1 | #! /bin/sh |
---|
2 | |
---|
3 | # Wrapper for compilers which do not understand `-c -o'. |
---|
4 | |
---|
5 | # Copyright 1999, 2000 Free Software Foundation, Inc. |
---|
6 | # Written by Tom Tromey <tromey@cygnus.com>. |
---|
7 | # |
---|
8 | # This program is free software; you can redistribute it and/or modify |
---|
9 | # it under the terms of the GNU General Public License as published by |
---|
10 | # the Free Software Foundation; either version 2, or (at your option) |
---|
11 | # any later version. |
---|
12 | # |
---|
13 | # This program is distributed in the hope that it will be useful, |
---|
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
16 | # GNU General Public License for more details. |
---|
17 | # |
---|
18 | # You should have received a copy of the GNU General Public License |
---|
19 | # along with this program; if not, write to the Free Software |
---|
20 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
---|
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 | # Usage: |
---|
28 | # compile PROGRAM [ARGS]... |
---|
29 | # `-o FOO.o' is removed from the args passed to the actual compile. |
---|
30 | |
---|
31 | # Usage statement added by Billy Biggs <vektor@dumbterm.net>. |
---|
32 | if [ -z $1 ]; then |
---|
33 | echo "Wrapper for compilers which do not understand '-c -o'." |
---|
34 | echo "usage: compile PROGRAM [ARGS]..." |
---|
35 | echo "'-o FOO.o' is removed from the args passed to the actual compile." |
---|
36 | exit 1 |
---|
37 | fi |
---|
38 | |
---|
39 | prog=$1 |
---|
40 | shift |
---|
41 | |
---|
42 | ofile= |
---|
43 | cfile= |
---|
44 | args= |
---|
45 | while test $# -gt 0; do |
---|
46 | case "$1" in |
---|
47 | -o) |
---|
48 | # configure might choose to run compile as `compile cc -o foo foo.c'. |
---|
49 | # So we do something ugly here. |
---|
50 | ofile=$2 |
---|
51 | shift |
---|
52 | case "$ofile" in |
---|
53 | *.o | *.obj) |
---|
54 | ;; |
---|
55 | *) |
---|
56 | args="$args -o $ofile" |
---|
57 | ofile= |
---|
58 | ;; |
---|
59 | esac |
---|
60 | ;; |
---|
61 | *.c) |
---|
62 | cfile=$1 |
---|
63 | args="$args $1" |
---|
64 | ;; |
---|
65 | *) |
---|
66 | args="$args $1" |
---|
67 | ;; |
---|
68 | esac |
---|
69 | shift |
---|
70 | done |
---|
71 | |
---|
72 | if test -z "$ofile" || test -z "$cfile"; then |
---|
73 | # If no `-o' option was seen then we might have been invoked from a |
---|
74 | # pattern rule where we don't need one. That is ok -- this is a |
---|
75 | # normal compilation that the losing compiler can handle. If no |
---|
76 | # `.c' file was seen then we are probably linking. That is also |
---|
77 | # ok. |
---|
78 | exec "$prog" $args |
---|
79 | fi |
---|
80 | |
---|
81 | # Name of file we expect compiler to create. |
---|
82 | cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'` |
---|
83 | |
---|
84 | # Create the lock directory. |
---|
85 | # Note: use `[/.-]' here to ensure that we don't use the same name |
---|
86 | # that we are using for the .o file. Also, base the name on the expected |
---|
87 | # object file name, since that is what matters with a parallel build. |
---|
88 | lockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d |
---|
89 | while true; do |
---|
90 | if mkdir $lockdir > /dev/null 2>&1; then |
---|
91 | break |
---|
92 | fi |
---|
93 | sleep 1 |
---|
94 | done |
---|
95 | # FIXME: race condition here if user kills between mkdir and trap. |
---|
96 | trap "rmdir $lockdir; exit 1" 1 2 15 |
---|
97 | |
---|
98 | # Run the compile. |
---|
99 | "$prog" $args |
---|
100 | status=$? |
---|
101 | |
---|
102 | if test -f "$cofile"; then |
---|
103 | mv "$cofile" "$ofile" |
---|
104 | fi |
---|
105 | |
---|
106 | rmdir $lockdir |
---|
107 | exit $status |
---|