source: trunk/mondo/compile @ 42

Last change on this file since 42 was 30, checked in by bcornec, 14 years ago

Id property added on files to allow for better conf. management

  • Property svn:executable set to *
  • Property svn:keywords set to Id
File size: 2.7 KB
Line 
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
31prog=$1
32shift
33
34ofile=
35cfile=
36args=
37while test $# -gt 0; do
38   case "$1" in
39    -o)
40       # configure might choose to run compile as `compile cc -o foo foo.c'.
41       # So we do something ugly here.
42       ofile=$2
43       shift
44       case "$ofile" in
45    *.o | *.obj)
46       ;;
47    *)
48       args="$args -o $ofile"
49       ofile=
50       ;;
51       esac
52       ;;
53    *.c)
54       cfile=$1
55       args="$args $1"
56       ;;
57    *)
58       args="$args $1"
59       ;;
60   esac
61   shift
62done
63
64if test -z "$ofile" || test -z "$cfile"; then
65   # If no `-o' option was seen then we might have been invoked from a
66   # pattern rule where we don't need one.  That is ok -- this is a
67   # normal compilation that the losing compiler can handle.  If no
68   # `.c' file was seen then we are probably linking.  That is also
69   # ok.
70   exec "$prog" $args
71fi
72
73# Name of file we expect compiler to create.
74cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
75
76# Create the lock directory.
77# Note: use `[/.-]' here to ensure that we don't use the same name
78# that we are using for the .o file.  Also, base the name on the expected
79# object file name, since that is what matters with a parallel build.
80lockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d
81while true; do
82   if mkdir $lockdir > /dev/null 2>&1; then
83      break
84   fi
85   sleep 1
86done
87# FIXME: race condition here if user kills between mkdir and trap.
88trap "rmdir $lockdir; exit 1" 1 2 15
89
90# Run the compile.
91"$prog" $args
92status=$?
93
94if test -f "$cofile"; then
95   mv "$cofile" "$ofile"
96fi
97
98rmdir $lockdir
99exit $status
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