Silence giflib warning on mac

BUG=skia:3601

Review URL: https://codereview.chromium.org/1046923004

diff --git a/gyp/giflib.gyp b/gyp/giflib.gyp
index 9263835..57b3c27 100644 (file)
--- a/gyp/giflib.gyp
+++ b/gyp/giflib.gyp
@@ -30,6 +30,11 @@
             'cflags': [
               '-w',
             ],
+            'xcode_settings': {
+              'WARNING_CFLAGS': [
+                '-w'
+              ],
+            },
             'sources': [
               '../third_party/externals/giflib/dgif_lib.c',
               '../third_party/externals/giflib/gifalloc.c',