Commit e92fdf01 authored by Ben Elliston's avatar Ben Elliston

Import from Autoconf sources:

	2005-09-06  Paul Eggert  <eggert@cs.ucla.edu>
	* move-if-change: Don't output "$2 is unchanged"; suggested by Ben
	Elliston.  Handle weird characters correctly.
parent 75833f08
2005-09-07 Ben Elliston <bje@au.ibm.com>
Import from Autoconf sources:
2005-09-06 Paul Eggert <eggert@cs.ucla.edu>
* move-if-change: Don't output "$2 is unchanged"; suggested by Ben
Elliston. Handle weird characters correctly.
2005-08-30 Phil Edwards <phil@codesourcery.com>
* configure.in (*-*-vxworks*): Add target-libstdc++-v3 to noconfigdirs.
......
#!/bin/sh
# Like mv $1 $2, but if the files are the same, just delete $1.
# Status is zero if successful, nonzero otherwise.
# Copyright (C) 1996 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 of the License, 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
usage="$0: usage: $0 SOURCE DEST"
if
test -r $2
then
if
cmp $1 $2 > /dev/null
then
echo $2 is unchanged
rm -f $1
else
mv -f $1 $2
fi
case $# in
2) ;;
*) echo "$usage" >&2; exit 1;;
esac
for arg in "$1" "$2"; do
case $arg in
-*) echo "$usage" >&2; exit 1;;
esac
done
if test -r "$2" && cmp -s "$1" "$2"; then
rm -f "$1"
else
mv -f $1 $2
mv -f "$1" "$2"
fi
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