b=880492 use GCC's typeof when decltype is not available r=Waldo
authorKarl Tomlinson <karlt+@karlt.net>
Mon, 10 Jun 2013 12:37:16 +1200
changeset 145960 03b0f599a0031258b5477c65b2cf75a9363dc476
parent 145959 b6e14855f129dcf002dc726fa25e87e90c26c8c6
child 145961 43d505a966f30f3a2d4297086bb887187af11762
push id2697
push userbbajaj@mozilla.com
push dateMon, 05 Aug 2013 18:49:53 +0000
treeherdermozilla-beta@dfec938c7b63 [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
reviewersWaldo
bugs880492
milestone24.0a1
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b=880492 use GCC's typeof when decltype is not available r=Waldo
mfbt/Types.h
--- a/mfbt/Types.h
+++ b/mfbt/Types.h
@@ -128,9 +128,17 @@
 #ifdef __cplusplus
 #  define MOZ_BEGIN_EXTERN_C    extern "C" {
 #  define MOZ_END_EXTERN_C      }
 #else
 #  define MOZ_BEGIN_EXTERN_C
 #  define MOZ_END_EXTERN_C
 #endif
 
+/*
+ * GCC's typeof is available when decltype is not.
+ */
+#if defined(__GNUC__) && defined(__cplusplus) && \
+  !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
+#  define decltype __typeof__
+#endif
+
 #endif  /* mozilla_Types_h_ */