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-rw-r--r--m4/signalblocking.m48
1 files changed, 5 insertions, 3 deletions
diff --git a/m4/signalblocking.m4 b/m4/signalblocking.m4
index 15b7425..ab8035e 100644
--- a/m4/signalblocking.m4
+++ b/m4/signalblocking.m4
@@ -1,5 +1,5 @@
-# signalblocking.m4 serial 12
-dnl Copyright (C) 2001-2002, 2006-2011 Free Software Foundation, Inc.
+# signalblocking.m4 serial 13
+dnl Copyright (C) 2001-2002, 2006-2012 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.
@@ -22,4 +22,6 @@ AC_DEFUN([gl_SIGNALBLOCKING],
])
# Prerequisites of lib/sigprocmask.c.
-AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:])
+AC_DEFUN([gl_PREREQ_SIGPROCMASK], [
+ AC_REQUIRE([AC_C_INLINE])
+])