--- libxcrypt-2.4/src/crypt_util.c	2013-06-13 21:11:51.036822617 +0200
+++ libxcrypt-2.4_O/src/crypt_util.c	2006-01-06 01:02:01.000000000 +0100
@@ -29,7 +29,8 @@
 #endif
 #include <string.h>
 
-#include <pthread.h>
+#include <bits/libc-lock.h>
+#define __libc_lock_t pthread_mutex_t
 
 #ifndef STATIC
 #define STATIC static
@@ -263,7 +264,7 @@
  */
 struct crypt_data _ufc_foobar;
 
-static pthread_mutex_t _ufc_tables_lock = PTHREAD_MUTEX_INITIALIZER;
+__libc_lock_define_initialized (static, _ufc_tables_lock)
 
 #ifdef DEBUG
 
@@ -361,7 +362,7 @@
 #endif
 
   if(small_tables_initialized == 0) {
-    pthread_mutex_lock (&_ufc_tables_lock);
+    __libc_lock_lock (_ufc_tables_lock);
     if(small_tables_initialized)
       goto small_tables_done;
 
@@ -466,7 +467,7 @@
     }
     small_tables_initialized = 1;
 small_tables_done:
-    pthread_mutex_unlock(&_ufc_tables_lock);
+    __libc_lock_unlock(_ufc_tables_lock);
   }
 
   /*