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-rw-r--r--m4/signal_h.m43
1 files changed, 2 insertions, 1 deletions
diff --git a/m4/signal_h.m4 b/m4/signal_h.m4
index e69befd0ed..df6a3ba868 100644
--- a/m4/signal_h.m4
+++ b/m4/signal_h.m4
@@ -1,4 +1,4 @@
-# signal_h.m4 serial 7
+# signal_h.m4 serial 8
dnl Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -14,6 +14,7 @@ AC_DEFUN([gl_SIGNAL_H],
[HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=0], [[
#include <signal.h>
]])
+ AC_REQUIRE([AC_TYPE_UID_T])
])
AC_DEFUN([gl_SIGNAL_MODULE_INDICATOR],