Add G_GNUC_PURE macro (but don't use it anywhere).

[platform/upstream/glib.git] / glib.h

diff --git a/glib.h b/glib.h
index f03db3f..155d66c 100644 (file)
--- a/glib.h
+++ b/glib.h
@@ -271,6 +271,13 @@ extern "C" {
 
 /* Provide macros to feature the GCC function attribute.
  */
+#if    __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+#define G_GNUC_PURE                            \
+  __attribute__((pure))
+#else
+#define G_GNUC_PURE
+#endif
+
 #if    __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
 #define G_GNUC_PRINTF( format_idx, arg_idx )   \
   __attribute__((format (printf, format_idx, arg_idx)))