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authorRich Felker <dalias@aerifal.cx>2014-09-10 12:40:38 -0400
committerRich Felker <dalias@aerifal.cx>2014-09-10 12:40:38 -0400
commitf929493c49bbb304832b27e1e2b919aa19ddf470 (patch)
tree64098fb95c78288894d55b9052ec654faa6a79b1
parentab8f6a6e42ff893041f7545a23e6d6a0edde07fb (diff)
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fix _ALL_SOURCE logic to avoid possible redefinition of _GNU_SOURCE
this could be an error if _GNU_SOURCE was already defined differently
by the application.
-rw-r--r--include/features.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/features.h b/include/features.h
index 294c61dd..61ad2f5b 100644
--- a/include/features.h
+++ b/include/features.h
@@ -1,7 +1,7 @@
 #ifndef _FEATURES_H
 #define _FEATURES_H
 
-#ifdef _ALL_SOURCE
+#if defined(_ALL_SOURCE) && !defined(_GNU_SOURCE)
 #define _GNU_SOURCE 1
 #endif