-# signal_h.m4 serial 16
+# signal_h.m4 serial 17
dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
#include <signal.h>
]])
+ dnl Ensure the type pid_t gets defined.
+ AC_REQUIRE([AC_TYPE_PID_T])
+
AC_REQUIRE([AC_TYPE_UID_T])
dnl Persuade glibc <signal.h> to define sighandler_t.