Enable override keyword for GCC versions >= 4.7

Review URL: https://codereview.chromium.org/945803005

diff --git a/include/core/SkPostConfig.h b/include/core/SkPostConfig.h
index ad0098f..41ad930 100644 (file)
--- a/include/core/SkPostConfig.h
+++ b/include/core/SkPostConfig.h
@@ -302,6 +302,9 @@
 #    elif defined(__has_extension) && __has_extension(cxx_override_control)
 #      define SK_OVERRIDE override
 #    endif
+   // if GCC >= 4.7
+#  elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
+#    define SK_OVERRIDE override
 #  endif
 #  ifndef SK_OVERRIDE
 #    define SK_OVERRIDE