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-rw-r--r--lib/putenv.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/putenv.c b/lib/putenv.c
index 87c552281..2d194046c 100644
--- a/lib/putenv.c
+++ b/lib/putenv.c
@@ -26,10 +26,7 @@
/* Include errno.h *after* sys/types.h to work around header problems
on AIX 3.2.5. */
#include <errno.h>
-#if !_LIBC
-# if !defined errno
-extern int errno;
-# endif
+#ifndef __set_errno
# define __set_errno(ev) ((errno) = (ev))
#endif