-# sched_h.m4 serial 2
+# sched_h.m4 serial 3
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,
gl_CHECK_NEXT_HEADERS([sched.h])
- AC_CHECK_HEADERS_ONCE([sched.h])
if test $ac_cv_header_sched_h = yes; then
HAVE_SCHED_H=1
else