From: Marc-André Lureau <marcandre.lur...@redhat.com>
Enable ASAN/UBSan by default if the compiler supports it.
Typical slowdown introduced by AddressSanitizer is 2x.
UBSan shouldn't have much impact on runtime cost.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Message-Id: <20180104160523.22995-8-marcandre.lur...@redhat.com>
Tested-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
configure | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/configure b/configure
index 6f1b7cd..d033286 100755
--- a/configure
+++ b/configure
@@ -5195,6 +5195,13 @@ if test "$gcov" = "yes" ; then
elif test "$fortify_source" = "yes" ; then
CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
elif test "$debug" = "yes"; then
+ write_c_skeleton;
+ if compile_prog "-fsanitize=address" ""; then
+ CFLAGS="-fsanitize=address $CFLAGS"
+ fi
+ if compile_prog "-fsanitize=undefined" ""; then
+ CFLAGS="-fsanitize=undefined $CFLAGS"
+ fi
if compile_prog "-Og" ""; then
CFLAGS="-Og $CFLAGS"
elif compile_prog "-O1" ""; then
--
1.8.3.1
