/[gentoo-src]/portage/compile
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Revision 1.1 - (hide annotations) (download)
Sat Nov 20 10:20:52 2004 UTC (9 years, 5 months ago) by ferringb
Branch: MAIN
CVS Tags: portage_041204, HEAD
Branch point for: portage_2_1
autotooling of portage.

1 ferringb 1.1 #! /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:

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