Module: libav
Branch: master
Commit: 4d25c2bc76f0a708c2ba470b6bfeb547efe37115

Author:    Katerina Barone-Adesi <[email protected]>
Committer: Luca Barbato <[email protected]>
Date:      Fri May 16 18:07:34 2014 +0200

build: Support building using clang-usan and disable-optimization

Clang Undefined Behaviour Sanitizer seems to make non-constant constant
expressions, making the compilation fail when they are used within
inline assembly if no optimization is requested.

Add -O1 to the cflags to hide the misbehaviour.

Bug-Id: 683

---

 configure |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 6f84dfa..74a4df1 100755
--- a/configure
+++ b/configure
@@ -2443,7 +2443,7 @@ case "$toolchain" in
     ;;
     clang-usan)
         cc_default="clang"
-        add_cflags  -fsanitize=undefined
+        add_cflags  -fsanitize=undefined -O1
         add_ldflags -fsanitize=undefined
     ;;
     gcc-asan)

_______________________________________________
libav-commits mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-commits

Reply via email to