Assume C99 or later.

[bpt/emacs.git] / m4 / pthread_sigmask.m4

diff --git a/m4/pthread_sigmask.m4 b/m4/pthread_sigmask.m4
index f06bc11..4ba0732 100644 (file)
--- a/m4/pthread_sigmask.m4
+++ b/m4/pthread_sigmask.m4
@@ -1,11 +1,13 @@
-# pthread_sigmask.m4 serial 12
-dnl Copyright (C) 2011 Free Software Foundation, Inc.
+# pthread_sigmask.m4 serial 13
+dnl Copyright (C) 2011-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_PTHREAD_SIGMASK],
 [
+  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
+
   AC_CHECK_FUNCS_ONCE([pthread_sigmask])
   LIB_PTHREAD_SIGMASK=