X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fsched_h.m4;h=28b6dbd5bb453b2302b659ed59bb67403dd7b71e;hb=f55bb4f13cc783805ac42d4ecf6e75999902b879;hp=9cff891950df8b122c211fda0b01c853716ac542;hpb=76d82d2d7f5ba1a69da6aaa71ff170f5a90a6c94;p=gnulib.git

diff --git a/m4/sched_h.m4 b/m4/sched_h.m4
index 9cff89195..28b6dbd5b 100644
--- a/m4/sched_h.m4
+++ b/m4/sched_h.m4
@@ -1,4 +1,4 @@
-# sched_h.m4 serial 4
+# sched_h.m4 serial 6
 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -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"])