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-rw-r--r--libc/sysdeps/linux/common/cmsg_nxthdr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/cmsg_nxthdr.c b/libc/sysdeps/linux/common/cmsg_nxthdr.c
index fda37f37a..050470244 100644
--- a/libc/sysdeps/linux/common/cmsg_nxthdr.c
+++ b/libc/sysdeps/linux/common/cmsg_nxthdr.c
@@ -17,6 +17,8 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#define __FORCE_GLIBC__
+#include <features.h>
#include <sys/socket.h>