diff --git a/configure b/configure
index c8e01fac549..e8c2ddf0a4f 100755
--- a/configure
+++ b/configure
@@ -11543,6 +11543,11 @@ fi
 
 
 
+
+
+
+
+
 
 
 
@@ -11580,6 +11585,11 @@ for ac_func in \
 	pclose \
 	popen \
 	pread \
+	pthread_getspecific \
+	pthread_key_create \
+	pthread_mutex_lock \
+	pthread_mutex_unlock \
+	pthread_setspecific \
 	pwrite \
 	rfork \
 	select \
diff --git a/configure.ac b/configure.ac
index 3223e3e889c..c72b7399629 100644
--- a/configure.ac
+++ b/configure.ac
@@ -947,6 +947,11 @@ AC_CHECK_FUNCS(\
 	pclose \
 	popen \
 	pread \
+	pthread_getspecific \
+	pthread_key_create \
+	pthread_mutex_lock \
+	pthread_mutex_unlock \
+	pthread_setspecific \
 	pwrite \
 	rfork \
 	select \
diff --git a/include/config.h.in b/include/config.h.in
index 57a0439f9db..a0124e6b63a 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -368,6 +368,21 @@
 /* Define to 1 if you have the `pread' function. */
 #undef HAVE_PREAD
 
+/* Define to 1 if you have the `pthread_getspecific' function. */
+#undef HAVE_PTHREAD_GETSPECIFIC
+
+/* Define to 1 if you have the `pthread_key_create' function. */
+#undef HAVE_PTHREAD_KEY_CREATE
+
+/* Define to 1 if you have the `pthread_mutex_lock' function. */
+#undef HAVE_PTHREAD_MUTEX_LOCK
+
+/* Define to 1 if you have the `pthread_mutex_unlock' function. */
+#undef HAVE_PTHREAD_MUTEX_UNLOCK
+
+/* Define to 1 if you have the `pthread_setspecific' function. */
+#undef HAVE_PTHREAD_SETSPECIFIC
+
 /* Define to 1 if you have the <pty.h> header file. */
 #undef HAVE_PTY_H
 
diff --git a/library/port.c b/library/port.c
index 25fd4b73960..ddb4283223b 100644
--- a/library/port.c
+++ b/library/port.c
@@ -679,6 +679,30 @@ void *wine_memcpy_unaligned( void *dst, const void *src, size_t size )
 #endif
 
 
+/***********************************************************************
+ *		pthread functions
+ */
+
+#ifndef HAVE_PTHREAD_GETSPECIFIC
+void pthread_getspecific() { assert(0); }
+#endif
+
+#ifndef HAVE_PTHREAD_KEY_CREATE
+void pthread_key_create() { assert(0); }
+#endif
+
+#ifndef HAVE_PTHREAD_MUTEX_LOCK
+void pthread_mutex_lock() { assert(0); }
+#endif
+
+#ifndef HAVE_PTHREAD_MUTEX_UNLOCK
+void pthread_mutex_unlock() { assert(0); }
+#endif
+
+#ifndef HAVE_PTHREAD_SETSPECIFIC
+void pthread_setspecific() { assert(0); }
+#endif
+
 /***********************************************************************
  *		interlocked functions
  */
diff --git a/scheduler/pthread.c b/scheduler/pthread.c
index 7bf27f6723a..bc5cf813f2b 100644
--- a/scheduler/pthread.c
+++ b/scheduler/pthread.c
@@ -44,7 +44,12 @@
  * If they are not available, the libc defaults to
  * non-threadsafe operation (not good). */
 
-#if defined(__GLIBC__)
+#if defined(__GLIBC__) || defined(__FreeBSD__)
+
+#ifndef __USE_UNIX98
+#define __USE_UNIX98
+#endif
+
 #include <pthread.h>
 #include <signal.h>
 
@@ -368,7 +373,7 @@ strong_alias(__pthread_mutexattr_setkind_np, pthread_mutexattr_setkind_np);
 
 int __pthread_mutexattr_getkind_np(pthread_mutexattr_t *attr, int *kind)
 {
-  *kind = PTHREAD_MUTEX_RECURSIVE_NP;
+  *kind = PTHREAD_MUTEX_RECURSIVE;
   return 0;
 }
 strong_alias(__pthread_mutexattr_getkind_np, pthread_mutexattr_getkind_np);
@@ -381,7 +386,7 @@ strong_alias(__pthread_mutexattr_settype, pthread_mutexattr_settype);
 
 int __pthread_mutexattr_gettype(pthread_mutexattr_t *attr, int *kind)
 {
-  *kind = PTHREAD_MUTEX_RECURSIVE_NP;
+  *kind = PTHREAD_MUTEX_RECURSIVE;
   return 0;
 }
 strong_alias(__pthread_mutexattr_gettype, pthread_mutexattr_gettype);