1#! /bin/sh 2# Wrapper for compilers which do not understand `-c -o'. 3 4scriptversion=2005-05-14.22 5 6# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc. 7# Written by Tom Tromey <tromey@cygnus.com>. 8# 9# This program is free software; you can redistribute it and/or modify 10# it under the terms of the GNU General Public License as published by 11# the Free Software Foundation; either version 3, or (at your option) 12# any later version. 13# 14# This program is distributed in the hope that it will be useful, 15# but WITHOUT ANY WARRANTY; without even the implied warranty of 16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17# GNU General Public License for more details. 18# 19# You should have received a copy of the GNU General Public License 20# along with this program. If not, see <http://www.gnu.org/licenses/>. 21 22# As a special exception to the GNU General Public License, if you 23# distribute this file as part of a program that contains a 24# configuration script generated by Autoconf, you may include it under 25# the same distribution terms that you use for the rest of that program. 26 27# This file is maintained in Automake, please report 28# bugs to <bug-automake@gnu.org> or send patches to 29# <automake-patches@gnu.org>. 30 31case $1 in 32 '') 33 echo "$0: No command. Try \`$0 --help' for more information." 1>&2 34 exit 1; 35 ;; 36 -h | --h*) 37 cat <<\EOF 38Usage: compile [--help] [--version] PROGRAM [ARGS] 39 40Wrapper for compilers which do not understand `-c -o'. 41Remove `-o dest.o' from ARGS, run PROGRAM with the remaining 42arguments, and rename the output as expected. 43 44If you are trying to build a whole package this is not the 45right script to run: please start by reading the file `INSTALL'. 46 47Report bugs to <bug-automake@gnu.org>. 48EOF 49 exit $? 50 ;; 51 -v | --v*) 52 echo "compile $scriptversion" 53 exit $? 54 ;; 55esac 56 57ofile= 58cfile= 59eat= 60 61for arg 62do 63 if test -n "$eat"; then 64 eat= 65 else 66 case $1 in 67 -o) 68 # configure might choose to run compile as `compile cc -o foo foo.c'. 69 # So we strip `-o arg' only if arg is an object. 70 eat=1 71 case $2 in 72 *.o | *.obj) 73 ofile=$2 74 ;; 75 *) 76 set x "$@" -o "$2" 77 shift 78 ;; 79 esac 80 ;; 81 *.c) 82 cfile=$1 83 set x "$@" "$1" 84 shift 85 ;; 86 *) 87 set x "$@" "$1" 88 shift 89 ;; 90 esac 91 fi 92 shift 93done 94 95if test -z "$ofile" || test -z "$cfile"; then 96 # If no `-o' option was seen then we might have been invoked from a 97 # pattern rule where we don't need one. That is ok -- this is a 98 # normal compilation that the losing compiler can handle. If no 99 # `.c' file was seen then we are probably linking. That is also 100 # ok. 101 exec "$@" 102fi 103 104# Name of file we expect compiler to create. 105cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'` 106 107# Create the lock directory. 108# Note: use `[/.-]' here to ensure that we don't use the same name 109# that we are using for the .o file. Also, base the name on the expected 110# object file name, since that is what matters with a parallel build. 111lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d 112while true; do 113 if mkdir "$lockdir" >/dev/null 2>&1; then 114 break 115 fi 116 sleep 1 117done 118# FIXME: race condition here if user kills between mkdir and trap. 119trap "rmdir '$lockdir'; exit 1" 1 2 15 120 121# Run the compile. 122"$@" 123ret=$? 124 125if test -f "$cofile"; then 126 mv "$cofile" "$ofile" 127elif test -f "${cofile}bj"; then 128 mv "${cofile}bj" "$ofile" 129fi 130 131rmdir "$lockdir" 132exit $ret 133 134# Local Variables: 135# mode: shell-script 136# sh-indentation: 2 137# eval: (add-hook 'write-file-hooks 'time-stamp) 138# time-stamp-start: "scriptversion=" 139# time-stamp-format: "%:y-%02m-%02d.%02H" 140# time-stamp-end: "$" 141# End: 142