Don't try to set HAVE_EBP_AVAILABLE on posix x86.

rogerwang · rogerwang · commit 3ba3abb3ef52 · 2018-02-24T09:38:32.000+08:00
https://bugs.chromium.org/p/chromium/issues/detail?id=796379
diff --git a/patch/patches/ffmpeg.patch b/patch/patches/ffmpeg.patch
@@ -1,8 +1,17 @@
 diff --git a/BUILD.gn b/BUILD.gn
-index b82808b973..f8924f9e39 100755
+index 01535c488b..180c1a7769 100755
 --- BUILD.gn
 +++ BUILD.gn
-@@ -415,6 +415,12 @@ if (is_component_ffmpeg) {
+@@ -247,7 +247,7 @@ target(link_target_type, "ffmpeg_internal") {
+     # On POSIX x86, sanitizers will fail to compiler the H264 CABAC code due to
+     # insufficient registers unless we disable EBP usage. crbug.com/786760
+     if (target_cpu == "x86") {
+-      if (using_sanitizer) {
++      if (true) {
+         defines += [ "HAVE_EBP_AVAILABLE=0" ]
+       } else {
+         defines += [ "HAVE_EBP_AVAILABLE=1" ]
+@@ -393,6 +393,12 @@ if (is_component_ffmpeg) {
      # So we can append below and assume they're defined.
      ldflags = []
  
