maint: update copyright

[gnulib.git] / m4 / fatal-signal.m4

diff --git a/m4/fatal-signal.m4 b/m4/fatal-signal.m4
index 058be4d..d3edf64 100644 (file)
--- a/m4/fatal-signal.m4
+++ b/m4/fatal-signal.m4
@@ -1,15 +1,12 @@
-# fatal-signal.m4 serial 3
-dnl Copyright (C) 2003-2004 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# fatal-signal.m4 serial 9
+dnl Copyright (C) 2003-2004, 2006, 2008-2014 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_FATAL_SIGNAL],
 [
-  AC_REQUIRE([gt_SIGNALBLOCKING])
   AC_REQUIRE([gt_TYPE_SIG_ATOMIC_T])
-  AC_CHECK_HEADERS_ONCE(unistd.h)
-  AC_CHECK_FUNCS(raise sigaction)
+  AC_CHECK_HEADERS_ONCE([unistd.h])
+  gl_PREREQ_SIG_HANDLER_H
 ])