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-rw-r--r--nptl/sysdeps/pthread/pthread.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/nptl/sysdeps/pthread/pthread.h b/nptl/sysdeps/pthread/pthread.h
index c4c9ec808c..18ccb83c50 100644
--- a/nptl/sysdeps/pthread/pthread.h
+++ b/nptl/sysdeps/pthread/pthread.h
@@ -718,7 +718,7 @@ extern int pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind)
 #endif
 
 
-#ifdef __USE_UNIX98
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
 /* Functions for handling read-write locks.  */
 
 /* Initialize read-write lock RWLOCK using attributes ATTR, or use