=/path/to/python to specify a supported Python." |
| else |
| error_exit "Python not found. Use --python=/path/to/python" |
| fi |
| fi |
| |
| if ! has "$make" |
| then |
| error_exit "GNU make ($make) not found" |
| fi |
| |
| if ! check_py_version "$python"; then |
| error_exit "Cannot use '$python', Python >= 3.6 is required." \ |
| "Use --python=/path/to/python to specify a supported Python." |
| fi |
| |
| # Resolve PATH + suppress writing compiled files |
| python="$(command -v "$python") -B" |
| |
| has_meson() { |
| local python_dir=$(dirname "$python") |
| # PEP405: pyvenv.cfg is either adjacent to the Python executable |
| # or one directory above |
| if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then |
| # Ensure that Meson and Python come from the same virtual environment |
| test -x "$python_dir/meson" && |
| test "$(command -v meson)" -ef "$python_dir/meson" |
| else |
| has meson |
| fi |
| } |
| |
| if test -z "$meson"; then |
| if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then |
| meson=meson |
| elif test "$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 > $TMPC << EOF |
| #if defined(__clang_major__) && defined(__clang_minor__) |
| # ifdef __apple_build_version__ |
| # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) |
| # error You need at least XCode Clang v12.0 to compile QEMU |
| # endif |
| # else |
| # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) |
| # error You need at least Clang v10.0 to compile QEMU |
| # endif |
| # endif |
| #elif defined(__GNUC__) && defined(__GNUC_MINOR__) |
| # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) |
| # error You need at least GCC v7.4.0 to compile QEMU |
| # endif |
| #else |
| # error You either need GCC or Clang to compiler QEMU |
| #endif |
| int main (void) { return 0; } |
| EOF |
| if ! compile_prog "" "" ; then |
| error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" |
| fi |
| |
| # Accumulate -Wfoo and -Wno-bar separately. |
| # We will list all of the enable flags first, and the disable flags second. |
| # Note that we do not add -Werror, because that would enable it for all |
| # configure tests. If a configure test failed due to -Werror this would |
| # just silently disable some features, so it's too error prone. |
| |
| warn_flags= |
| add_to warn_flags -Wundef |
| add_to warn_flags -Wwrite-strings |
| add_to warn_flags -Wmissing-prototypes |
| add_to warn_flags -Wstrict-prototypes |
| add_to warn_flags -Wredundant-decls |
| add_to warn_flags -Wold-style-declaration |
| add_to warn_flags -Wold-style-definition |
| add_to warn_flags -Wtype-limits |
| add_to warn_flags -Wformat-security |
| add_to warn_flags -Wformat-y2k |
| add_to warn_flags -Winit-self |
| add_to warn_flags -Wignored-qualifiers |
| add_to warn_flags -Wempty-body |
| add_to warn_flags -Wnested-externs |
| add_to warn_flags -Wendif-labels |
| add_to warn_flags -Wexpansion-to-defined |
| add_to warn_flags -Wimplicit-fallthrough=2 |
| add_to warn_flags -Wmissing-format-attribute |
| |
| if test "$targetos" != "darwin"; then |
| add_to warn_flags -Wthread-safety |
| fi |
| |
| 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 |
| add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end |
| |
| 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[argc - 1]; |
| 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 $sp_on = 0; then |
| error_exit "Stack protector not supported" |
| fi |
| fi |
| fi |
| |
| # Our module code doesn't support Windows |
| if test "$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 > $TMPC << EOF |
| |
| #ifdef __linux__ |
| # define THREAD __thread |
| #else |
| # define THREAD |
| #endif |
| static THREAD int tls_var; |
| int main(void) { return tls_var; } |
| EOF |
| |
| # Meson currently only handles pie as a boolean for now so if we have |
| # explicitly disabled PIE we need to extend our cflags because it wont. |
| if test "$static" = "yes"; then |
| if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then |
| CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" |
| pie="yes" |
| elif test "$pie" = "yes"; then |
| error_exit "-static-pie not available due to missing toolchain support" |
| else |
| pie="no" |
| QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS" |
| fi |
| elif test "$pie" = "no"; then |
| if compile_prog "-Werror -fno-pie" "-no-pie"; then |
| CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" |
| CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" |
| QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" |
| 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 |
| |
| ########################################## |
| # __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 $QEMU_CFLAGS" |
| fi |
| fi |
| |
| if test -z "${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 " $target_list " in |
| *"-softmmu "*) softmmu=yes |
| ;; |
| *) softmmu=no |
| ;; |
| esac |
| |
| if test "$tcg" = "auto"; then |
| if test -z "$target_list"; then |
| tcg="disabled" |
| else |
| tcg="enabled" |
| fi |
| fi |
| |
| if test "$tcg" = "enabled"; then |
| git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" |
| git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" |
| fi |
| |
| ########################################## |
| # big/little endian test |
| cat > $TMPC << EOF |
| #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| # error LITTLE |
| #endif |
| int main(void) { return 0; } |
| EOF |
| |
| if ! compile_prog ; then |
| bigendian="no" |
| else |
| cat > $TMPC << EOF |
| #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| # error BIG |
| #endif |
| int main(void) { return 0; } |
| EOF |
| |
| if ! compile_prog ; then |
| bigendian="yes" |
| else |
| echo big/little test failed |
| exit 1 |
| fi |
| fi |
| |
| ########################################## |
| # pkg-config probe |
| |
| if ! has "$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 |
| |
| # Check whether glib has gslice, which we have to avoid for correctness. |
| # TODO: remove this check and the corresponding workaround (qtree) when |
| # the minimum supported glib is >= $glib_dropped_gslice_version. |
| glib_dropped_gslice_version=2.75.3 |
| for i in $glib_modules; do |
| if ! $pkg_config --atleast-version=$glib_dropped_gslice_version $i; then |
| glib_has_gslice="yes" |
| break |
| fi |
| done |
| |
| glib_bindir="$($pkg_config --variable=bindir glib-2.0)" |
| if test -z "$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 |
| |
| # 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 |
| 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 "$ucontext_works" != "yes"; then |
| error_exit "'ucontext' backend requested but makecontext not available" |
| fi |
| ;; |
| sigaltstack) |
| if test "$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(void) |
| { |
| #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 > $TMPC << EOF |
| int main(void) |
| { |
| #if defined(__has_feature) |
| #if __has_feature(safe_stack) |
| #error SafeStack Enabled |
| #endif |
| #endif |
| return 0; |
| } |
| EOF |
| if test "$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 > $TMPC << EOF |
| static const int Z = 1; |
| #define fn() ({ Z; }) |
| #define TAUT(X) ((X) == Z) |
| #define PAREN(X, Y) (X == Y) |
| #define ID(X) (X) |
| int main(void) |
| { |
| int x = 0, y = 0; |
| x = ID(x); |
| x = fn(); |
| fn(); |
| if (PAREN(x, y)) return 0; |
| if (TAUT(Z)) return 0; |
| return 0; |
| } |
| EOF |
| |
| if ! compile_object "-Werror"; then |
| ccache_cpp2=yes |
| fi |
| |
| ################################################# |
| # clang does not support glibc + FORTIFY_SOURCE. |
| |
| if test "$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 |
| |
| ########################################## |
| # functions to probe cross compilers |
| |
| container="no" |
| runc="" |
| if test $use_containers = "yes" && (has "docker" || has "podman"); then |
| case $($python "$source_path"/tests/docker/docker.py probe) in |
| *docker) container=docker ;; |
| podman) container=podman ;; |
| no) container=no ;; |
| esac |
| if test "$container" != "no"; then |
| docker_py="$python $source_path/tests/docker/docker.py --engine $container" |
| runc=$($python "$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-"} |
| |
| : ${cross_cc_aarch64_be="$cross_cc_aarch64"} |
| : ${cross_cc_cflags_aarch64_be="-mbig-endian"} |
| : ${cross_cc_armeb="$cross_cc_arm"} |
| : ${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 -mbig-endian"} |
| : ${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"} |
| : ${cross_cc_cflags_x86_64="-m64"} |
| |
| compute_target_variable() { |
| eval "$2=" |
| if eval test -n "\"\${cross_prefix_$1}\""; then |
| if eval has "\"\${cross_prefix_$1}\$3\""; then |
| eval "$2=\"\${cross_prefix_$1}\$3\"" |
| fi |
| fi |
| } |
| |
| have_target() { |
| for i; do |
| case " $target_list " in |
| *" $i "*) return 0;; |
| *) ;; |
| esac |
| done |
| return 1 |
| } |
| |
| # probe_target_compiler TARGET |
| # |
