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-rw-r--r--include/features.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/features.h b/include/features.h
index f5b8cf74e..d08b7496a 100644
--- a/include/features.h
+++ b/include/features.h
@@ -80,6 +80,9 @@
# define __KERNEL_STRICT_NAMES
#endif
+#ifdef _GNU_SOURCE
+# define __USE_GNU 1
+#endif
#include <sys/cdefs.h>