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-rw-r--r--utils/ldd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/utils/ldd.c b/utils/ldd.c
index 9196893cb..dbd2f6de8 100644
--- a/utils/ldd.c
+++ b/utils/ldd.c
@@ -26,7 +26,9 @@
*
*/
-#define _GNU_SOURCE
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>