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authorManoj Srivastava <srivasta@debian.org>2008-05-30 12:42:47 -0700
committerManoj Srivastava <srivasta@debian.org>2008-05-30 12:42:47 -0700
commitceb3507a8fca872770b3dcd7e5c5b36179ab95b0 (patch)
treeb46b4e25cfff5f4c13a330b8428ceed343e3796c /mcon/U/issymlink.U
Import dist_3.5-236.orig.tar.gz
[dgit import orig dist_3.5-236.orig.tar.gz]
Diffstat (limited to 'mcon/U/issymlink.U')
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1 files changed, 86 insertions, 0 deletions
diff --git a/mcon/U/issymlink.U b/mcon/U/issymlink.U
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+?RCS: $Id$
+?RCS:
+?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic License,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?RCS:
+?RCS: Original Author: Andy Dougherty <doughera@lafcol.lafayette.edu>
+?RCS:
+?RCS: $Log: lns.U,v $
+?RCS: Revision 3.0.1.1 1994/06/20 07:05:52 ram
+?RCS: patch30: created by ADO
+?RCS:
+?MAKE:issymlink: lns test rm
+?MAKE: -pick add $@ %<
+?S:issymlink:
+?S: This variable holds the test command to test for a symbolic link
+?S: (if they are supported). Typical values include 'test -h' and
+?S: 'test -L'.
+?S:.
+?T:pth p
+?LINT:change PATH test
+?LINT:extern newsh
+: determine whether symbolic links are supported
+echo " "
+case "$lns" in
+*"ln"*" -s")
+ echo "Checking how to test for symbolic links..." >&4
+ $lns blurfl sym
+ if $test "X$issymlink" = X; then
+?X:
+?X: In some AIX 4 versions the (ksh) builtin test (-h) is broken.
+?X:
+ case "$newsh" in
+ '') sh -c "PATH= test -h sym" >/dev/null 2>&1 ;;
+ *) $newsh -c "PATH= test -h sym" >/dev/null 2>&1 ;;
+ esac
+ if test $? = 0; then
+ issymlink="test -h"
+ else
+ echo "Your builtin 'test -h' may be broken." >&4
+ case "$test" in
+ /*) ;;
+ *) pth=`echo $PATH | sed -e "s/$p_/ /g"`
+ for p in $pth
+ do
+ if test -f "$p/$test"; then
+ test="$p/$test"
+ break
+ fi
+ done
+ ;;
+ esac
+ case "$test" in
+ /*)
+ echo "Trying external '$test -h'." >&4
+ issymlink="$test -h"
+ if $test ! -h sym >/dev/null 2>&1; then
+ echo "External '$test -h' is broken, too." >&4
+ issymlink=''
+ fi
+ ;;
+ *) issymlink='' ;;
+ esac
+ fi
+ fi
+ if $test "X$issymlink" = X; then
+ if $test -L sym 2>/dev/null; then
+ issymlink="$test -L"
+ echo "The builtin '$test -L' worked." >&4
+ fi
+ fi
+ if $test "X$issymlink" != X; then
+ echo "You can test for symbolic links with '$issymlink'." >&4
+ else
+ echo "I do not know how you can test for symbolic links." >&4
+ fi
+ $rm -f blurfl sym
+ ;;
+*) echo "No symbolic links, so not testing for their testing..." >&4
+ ;;
+esac
+