---
 linuxthreads/sysdeps/pthread/bits/libc-lock.h |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/linuxthreads/sysdeps/pthread/bits/libc-lock.h
+++ b/linuxthreads/sysdeps/pthread/bits/libc-lock.h
@@ -25,6 +25,10 @@
 
 #if defined _LIBC && !defined NOT_IN_libc
 #include <linuxthreads/internals.h>
+#else
+/* This function is called to initialize the pthread library.  */
+/* We need a prototype before it is bellow marked as weak */
+extern void __pthread_initialize (void);
 #endif
 
 /* Mutex type.  */
@@ -379,8 +383,10 @@
 weak_extern (__pthread_atfork)
 weak_extern (BP_SYM (_pthread_cleanup_push))
 weak_extern (BP_SYM (_pthread_cleanup_pop))
+#ifdef __USE_GNU
 weak_extern (BP_SYM (_pthread_cleanup_push_defer))
 weak_extern (BP_SYM (_pthread_cleanup_pop_restore))
+#endif
 # else
 #  pragma weak __pthread_mutex_init
 #  pragma weak __pthread_mutex_destroy
@@ -402,8 +408,10 @@
 #  pragma weak __pthread_once
 #  pragma weak __pthread_initialize
 #  pragma weak __pthread_atfork
+#ifdef __USE_GNU
 #  pragma weak _pthread_cleanup_push_defer
 #  pragma weak _pthread_cleanup_pop_restore
+#endif
 #  pragma weak _pthread_cleanup_push
 #  pragma weak _pthread_cleanup_pop
 # endif