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annotate m4/unlinkdir.m4 @ 9025:52ee545b5885

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Determine PATH_SEPARATOR and handle Windows PATH as well.
author Bruno Haible <bruno@clisp.org>
date Sun, 01 Jul 2007 13:01:40 +0000
parents 51a661790093
children f6cba5a556ce
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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51a661790093 * m4/unlinkdir.m4 (gl_UNLINKDIR): Fix m4 quoting bug.
Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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1 #serial 5
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2
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3 # Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
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4 #
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5 # This file is free software; the Free Software Foundation
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6 # gives unlimited permission to copy and/or distribute it,
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7 # with or without modifications, as long as this notice is preserved.
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8
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9 # Written by Paul Eggert.
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10
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11 AC_DEFUN([gl_UNLINKDIR],
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12 [
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13 AC_REQUIRE([AC_CANONICAL_HOST])
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fd0ccce602e4 Sync from coreutils.
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14 AC_CHECK_HEADERS_ONCE(priv.h)
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15
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16 AC_LIBOBJ([unlinkdir])
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17
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18 # The Hurd, the Linux kernel, the FreeBSD kernel version 2.2 and later,
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19 # and Cygwin never let anyone (even root) unlink directories.
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20 # If anyone knows of another system for which unlink can never
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21 # remove a directory, please report it to <bug-coreutils@gnu.org>.
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22 # Unfortunately this is difficult to test for, since it requires root access
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23 # and might create garbage in the file system,
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24 # so the code below simply relies on the kernel name and version number.
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25 case $host in
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parents: 7172
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26 *-*-gnu[[0-9]]* | \
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27 *-*-linux-* | *-*-linux | \
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28 *-*-freebsd2.2* | *-*-freebsd[[3-9]]* | *-*-freebsd[[1-9]][[0-9]]* | \
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29 *-cygwin)
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30 AC_DEFINE([UNLINK_CANNOT_UNLINK_DIR], 1,
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31 [Define to 1 if unlink (dir) cannot possibly succeed.]);;
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32 esac
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33 ])