From c5f3dafb2941f14fb2a9b8fa91e72ba377211c0e Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Fri, 17 Jul 1998 18:52:26 +0000 Subject: [PATCH] * ylwrap: Don't use a full path name if the source file is in the same directory. From hjl@lucon.org (H.J. Lu). --- ChangeLog | 3 ++ ylwrap | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 126 insertions(+) create mode 100755 ylwrap diff --git a/ChangeLog b/ChangeLog index d27d2d256c..3cd627d62e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ Fri Jul 17 13:30:18 1998 Ian Lance Taylor + * ylwrap: Don't use a full path name if the source file is in the + same directory. From hjl@lucon.org (H.J. Lu). + * config-ml.in: Default to being verbose, to match Feb 18 change to configure. diff --git a/ylwrap b/ylwrap new file mode 100755 index 0000000000..2d0f97ff4f --- /dev/null +++ b/ylwrap @@ -0,0 +1,123 @@ +#! /bin/sh +# ylwrap - wrapper for lex/yacc invocations. +# Copyright (C) 1996, 1997 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# 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, 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Usage: +# ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]... +# * PROGRAM is program to run. +# * INPUT is the input file +# * OUTPUT is file PROG generates +# * DESIRED is file we actually want +# * ARGS are passed to PROG +# Any number of OUTPUT,DESIRED pairs may be used. + +# The program to run. +prog="$1" +shift +# Make any relative path in $prog absolute. +case "$prog" in + /*) ;; + */*) prog="`pwd`/$prog" ;; +esac + +# The input. +input="$1" +shift +case "$input" in + /* | [A-Za-z]:\\*) + # Absolute path; do nothing. + ;; + *) + # Relative path. Make it absolute. Why? Because otherwise any + # debugging info in the generated file will point to the wrong + # place. This is really gross. + input="`pwd`/$input" + ;; +esac + +# We don't want to use the absolute path if the input in the current +# directory like when making a tar ball. +input_base=`echo $input | sed -e 's|.*/||'` +if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then + input=$input_base +fi + +pairlist= +while test "$#" -ne 0; do + if test "$1" = "--"; then + shift + break + fi + pairlist="$pairlist $1" + shift +done + +# FIXME: add hostname here for parallel makes that run commands on +# other machines. But that might take us over the 14-char limit. +dirname=ylwrap$$ +trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 +mkdir $dirname || exit 1 + +cd $dirname +case "$input" in + /*) + # Absolute path; do nothing. + ;; + *) + # Make a symbolic link, hard link or hardcopy. + ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" . + ;; +esac +$prog ${1+"$@"} "$input" +status=$? + +if test $status -eq 0; then + set X $pairlist + shift + first=yes + while test "$#" -ne 0; do + if test -f "$1"; then + # If $2 is an absolute path name, then just use that, + # otherwise prepend `../'. + case "$2" in + /*) target="$2";; + *) target="../$2";; + esac + mv "$1" "$target" || status=$? + else + # A missing file is only an error for the first file. This + # is a blatant hack to let us support using "yacc -d". If -d + # is not specified, we don't want an error when the header + # file is "missing". + if test $first = yes; then + status=1 + fi + fi + shift + shift + first=no + done +else + status=$? +fi + +# Remove the directory. +cd .. +rm -rf $dirname + +exit $status -- 2.34.1