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# stat-prog.m4 serial 2
# Record the prerequisites of src/stat.c from the coreutils package.

# Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# Written by Jim Meyering.

AC_DEFUN([cu_PREREQ_STAT_PROG],
[
  AC_CHECK_HEADERS_ONCE(sys/param.h sys/sysmacros.h sys/statvfs.h sys/vfs.h)
  AC_CHECK_HEADERS(sys/mount.h, [], [],
    [AC_INCLUDES_DEFAULT
     [#if HAVE_SYS_PARAM_H
       #include <sys/param.h>
      #endif]])
  AC_CHECK_FUNCS_ONCE(statvfs)

  # For `struct statfs' on Ultrix 4.4.
  AC_CHECK_HEADERS([netinet/in.h nfs/nfs_clnt.h nfs/vfs.h],,,
    [AC_INCLUDES_DEFAULT])

  AC_REQUIRE([gl_AC_TYPE_LONG_LONG])
  AC_REQUIRE([gt_HEADER_INTTYPES_H])

  statxfs_includes="\
$ac_includes_default
#if HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#if HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif
#if !HAVE_SYS_STATVFS_H && !HAVE_SYS_VFS_H
# if HAVE_SYS_MOUNT_H && HAVE_SYS_PARAM_H
/* NetBSD 1.5.2 needs these, for the declaration of struct statfs. */
#  include <sys/param.h>
#  include <sys/mount.h>
# elif HAVE_NETINET_IN_H && HAVE_NFS_NFS_CLNT_H && HAVE_NFS_VFS_H
/* Ultrix 4.4 needs these for the declaration of struct statfs.  */
#  include <netinet/in.h>
#  include <nfs/nfs_clnt.h>
#  include <nfs/vfs.h>
# endif
#endif
"
  AC_CHECK_MEMBERS([struct statfs.f_basetype],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statvfs.f_basetype],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statfs.f_type],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statvfs.f_type],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statfs.f_fsid.__val],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statvfs.f_fsid.__val],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statfs.f_namemax],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statvfs.f_namemax],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statfs.f_namelen],,,[$statxfs_includes])
  AC_CHECK_MEMBERS([struct statvfs.f_namelen],,,[$statxfs_includes])
])