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| author | Philippe Mathieu-Daudé | 2022-02-15 16:15:13 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé | 2022-03-15 13:36:33 +0100 |
| commit | 4cb37d1192e112159e3f8cb13de98a09fef502fa (patch) | |
| tree | e91965ff2a9c1491d5e08cbd983e1b322fa19a24 /configure | |
| parent | meson: Log QEMU_CXXFLAGS content in summary (diff) | |
| download | qemu-4cb37d1192e112159e3f8cb13de98a09fef502fa.tar.gz qemu-4cb37d1192e112159e3f8cb13de98a09fef502fa.tar.xz qemu-4cb37d1192e112159e3f8cb13de98a09fef502fa.zip | |
configure: Pass filtered QEMU_OBJCFLAGS to meson
Filter unsupported Objective-C options, to avoid
'unknown-warning-option' warnings when using Clang:
[34/373] Compiling Objective-C object libcommon.fa.p/audio_coreaudio.m.o
warning: unknown warning option '-Wold-style-declaration'; did you mean '-Wout-of-line-declaration'? [-Wunknown-warning-option]
warning: unknown warning option '-Wimplicit-fallthrough=2'; did you mean '-Wimplicit-fallthrough'? [-Wunknown-warning-option]
2 warnings generated.
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Tested-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -77,6 +77,7 @@ 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 @@ -148,6 +149,10 @@ 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 @@ -1445,10 +1450,27 @@ cc_has_warning_flag() { 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 @@ -2990,6 +3012,7 @@ 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 |