Bug 1336329 - Pass clang value from mozbuild to gyp. r=jesup

MozReview-Commit-ID: Kjp3R1TUelS

build/gyp.mozbuild

@@ -18,6 +18,7 @@ gyp_vars.update({
     'include_pulse_audio': 1 if CONFIG['MOZ_PULSEAUDIO'] else 0,
     # basic stuff for everything
     'include_internal_video_render': 0,
+    'clang': 1 if CONFIG['CLANG_CXX'] else 0,
     'clang_use_chrome_plugins': 0,
     'enable_protobuf': 0,
     'include_tests': 0,

media/webrtc/moz.build

@@ -95,11 +95,6 @@ if CONFIG['MOZ_WEBRTC_SIGNALING']:
 
     GYP_DIRS['signaling'].non_unified_sources += signaling_non_unified_sources
 
-    # We can't enable warnings-as-errors for clang on Linux because of
-    # some warnings in clang static analysis and ASan builds on Linux.
-    if CONFIG['CLANG_CXX'] and CONFIG['OS_ARCH'] == 'Linux':
-        GYP_DIRS['signaling'].sandbox_vars['ALLOW_COMPILER_WARNINGS'] = True
-
     if CONFIG['_MSC_VER']:
         # Avoid warnings from third-party code that we can not modify.
         if CONFIG['CLANG_CL']:
@@ -129,10 +124,5 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] != 'gonk':
 
         GYP_DIRS['signalingtest'].non_unified_sources += signaling_non_unified_sources
 
-        # We can't enable warnings-as-errors for clang on Linux because of
-        # some warnings in clang static analysis and ASan builds on Linux.
-        if CONFIG['CLANG_CXX'] and CONFIG['OS_ARCH'] == 'Linux':
-            GYP_DIRS['signalingtest'].sandbox_vars['ALLOW_COMPILER_WARNINGS'] = True
-
 if CONFIG['ENABLE_TESTS']:
     DIRS += ['signaling/fuzztest']