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Revision 2 - (hide annotations) (download)
Fri Oct 28 21:19:04 2011 UTC (9 years, 5 months ago) by zoff99
File size: 3769 byte(s)
import files
1 zoff99 2 #! /bin/sh
2     # Wrapper for compilers which do not understand `-c -o'.
3    
4     scriptversion=2009-10-06.20; # 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     test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
128     elif test -f "${cofile}bj"; then
129     test "${cofile}bj" = "$ofile" || mv "${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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