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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.
Rich Felker il y a 10 ans
Parent
commit
f929493c49
1 fichiers modifiés avec 1 ajouts et 1 suppressions
  1. 1 1
      include/features.h

+ 1 - 1
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