We already have these defined.

libpthread/nptl/pthread-errnos.sym

@@ -1,12 +0,0 @@
-#include <errno.h>
-
--- These errno codes are used by some assembly code.
-
-EAGAIN		EAGAIN
-EBUSY		EBUSY
-EDEADLK		EDEADLK
-EINTR		EINTR
-EINVAL		EINVAL
-ENOSYS		ENOSYS
-ETIMEDOUT	ETIMEDOUT
-EWOULDBLOCK	EWOULDBLOCK