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1 | #! /bin/sh |
2 | # Wrapper for compilers which do not understand `-c -o'. | |
3 | ||
4 | scriptversion=2003-11-09.00 | |
5 | ||
6 | # Copyright (C) 1999, 2000, 2003 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., 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 | ||
58 | ||
59 | prog=$1 | |
60 | shift | |
61 | ||
62 | ofile= | |
63 | cfile= | |
64 | args= | |
65 | while test $# -gt 0; do | |
66 | case "$1" in | |
67 | -o) | |
68 | # configure might choose to run compile as `compile cc -o foo foo.c'. | |
69 | # So we do something ugly here. | |
70 | ofile=$2 | |
71 | shift | |
72 | case "$ofile" in | |
73 | *.o | *.obj) | |
74 | ;; | |
75 | *) | |
76 | args="$args -o $ofile" | |
77 | ofile= | |
78 | ;; | |
79 | esac | |
80 | ;; | |
81 | *.c) | |
82 | cfile=$1 | |
83 | args="$args $1" | |
84 | ;; | |
85 | *) | |
86 | args="$args $1" | |
87 | ;; | |
88 | esac | |
89 | shift | |
90 | done | |
91 | ||
92 | if test -z "$ofile" || test -z "$cfile"; then | |
93 | # If no `-o' option was seen then we might have been invoked from a | |
94 | # pattern rule where we don't need one. That is ok -- this is a | |
95 | # normal compilation that the losing compiler can handle. If no | |
96 | # `.c' file was seen then we are probably linking. That is also | |
97 | # ok. | |
98 | exec "$prog" $args | |
99 | fi | |
100 | ||
101 | # Name of file we expect compiler to create. | |
102 | cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'` | |
103 | ||
104 | # Create the lock directory. | |
105 | # Note: use `[/.-]' here to ensure that we don't use the same name | |
106 | # that we are using for the .o file. Also, base the name on the expected | |
107 | # object file name, since that is what matters with a parallel build. | |
108 | lockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d | |
109 | while true; do | |
110 | if mkdir $lockdir > /dev/null 2>&1; then | |
111 | break | |
112 | fi | |
113 | sleep 1 | |
114 | done | |
115 | # FIXME: race condition here if user kills between mkdir and trap. | |
116 | trap "rmdir $lockdir; exit 1" 1 2 15 | |
117 | ||
118 | # Run the compile. | |
119 | "$prog" $args | |
120 | status=$? | |
121 | ||
122 | if test -f "$cofile"; then | |
123 | mv "$cofile" "$ofile" | |
124 | fi | |
125 | ||
126 | rmdir $lockdir | |
127 | exit $status | |
128 | ||
129 | # Local Variables: | |
130 | # mode: shell-script | |
131 | # sh-indentation: 2 | |
132 | # eval: (add-hook 'write-file-hooks 'time-stamp) | |
133 | # time-stamp-start: "scriptversion=" | |
134 | # time-stamp-format: "%:y-%02m-%02d.%02H" | |
135 | # time-stamp-end: "$" | |
136 | # End: |