Use a few more gcc warning flags

If the compiler supports the following warning flags, use them:

-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers
-Wmissing-include-dirs

Currently, these flags don't produce any warnings.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

diff --git a/configure b/configure
index 29d3548ac8253bbd4817f0efa83b716c982b197c..506f29ceb2f12865c6232ef445a4bc3b61c0f8b1 100755 (executable)
--- a/configure
+++ b/configure
@@ -138,7 +138,10 @@ QEMU_CFLAGS="-D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
 QEMU_CFLAGS="-I. -I\$(SRC_PATH) $QEMU_CFLAGS"
 LDFLAGS="-g $LDFLAGS"
 
-gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-all"
+gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
+gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
+gcc_flags="-Wmissing-include-dirs $gcc_flags"
+gcc_flags="-fstack-protector-all $gcc_flags"
 cat > $TMPC << EOF
 int main(void) { return 0; }
 EOF