summaryrefslogtreecommitdiffstats
path: root/configure
diff options
context:
space:
mode:
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure23
1 files changed, 23 insertions, 0 deletions
diff --git a/configure b/configure
index 2bf40d9eeb..cd4946b43e 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