[xemacs-hg @ 2004-12-05 08:06:41 by ben] Support package-prefix and fix mail-locking in configure configure.usage, configure.in, configure: Support --package-prefix and mmdf and pop arguments to --mail-locking. Document in configure.usage.

#!/bin/sh
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
else
mv -f $1 $2
fi