3 files changed, 12 insertions, 3 deletions
diff --git a/gnulib-tests/glthread/thread.c b/gnulib-tests/glthread/thread.c
index fdec8697..cec0b7c8 100644
--- a/gnulib-tests/glthread/thread.c
+++ b/gnulib-tests/glthread/thread.c
@@ -1,5 +1,5 @@
 /* Creating and controlling threads.
-   Copyright (C) 2005-2013 Free Software Foundation, Inc.
+   Copyright (C) 2005-2014 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gnulib-tests/glthread/thread.h b/gnulib-tests/glthread/thread.h
index 0d661096..509db6b3 100644
--- a/gnulib-tests/glthread/thread.h
+++ b/gnulib-tests/glthread/thread.h
@@ -1,5 +1,5 @@
 /* Creating and controlling threads.
-   Copyright (C) 2005-2013 Free Software Foundation, Inc.
+   Copyright (C) 2005-2014 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -74,6 +74,9 @@
 #include <errno.h>
 #include <stdlib.h>
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
 _GL_INLINE_HEADER_BEGIN
 #ifndef _GLTHREAD_THREAD_INLINE
 # define _GLTHREAD_THREAD_INLINE _GL_INLINE
@@ -120,7 +123,13 @@ extern int glthread_in_use (void);
    address of a function in libpthread that we don't use.  */
 
 #  pragma weak pthread_create
+
+#  ifdef __clang__
+  /* Without this, clang complains that pthread_sigmask is never declared.  */
+#   include <signal.h>
+#  endif
 #  pragma weak pthread_sigmask
+
 #  pragma weak pthread_join
 #  ifndef pthread_self
 #   pragma weak pthread_self
diff --git a/gnulib-tests/glthread/yield.h b/gnulib-tests/glthread/yield.h
index 12cb03b0..b9292247 100644
--- a/gnulib-tests/glthread/yield.h
+++ b/gnulib-tests/glthread/yield.h
@@ -1,5 +1,5 @@
 /* Yielding the processor to other threads and processes.
-   Copyright (C) 2005-2013 Free Software Foundation, Inc.
+   Copyright (C) 2005-2014 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by