Matthias Klose | a834975 | 2010-03-15 13:25:28 +0000 | [diff] [blame] | 1 | #! /bin/sh |
| 2 | # Wrapper for compilers which do not understand `-c -o'. |
| 3 | |
| 4 | scriptversion=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 2, 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, write to the Free Software |
| 21 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 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 "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.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 $ret |
| 134 | |
| 135 | # Local Variables: |
| 136 | # mode: shell-script |
| 137 | # sh-indentation: 2 |
| 138 | # eval: (add-hook 'write-file-hooks 'time-stamp) |
| 139 | # time-stamp-start: "scriptversion=" |
| 140 | # time-stamp-format: "%:y-%02m-%02d.%02H" |
| 141 | # time-stamp-end: "$" |
| 142 | # End: |