| # Look for a compiler for the given target, either native or cross. |
| # Set variables target_* if a compiler is found, and container_cross_* |
| # if a Docker-based cross-compiler image is known for the target. |
| # Set got_cross_cc to yes/no depending on whether a non-container-based |
| # compiler was found. |
| # |
| # If TARGET is a user-mode emulation target, also set build_static to |
| # "y" if static linking is possible. |
| # |
| probe_target_compiler() { |
| # reset all output variables |
| got_cross_cc=no |
| container_image= |
| container_hosts= |
| container_cross_cc= |
| container_cross_ar= |
| container_cross_as= |
| container_cross_ld= |
| container_cross_nm= |
| container_cross_objcopy= |
| container_cross_ranlib= |
| container_cross_strip= |
| |
| # We shall skip configuring the target compiler if the user didn't |
| # bother enabling an appropriate guest. This avoids building |
| # extraneous firmware images and tests. |
| if test "${target_list#*$1}" = "$1"; then |
| return 1 |
| fi |
| |
| target_arch=${1%%-*} |
| case $target_arch 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 ;; |
| loongarch64) 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 $target_arch in |
| aarch64) |
| # We don't have any bigendian build tools so we only use this for AArch64 |
| container_image=debian-arm64-cross |
| container_cross_prefix=aarch64-linux-gnu- |
| container_cross_cc=${container_cross_prefix}gcc-10 |
| ;; |
| alpha) |
| container_image=debian-alpha-cross |
| container_cross_prefix=alpha-linux-gnu- |
| ;; |
| 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- |
| ;; |
| cris) |
| container_image=fedora-cris-cross |
| container_cross_prefix=cris-linux-gnu- |
| ;; |
| hexagon) |
| container_image=debian-hexagon-cross |
| container_cross_prefix=hexagon-unknown-linux-musl- |
| container_cross_cc=${container_cross_prefix}clang |
| ;; |
| hppa) |
| container_image=debian-hppa-cross |
| container_cross_prefix=hppa-linux-gnu- |
| ;; |
| i386) |
| container_image=fedora-i386-cross |
| container_cross_prefix= |
| ;; |
| loongarch64) |
| container_image=debian-loongarch-cross |
| container_cross_prefix=loongarch64-unknown-linux-gnu- |
| ;; |
| m68k) |
| container_image=debian-m68k-cross |
| container_cross_prefix=m68k-linux-gnu- |
| ;; |
| microblaze) |
| container_image=debian-microblaze-cross |
| container_cross_prefix=microblaze-linux-musl- |
| ;; |
| mips64el) |
| container_image=debian-mips64el-cross |
| container_cross_prefix=mips64el-linux-gnuabi64- |
| ;; |
| mips64) |
| container_image=debian-mips64-cross |
| container_cross_prefix=mips64-linux-gnuabi64- |
| ;; |
| mipsel) |
| container_image=debian-mipsel-cross |
| container_cross_prefix=mipsel-linux-gnu- |
| ;; |
| mips) |
| container_image=debian-mips-cross |
| container_cross_prefix=mips-linux-gnu- |
| ;; |
| nios2) |
| container_image=debian-nios2-cross |
| container_cross_prefix=nios2-linux-gnu- |
| ;; |
| ppc) |
| container_image=debian-powerpc-test-cross |
| container_cross_prefix=powerpc-linux-gnu- |
| container_cross_cc=${container_cross_prefix}gcc-10 |
| ;; |
| ppc64|ppc64le) |
| container_image=debian-powerpc-test-cross |
| container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- |
| container_cross_cc=${container_cross_prefix}gcc-10 |
| ;; |
| riscv64) |
| container_image=debian-riscv64-test-cross |
| container_cross_prefix=riscv64-linux-gnu- |
| ;; |
| s390x) |
| container_image=debian-s390x-cross |
| container_cross_prefix=s390x-linux-gnu- |
| ;; |
| sh4) |
| container_image=debian-sh4-cross |
| container_cross_prefix=sh4-linux-gnu- |
| ;; |
| sparc64) |
| container_image=debian-sparc64-cross |
| container_cross_prefix=sparc64-linux-gnu- |
| ;; |
| tricore) |
| container_image=debian-tricore-cross |
| container_cross_prefix=tricore- |
| container_cross_as=tricore-as |
| container_cross_ld=tricore-ld |
| break |
| ;; |
| x86_64) |
| container_image=debian-amd64-cross |
| container_cross_prefix=x86_64-linux-gnu- |
| ;; |
| 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- |
| ;; |
| 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} |
| done |
| |
| try=cross |
| case "$target_arch:$cpu" in |
| aarch64_be:aarch64 | \ |
| armeb:arm | \ |
| i386:x86_64 | \ |
| mips*:mips64 | \ |
| ppc*:ppc64 | \ |
| sparc:sparc64 | \ |
| "$cpu:$cpu") |
| try='native cross' ;; |
| esac |
| eval "target_cflags=\${cross_cc_cflags_$target_arch}" |
| for thistry in $try; do |
| case $thistry in |
| native) |
| target_cc=$cc |
| target_ccas=$ccas |
| target_ar=$ar |
