X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fsched_h.m4;h=931358fdb770db996cc71c27ae39ac9931e5b1af;hb=5191b3546cfb6c163228c23f214e325ddf60d46f;hp=9cff891950df8b122c211fda0b01c853716ac542;hpb=76d82d2d7f5ba1a69da6aaa71ff170f5a90a6c94;p=gnulib.git

diff --git a/m4/sched_h.m4 b/m4/sched_h.m4
index 9cff89195..931358fdb 100644
--- a/m4/sched_h.m4
+++ b/m4/sched_h.m4
@@ -1,5 +1,5 @@
-# sched_h.m4 serial 4
-dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
+# sched_h.m4 serial 6
+dnl Copyright (C) 2008-2013 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.
@@ -13,6 +13,7 @@ AC_DEFUN([gl_SCHED_H],
        #include <sched.h>
        struct sched_param a;
        int b[] = { SCHED_FIFO, SCHED_RR, SCHED_OTHER };
+       pid_t t1;
      ]])],
     [SCHED_H=''],
     [SCHED_H='sched.h'
@@ -30,6 +31,9 @@ AC_DEFUN([gl_SCHED_H],
        [HAVE_STRUCT_SCHED_PARAM=1], [HAVE_STRUCT_SCHED_PARAM=0],
        [#include <sched.h>])
      AC_SUBST([HAVE_STRUCT_SCHED_PARAM])
+
+     dnl Ensure the type pid_t gets defined.
+     AC_REQUIRE([AC_TYPE_PID_T])
     ])
   AC_SUBST([SCHED_H])
   AM_CONDITIONAL([GL_GENERATE_SCHED_H], [test -n "$SCHED_H"])