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authorTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 (GMT)
committerTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 (GMT)
commitfe856aa957978504137c1d425815d4ed8a22be40 (patch)
treea5bb46ce0e64b2056f75700eadbf27aba7c39418 /gl/m4/double-slash-root.m4
parent210f39bc84cfbb21cd72dc054e43f13815ee0616 (diff)
downloadmonitoring-plugins-fe856aa957978504137c1d425815d4ed8a22be40.tar.gz
Sync with gnulib - lots of extraneous code removed in preference to GNU code
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'gl/m4/double-slash-root.m4')
-rw-r--r--gl/m4/double-slash-root.m438
1 files changed, 38 insertions, 0 deletions
diff --git a/gl/m4/double-slash-root.m4 b/gl/m4/double-slash-root.m4
new file mode 100644
index 0000000..69d60d0
--- /dev/null
+++ b/gl/m4/double-slash-root.m4
@@ -0,0 +1,38 @@
1# double-slash-root.m4 serial 2 -*- Autoconf -*-
2dnl Copyright (C) 2006 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_DOUBLE_SLASH_ROOT],
8[
9 AC_REQUIRE([AC_CANONICAL_HOST])
10 AC_CACHE_CHECK([whether // is distinct from /], [gl_cv_double_slash_root],
11 [ if test x"$cross_compiling" = xyes ; then
12 # When cross-compiling, there is no way to tell whether // is special
13 # short of a list of hosts. However, the only known hosts to date
14 # that have a distinct // are Apollo DomainOS (too old to port to),
15 # Cygwin, and z/OS. If anyone knows of another system for which // has
16 # special semantics and is distinct from /, please report it to
17 # <bug-gnulib@gnu.org>.
18 case $host in
19 *-cygwin | i370-ibm-openedition)
20 gl_cv_double_slash_root=yes ;;
21 *)
22 # Be optimistic and assume that / and // are the same when we
23 # don't know.
24 gl_cv_double_slash_root='unknown, assuming no' ;;
25 esac
26 else
27 set x `ls -di / //`
28 if test $[2] = $[4] && wc //dev/null >/dev/null 2>&1; then
29 gl_cv_double_slash_root=no
30 else
31 gl_cv_double_slash_root=yes
32 fi
33 fi])
34 if test "$gl_cv_double_slash_root" = yes; then
35 AC_DEFINE([DOUBLE_SLASH_IS_DISTINCT_ROOT], 1,
36 [Define to 1 if // is a file system root distinct from /.])
37 fi
38])