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| 1 | +#! /bin/sh |
| 2 | +# Wrapper for compilers which do not understand `-c -o'. |
| 3 | + |
| 4 | +scriptversion=2009-04-28.21; # UTC |
| 5 | + |
| 6 | +# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009 Free Software |
| 7 | +# Foundation, Inc. |
| 8 | +# Written by Tom Tromey <tromey@cygnus.com>. |
| 9 | +# |
| 10 | +# This program is free software; you can redistribute it and/or modify |
| 11 | +# it under the terms of the GNU General Public License as published by |
| 12 | +# the Free Software Foundation; either version 2, or (at your option) |
| 13 | +# any later version. |
| 14 | +# |
| 15 | +# This program is distributed in the hope that it will be useful, |
| 16 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | +# GNU General Public License for more details. |
| 19 | +# |
| 20 | +# You should have received a copy of the GNU General Public License |
| 21 | +# along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 22 | + |
| 23 | +# As a special exception to the GNU General Public License, if you |
| 24 | +# distribute this file as part of a program that contains a |
| 25 | +# configuration script generated by Autoconf, you may include it under |
| 26 | +# the same distribution terms that you use for the rest of that program. |
| 27 | + |
| 28 | +# This file is maintained in Automake, please report |
| 29 | +# bugs to <bug-automake@gnu.org> or send patches to |
| 30 | +# <automake-patches@gnu.org>. |
| 31 | + |
| 32 | +case $1 in |
| 33 | + '') |
| 34 | + echo "$0: No command. Try \`$0 --help' for more information." 1>&2 |
| 35 | + exit 1; |
| 36 | + ;; |
| 37 | + -h | --h*) |
| 38 | + cat <<\EOF |
| 39 | +Usage: compile [--help] [--version] PROGRAM [ARGS] |
| 40 | +
|
| 41 | +Wrapper for compilers which do not understand `-c -o'. |
| 42 | +Remove `-o dest.o' from ARGS, run PROGRAM with the remaining |
| 43 | +arguments, and rename the output as expected. |
| 44 | +
|
| 45 | +If you are trying to build a whole package this is not the |
| 46 | +right script to run: please start by reading the file `INSTALL'. |
| 47 | +
|
| 48 | +Report bugs to <bug-automake@gnu.org>. |
| 49 | +EOF |
| 50 | + exit $? |
| 51 | + ;; |
| 52 | + -v | --v*) |
| 53 | + echo "compile $scriptversion" |
| 54 | + exit $? |
| 55 | + ;; |
| 56 | +esac |
| 57 | + |
| 58 | +ofile= |
| 59 | +cfile= |
| 60 | +eat= |
| 61 | + |
| 62 | +for arg |
| 63 | +do |
| 64 | + if test -n "$eat"; then |
| 65 | + eat= |
| 66 | + else |
| 67 | + case $1 in |
| 68 | + -o) |
| 69 | + # configure might choose to run compile as `compile cc -o foo foo.c'. |
| 70 | + # So we strip `-o arg' only if arg is an object. |
| 71 | + eat=1 |
| 72 | + case $2 in |
| 73 | + *.o | *.obj) |
| 74 | + ofile=$2 |
| 75 | + ;; |
| 76 | + *) |
| 77 | + set x "$@" -o "$2" |
| 78 | + shift |
| 79 | + ;; |
| 80 | + esac |
| 81 | + ;; |
| 82 | + *.c) |
| 83 | + cfile=$1 |
| 84 | + set x "$@" "$1" |
| 85 | + shift |
| 86 | + ;; |
| 87 | + *) |
| 88 | + set x "$@" "$1" |
| 89 | + shift |
| 90 | + ;; |
| 91 | + esac |
| 92 | + fi |
| 93 | + shift |
| 94 | +done |
| 95 | + |
| 96 | +if test -z "$ofile" || test -z "$cfile"; then |
| 97 | + # If no `-o' option was seen then we might have been invoked from a |
| 98 | + # pattern rule where we don't need one. That is ok -- this is a |
| 99 | + # normal compilation that the losing compiler can handle. If no |
| 100 | + # `.c' file was seen then we are probably linking. That is also |
| 101 | + # ok. |
| 102 | + exec "$@" |
| 103 | +fi |
| 104 | + |
| 105 | +# Name of file we expect compiler to create. |
| 106 | +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` |
| 107 | + |
| 108 | +# Create the lock directory. |
| 109 | +# Note: use `[/\\:.-]' here to ensure that we don't use the same name |
| 110 | +# that we are using for the .o file. Also, base the name on the expected |
| 111 | +# object file name, since that is what matters with a parallel build. |
| 112 | +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d |
| 113 | +while true; do |
| 114 | + if mkdir "$lockdir" >/dev/null 2>&1; then |
| 115 | + break |
| 116 | + fi |
| 117 | + sleep 1 |
| 118 | +done |
| 119 | +# FIXME: race condition here if user kills between mkdir and trap. |
| 120 | +trap "rmdir '$lockdir'; exit 1" 1 2 15 |
| 121 | + |
| 122 | +# Run the compile. |
| 123 | +"$@" |
| 124 | +ret=$? |
| 125 | + |
| 126 | +if test -f "$cofile"; then |
| 127 | + mv "$cofile" "$ofile" |
| 128 | +elif test -f "${cofile}bj"; then |
| 129 | + mv "${cofile}bj" "$ofile" |
| 130 | +fi |
| 131 | + |
| 132 | +rmdir "$lockdir" |
| 133 | +exit $ret |
| 134 | + |
| 135 | +# Local Variables: |
| 136 | +# mode: shell-script |
| 137 | +# sh-indentation: 2 |
| 138 | +# eval: (add-hook 'write-file-hooks 'time-stamp) |
| 139 | +# time-stamp-start: "scriptversion=" |
| 140 | +# time-stamp-format: "%:y-%02m-%02d.%02H" |
| 141 | +# time-stamp-time-zone: "UTC" |
| 142 | +# time-stamp-end: "; # UTC" |
| 143 | +# End: |
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