Add -Wold-style-* flags
This time, I add them in configure only if target compiler supports it
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/configure b/configure
index e517406..69a5502 100755
--- a/configure
+++ b/configure
@@ -1686,6 +1686,16 @@
QEMU_CFLAGS="-I. -I\$(SRC_PATH) -MMD -MP -MT \$@ $QEMU_CFLAGS"
LDFLAGS="-g $LDFLAGS"
+gcc_flags="-Wold-style-declaration -Wold-style-definition"
+cat > $TMPC << EOF
+int main(void) { }
+EOF
+for flag in $gcc_flags; do
+ if compile_prog "$QEMU_CFLAGS" "$flag" ; then
+ QEMU_CFLAGS="$flag $QEMU_CFLAGS"
+ fi
+done
+
# Consult white-list to determine whether to enable werror
# by default. Only enable by default for git builds
if test -z "$werror" ; then