utils: fix double definition for _GNU_SOURCE

Signed-off-by: Giuseppe Scrivano <[email protected]>
containers · Mar 4, 2021 · 446e99e · 446e99e
1 parent 5df0636
commit 446e99e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/utils.h b/utils.h
@@ -18,7 +18,9 @@
 #ifndef UTILS_H
 # define UTILS_H
 
+#ifndef _GNU_SOURCE
 # define _GNU_SOURCE
+#endif
 
 # include <config.h>