| target_as=$as |
| target_ld=$ld |
| target_nm=$nm |
| target_objcopy=$objcopy |
| target_ranlib=$ranlib |
| target_strip=$strip |
| ;; |
| cross) |
| target_cc= |
| if eval test -n "\"\${cross_cc_$target_arch}\""; then |
| if eval has "\"\${cross_cc_$target_arch}\""; then |
| eval "target_cc=\"\${cross_cc_$target_arch}\"" |
| fi |
| else |
| compute_target_variable $target_arch target_cc gcc |
| fi |
| target_ccas=$target_cc |
| compute_target_variable $target_arch target_ar ar |
| compute_target_variable $target_arch target_as as |
| compute_target_variable $target_arch target_ld ld |
| compute_target_variable $target_arch target_nm nm |
| compute_target_variable $target_arch target_objcopy objcopy |
| compute_target_variable $target_arch target_ranlib ranlib |
| compute_target_variable $target_arch target_strip strip |
| ;; |
| esac |
| |
| if test -n "$target_cc"; then |
| case $target_arch in |
| i386|x86_64) |
| if $target_cc --version | grep -qi "clang"; then |
| continue |
| fi |
| ;; |
| esac |
| elif test -n "$target_as" && test -n "$target_ld"; then |
| # Special handling for assembler only targets |
| case $target in |
| tricore-softmmu) |
| build_static= |
| got_cross_cc=yes |
| break |
| ;; |
| *) |
| continue |
| ;; |
| esac |
| else |
| continue |
| fi |
| |
| write_c_skeleton |
| case $1 in |
| *-softmmu) |
| if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && |
| do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then |
| got_cross_cc=yes |
| break |
| fi |
| ;; |
| *) |
| if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then |
| build_static=y |
| got_cross_cc=yes |
| break |
| fi |
| if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then |
| build_static= |
| got_cross_cc=yes |
| break |
| fi |
| ;; |
| esac |
| done |
| if test $got_cross_cc != yes; then |
| build_static= |
| target_cc= |
| target_ccas= |
| target_ar= |
| target_as= |
| target_ld= |
| target_nm= |
| target_objcopy= |
| target_ranlib= |
| target_strip= |
| fi |
| test -n "$target_cc" |
| } |
| |
| write_target_makefile() { |
| echo "EXTRA_CFLAGS=$target_cflags" |
| if test -z "$target_cc" && test -z "$target_as"; then |
| test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" |
| echo "$1: docker-image-$container_image" >> Makefile.prereqs |
| if test -n "$container_cross_cc"; then |
| echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" |
| echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" |
| fi |
| echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" |
| echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" |
| echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" |
| echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" |
| echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" |
| echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" |
| echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" |
| else |
| if test -n "$target_cc"; then |
| echo "CC=$target_cc" |
| echo "CCAS=$target_ccas" |
| fi |
| if test -n "$target_ar"; then |
| echo "AR=$target_ar" |
| 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 |
| fi |
| } |
| |
| ########################################## |
| # 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 $QEMU_CFLAGS" |
| fi |
| |
| if test "$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 $QEMU_LDFLAGS" |
| fi |
| |
| ####################################### |
| # cross-compiled firmware targets |
| |
| # Set up build tree symlinks that point back into the source tree |
| # (these can be both files and directories). |
| # Caution: avoid adding files or directories here using wildcards. This |
| # will result in problems later if a new file matching the wildcard is |
| # added to the source tree -- nothing will cause configure to be rerun |
| # so the build tree will be missing the link back to the new file, and |
| # tests might fail. Prefer to keep the relevant files in their own |
| # directory and symlink the directory instead. |
| LINKS="Makefile" |
| LINKS="$LINKS docs/config" |
| 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 |
| |
| echo "# Automatically generated by configure - do not modify" > Makefile.prereqs |
| |
| # Mac OS X ships with a broken assembler |
| roms= |
| if have_target i386-softmmu x86_64-softmmu && \ |
| test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ |
| test "$targetos" != "haiku" && \ |
| probe_target_compiler i386-softmmu; 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 |
