0 #! /bin/sh
1 # Wrapper for compilers which do not understand `-c -o'.
2
3 scriptversion=2005-05-14.22
4
5 # Copyright (C) 1999, 2000, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 # This file is maintained in Automake, please report
28 # bugs to <bug-automake@gnu.org> or send patches to
29 # <automake-patches@gnu.org>.
30
31 case $1 in
32 '')
33 echo "$0: No command. Try \`$0 --help' for more information." 1>&2
34 exit 1;
35 ;;
36 -h | --h*)
37 cat <<\EOF
38 Usage: compile [--help] [--version] PROGRAM [ARGS]
39
40 Wrapper for compilers which do not understand `-c -o'.
41 Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
42 arguments, and rename the output as expected.
43
44 If you are trying to build a whole package this is not the
45 right script to run: please start by reading the file `INSTALL'.
46
47 Report bugs to <bug-automake@gnu.org>.
48 EOF
49 exit $?
50 ;;
51 -v | --v*)
52 echo "compile $scriptversion"
53 exit $?
54 ;;
55 esac
56
57 ofile=
58 cfile=
59 eat=
60
61 for arg
62 do
63 if test -n "$eat"; then
64 eat=
65 else
66 case $1 in
67 -o)
68 # configure might choose to run compile as `compile cc -o foo foo.c'.
69 # So we strip `-o arg' only if arg is an object.
70 eat=1
71 case $2 in
72 *.o | *.obj)
73 ofile=$2
74 ;;
75 *)
76 set x "$@" -o "$2"
77 shift
78 ;;
79 esac
80 ;;
81 *.c)
82 cfile=$1
83 set x "$@" "$1"
84 shift
85 ;;
86 *)
87 set x "$@" "$1"
88 shift
89 ;;
90 esac
91 fi
92 shift
93 done
94
95 if test -z "$ofile" || test -z "$cfile"; then
96 # If no `-o' option was seen then we might have been invoked from a
97 # pattern rule where we don't need one. That is ok -- this is a
98 # normal compilation that the losing compiler can handle. If no
99 # `.c' file was seen then we are probably linking. That is also
100 # ok.
101 exec "$@"
102 fi
103
104 # Name of file we expect compiler to create.
105 cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
106
107 # Create the lock directory.
108 # Note: use `[/.-]' here to ensure that we don't use the same name
109 # that we are using for the .o file. Also, base the name on the expected
110 # object file name, since that is what matters with a parallel build.
111 lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
112 while true; do
113 if mkdir "$lockdir" >/dev/null 2>&1; then
114 break
115 fi
116 sleep 1
117 done
118 # FIXME: race condition here if user kills between mkdir and trap.
119 trap "rmdir '$lockdir'; exit 1" 1 2 15
120
121 # Run the compile.
122 "$@"
123 ret=$?
124
125 if test -f "$cofile"; then
126 mv "$cofile" "$ofile"
127 elif test -f "${cofile}bj"; then
128 mv "${cofile}bj" "$ofile"
129 fi
130
131 rmdir "$lockdir"
132 exit $ret
133
134 # Local Variables:
135 # mode: shell-script
136 # sh-indentation: 2
137 # eval: (add-hook 'write-file-hooks 'time-stamp)
138 # time-stamp-start: "scriptversion="
139 # time-stamp-format: "%:y-%02m-%02d.%02H"
140 # time-stamp-end: "$"
141 # End:
142