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-rw-r--r--src/builtin.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/builtin.c b/src/builtin.c
index 649dec3a..9b2d9a23 100644
--- a/src/builtin.c
+++ b/src/builtin.c
@@ -1,5 +1,6 @@
-#define _BSD_SOURCE
-#define _GNU_SOURCE
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
#ifndef __sun__
# define _XOPEN_SOURCE
# define _XOPEN_SOURCE_EXTENDED 1