| write_target_makefile >> $config_mak |
| fi |
| |
| if have_target ppc-softmmu ppc64-softmmu && \ |
| probe_target_compiler ppc-softmmu; then |
| roms="$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 >> $config_mak |
| fi |
| |
| # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 |
| # (which is the lowest architecture level that Clang supports) |
| if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then |
| write_c_skeleton |
| do_compiler "$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 |
| |
| 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-QEMU}" >> $config_host_mak |
| echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak |
| echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/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" >> $config_host_mak |
| gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin) |
| else |
| gdb_bin="" |
| fi |
| fi |
| |
| if test "$container" != no; then |
| echo "ENGINE=$container" >> $config_host_mak |
| echo "RUNC=$runc" >> $config_host_mak |
| fi |
| echo "ROMS=$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" >> $config_host_mak |
| echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak |
| echo "QEMU_OBJCFLAGS=$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)" >> $config_host_mak |
| if test "$glib_has_gslice" = "yes" ; then |
| echo "HAVE_GLIB_WITH_SLICE_ALLOCATOR=y" >> $config_host_mak |
| fi |
| echo "QEMU_LDFLAGS=$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 configuration |
| (config_host_mak=tests/tcg/config-host.mak |
| mkdir -p tests/tcg |
| echo "# Automatically generated by configure - do not modify" > $config_host_mak |
| echo "SRC_PATH=$source_path" >> $config_host_mak |
| echo "HOST_CC=$host_cc" >> $config_host_mak |
| |
| # versioned checked in the main config_host.mak above |
| if test -n "$gdb_bin"; then |
| echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak |
| fi |
| if test "$plugins" = "yes" ; then |
| echo "CONFIG_PLUGIN=y" >> $config_host_mak |
| fi |
| |
| tcg_tests_targets= |
| for target in $target_list; do |
| arch=${target%%-*} |
| |
| case $target in |
| xtensa*-linux-user) |
| # the toolchain is not complete with headers, only build softmmu tests |
| continue |
| ;; |
| *-softmmu) |
| test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue |
| qemu="qemu-system-$arch" |
| ;; |
| *-linux-user|*-bsd-user) |
| qemu="qemu-$arch" |
| ;; |
| esac |
| |
| if probe_target_compiler $target || test -n "$container_image"; then |
| test -n "$container_image" && build_static=y |
| mkdir -p "tests/tcg/$target" |
| config_target_mak=tests/tcg/$target/config-target.mak |
| ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" |
| echo "# Automatically generated by configure - do not modify" > "$config_target_mak" |
| echo "TARGET_NAME=$arch" >> "$config_target_mak" |
| echo "TARGET=$target" >> "$config_target_mak" |
| write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" |
| echo "BUILD_STATIC=$build_static" >> "$config_target_mak" |
| echo "QEMU=$PWD/$qemu" >> "$config_target_mak" |
| |
| # will GDB work with these binaries? |
| if test "${gdb_arches#*$arch}" != "$gdb_arches"; then |
| echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak" |
| fi |
| |
| echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs |
| tcg_tests_targets="$tcg_tests_targets $target" |
| fi |
| done |
| |
| if test "$tcg" = "enabled"; then |
| echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak |
| fi |
| ) |
| |
| if test "$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 |
| |
| 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)]" >> $cross |
| echo "windmc = [$(meson_quote $windmc)]" >> $cross |
| if test "$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 "$smbd" != '' && meson_option_add "-Dsmbd=$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 |
| 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 |
| |
| 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 |
| preserve_env CXX |
| preserve_env CXXFLAGS |
| preserve_env LD |
| preserve_env LDFLAGS |
| preserve_env LD_LIBRARY_PATH |
| preserve_env MAKE |
| preserve_env NM |
| preserve_env OBJCFLAGS |
| 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 QEMU_GA_MANUFACTURER |
| preserve_env QEMU_GA_DISTRO |
| preserve_env QEMU_GA_VERSION |
| preserve_env SDL2_CONFIG |
| preserve_env SMBD |
| preserve_env STRIP |
| preserve_env WIDL |
| preserve_env WINDRES |
| preserve_env WINDMC |
| |
| 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" |
