Annotation of embedaddon/ntp/compile, revision 1.1.1.1
1.1 misho 1: #! /bin/sh
2: # Wrapper for compilers which do not understand `-c -o'.
3:
4: scriptversion=2005-05-14.22
5:
6: # Copyright (C) 1999, 2000, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 $?
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 "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.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: mv "$cofile" "$ofile"
128: elif test -f "${cofile}bj"; then
129: mv "${cofile}bj" "$ofile"
130: fi
131:
132: rmdir "$lockdir"
133: exit $ret
134:
135: # Local Variables:
136: # mode: shell-script
137: # sh-indentation: 2
138: # eval: (add-hook 'write-file-hooks 'time-stamp)
139: # time-stamp-start: "scriptversion="
140: # time-stamp-format: "%:y-%02m-%02d.%02H"
141: # time-stamp-end: "$"
142: # End:
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