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1 | #! /bin/sh |
2 | # Wrapper for compilers which do not understand `-c -o'. | |
3 | ||
85f59630 | 4 | scriptversion=2004-09-10.20 |
4d038073 | 5 | |
85f59630 | 6 | # Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. |
4d038073 KC |
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 0 | |
51 | ;; | |
52 | -v | --v*) | |
53 | echo "compile $scriptversion" | |
54 | exit 0 | |
55 | ;; | |
56 | esac | |
57 | ||
4d038073 KC |
58 | ofile= |
59 | cfile= | |
85f59630 KC |
60 | eat= |
61 | ||
62 | for arg | |
63 | do | |
64 | if test -n "$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=$1 | |
84 | set x "$@" "$1" | |
85 | shift | |
86 | ;; | |
87 | *) | |
88 | set x "$@" "$1" | |
89 | shift | |
90 | ;; | |
91 | esac | |
92 | fi | |
4d038073 KC |
93 | shift |
94 | done | |
95 | ||
96 | if test -z "$ofile" || test -z "$cfile"; then | |
97 | # If no `-o' option was seen then we might have been invoked from a | |
98 | # pattern rule where we don't need one. That is ok -- this is a | |
99 | # normal compilation that the losing compiler can handle. If no | |
100 | # `.c' file was seen then we are probably linking. That is also | |
101 | # ok. | |
85f59630 | 102 | exec "$@" |
4d038073 KC |
103 | fi |
104 | ||
105 | # Name of file we expect compiler to create. | |
85f59630 | 106 | cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'` |
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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. | |
85f59630 | 112 | lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d |
4d038073 | 113 | while true; do |
85f59630 | 114 | if mkdir "$lockdir" >/dev/null 2>&1; then |
4d038073 KC |
115 | break |
116 | fi | |
117 | sleep 1 | |
118 | done | |
119 | # FIXME: race condition here if user kills between mkdir and trap. | |
85f59630 | 120 | trap "rmdir '$lockdir'; exit 1" 1 2 15 |
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121 | |
122 | # Run the compile. | |
85f59630 KC |
123 | "$@" |
124 | ret=$? | |
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125 | |
126 | if test -f "$cofile"; then | |
127 | mv "$cofile" "$ofile" | |
128 | fi | |
129 | ||
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130 | rmdir "$lockdir" |
131 | exit $ret | |
4d038073 KC |
132 | |
133 | # Local Variables: | |
134 | # mode: shell-script | |
135 | # sh-indentation: 2 | |
136 | # eval: (add-hook 'write-file-hooks 'time-stamp) | |
137 | # time-stamp-start: "scriptversion=" | |
138 | # time-stamp-format: "%:y-%02m-%02d.%02H" | |
139 | # time-stamp-end: "$" | |
140 | # End: |