diff --git a/configure b/configure index 2bf40d9eebd629712a781163ed72e8827219cc14..cd4946b43ee8a054b50285f1cf5e28d9afe11898 100755 --- a/configure +++ b/configure @@ -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 diff --git a/meson.build b/meson.build index 5fed23847b592e7444f8e95cead9dfd81a22e53b..cb24d306979dc26b2f3785357bab41c6a66ff692 100644 --- a/meson.build +++ b/meson.build @@ -173,11 +173,13 @@ endif qemu_cflags = config_host['QEMU_CFLAGS'].split() qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split() +qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split() qemu_ldflags = config_host['QEMU_LDFLAGS'].split() if get_option('gprof') qemu_cflags += ['-p'] qemu_cxxflags += ['-p'] + qemu_objcflags += ['-p'] qemu_ldflags += ['-p'] endif @@ -216,8 +218,9 @@ if get_option('fuzzing') endif endif -add_global_arguments(qemu_cflags, native: false, language: ['c', 'objc']) +add_global_arguments(qemu_cflags, native: false, language: ['c']) add_global_arguments(qemu_cxxflags, native: false, language: ['cpp']) +add_global_arguments(qemu_objcflags, native: false, language: ['objc']) add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc']) if targetos == 'linux' @@ -3481,6 +3484,7 @@ if link_args.length() > 0 endif summary_info += {'QEMU_CFLAGS': config_host['QEMU_CFLAGS']} summary_info += {'QEMU_CXXFLAGS': config_host['QEMU_CXXFLAGS']} +summary_info += {'QEMU_OBJCFLAGS': config_host['QEMU_OBJCFLAGS']} summary_info += {'QEMU_LDFLAGS': config_host['QEMU_LDFLAGS']} summary_info += {'profiler': get_option('profiler')} summary_info += {'link-time optimization (LTO)': get_option('b_lto')}