From 0a3fae419f654ceb4c708300f7bd7702cbb12db1 Mon Sep 17 00:00:00 2001
From: "gtm.daemon" <gtm.daemon@7dc7ac4e-7543-0410-b95c-c1676fc8e2a3>
Date: Thu, 31 Jan 2013 13:00:21 +0000
Subject: Fix nonnull detection on older GCC.

DELTA=6  (4 added, 0 deleted, 2 changed)
---
 GTMDefines.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'GTMDefines.h')

diff --git a/GTMDefines.h b/GTMDefines.h
index 5a41e6e..c295848 100644
--- a/GTMDefines.h
+++ b/GTMDefines.h
@@ -341,8 +341,12 @@
 #endif
 
 #ifndef GTM_NONNULL
-  #if __has_attribute(nonnull)
-    #define GTM_NONNULL(x) __attribute__((nonnull x))
+  #if defined(__has_attribute)
+    #if __has_attribute(nonnull)
+      #define GTM_NONNULL(x) __attribute__((nonnull x))
+    #else
+      #define GTM_NONNULL(x)
+    #endif
   #else
     #define GTM_NONNULL(x)
   #endif
-- 
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