1c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#! /bin/sh 2c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 3c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Wrapper for compilers which do not understand `-c -o'. 4c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 5c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Copyright 1999, 2000 Free Software Foundation, Inc. 6c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Written by Tom Tromey <tromey@cygnus.com>. 7c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# 8c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# This program is free software; you can redistribute it and/or modify 9c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# it under the terms of the GNU General Public License as published by 10c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# the Free Software Foundation; either version 2, or (at your option) 11c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# any later version. 12c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# 13c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# This program is distributed in the hope that it will be useful, 14c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# but WITHOUT ANY WARRANTY; without even the implied warranty of 15c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# GNU General Public License for more details. 17c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# 18c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# You should have received a copy of the GNU General Public License 19c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# along with this program; if not, write to the Free Software 20c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 22c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# As a special exception to the GNU General Public License, if you 23c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# distribute this file as part of a program that contains a 24c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# configuration script generated by Autoconf, you may include it under 25c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# the same distribution terms that you use for the rest of that program. 26c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 27c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Usage: 28c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# compile PROGRAM [ARGS]... 29c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# `-o FOO.o' is removed from the args passed to the actual compile. 30c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 31c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottprog=$1 32c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottshift 33c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 34c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottofile= 35c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottcfile= 36c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottargs= 37c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottwhile test $# -gt 0; do 38c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott case "$1" in 39c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott -o) 40c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott # configure might choose to run compile as `compile cc -o foo foo.c'. 41c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott # So we do something ugly here. 42c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott ofile=$2 43c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott shift 44c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott case "$ofile" in 45c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott *.o | *.obj) 46c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott ;; 47c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott *) 48c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott args="$args -o $ofile" 49c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott ofile= 50c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott ;; 51c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott esac 52c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott ;; 53c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott *.c) 54c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott cfile=$1 55c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott args="$args $1" 56c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott ;; 57c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott *) 58c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott args="$args $1" 59c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott ;; 60c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott esac 61c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott shift 62c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottdone 63c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 64c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottif test -z "$ofile" || test -z "$cfile"; then 65c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott # If no `-o' option was seen then we might have been invoked from a 66c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott # pattern rule where we don't need one. That is ok -- this is a 67c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott # normal compilation that the losing compiler can handle. If no 68c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott # `.c' file was seen then we are probably linking. That is also 69c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott # ok. 70c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott exec "$prog" $args 71c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottfi 72c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 73c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Name of file we expect compiler to create. 74c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottcofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'` 75c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 76c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Create the lock directory. 77c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Note: use `[/.-]' here to ensure that we don't use the same name 78c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# that we are using for the .o file. Also, base the name on the expected 79c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# object file name, since that is what matters with a parallel build. 80c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottlockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d 81c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottwhile true; do 82c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott if mkdir $lockdir > /dev/null 2>&1; then 83c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott break 84c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott fi 85c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott sleep 1 86c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottdone 87c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# FIXME: race condition here if user kills between mkdir and trap. 88c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scotttrap "rmdir $lockdir; exit 1" 1 2 15 89c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 90c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott# Run the compile. 91c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott"$prog" $args 92c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottstatus=$? 93c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 94c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottif test -f "$cofile"; then 95c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott mv "$cofile" "$ofile" 96c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottfi 97c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 98c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottrmdir $lockdir 99c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottexit $status 100