melunko@47: #! /bin/sh
melunko@47: # Wrapper for compilers which do not understand `-c -o'.
melunko@47: 
melunko@47: scriptversion=2003-11-09.00
melunko@47: 
melunko@47: # Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
melunko@47: # Written by Tom Tromey <tromey@cygnus.com>.
melunko@47: #
melunko@47: # This program is free software; you can redistribute it and/or modify
melunko@47: # it under the terms of the GNU General Public License as published by
melunko@47: # the Free Software Foundation; either version 2, or (at your option)
melunko@47: # any later version.
melunko@47: #
melunko@47: # This program is distributed in the hope that it will be useful,
melunko@47: # but WITHOUT ANY WARRANTY; without even the implied warranty of
melunko@47: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
melunko@47: # GNU General Public License for more details.
melunko@47: #
melunko@47: # You should have received a copy of the GNU General Public License
melunko@47: # along with this program; if not, write to the Free Software
melunko@47: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
melunko@47: 
melunko@47: # As a special exception to the GNU General Public License, if you
melunko@47: # distribute this file as part of a program that contains a
melunko@47: # configuration script generated by Autoconf, you may include it under
melunko@47: # the same distribution terms that you use for the rest of that program.
melunko@47: 
melunko@47: # This file is maintained in Automake, please report
melunko@47: # bugs to <bug-automake@gnu.org> or send patches to
melunko@47: # <automake-patches@gnu.org>.
melunko@47: 
melunko@47: case $1 in
melunko@47:   '')
melunko@47:      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
melunko@47:      exit 1;
melunko@47:      ;;
melunko@47:   -h | --h*)
melunko@47:     cat <<\EOF
melunko@47: Usage: compile [--help] [--version] PROGRAM [ARGS]
melunko@47: 
melunko@47: Wrapper for compilers which do not understand `-c -o'.
melunko@47: Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
melunko@47: arguments, and rename the output as expected.
melunko@47: 
melunko@47: If you are trying to build a whole package this is not the
melunko@47: right script to run: please start by reading the file `INSTALL'.
melunko@47: 
melunko@47: Report bugs to <bug-automake@gnu.org>.
melunko@47: EOF
melunko@47:     exit 0
melunko@47:     ;;
melunko@47:   -v | --v*)
melunko@47:     echo "compile $scriptversion"
melunko@47:     exit 0
melunko@47:     ;;
melunko@47: esac
melunko@47: 
melunko@47: 
melunko@47: prog=$1
melunko@47: shift
melunko@47: 
melunko@47: ofile=
melunko@47: cfile=
melunko@47: args=
melunko@47: while test $# -gt 0; do
melunko@47:   case "$1" in
melunko@47:     -o)
melunko@47:       # configure might choose to run compile as `compile cc -o foo foo.c'.
melunko@47:       # So we do something ugly here.
melunko@47:       ofile=$2
melunko@47:       shift
melunko@47:       case "$ofile" in
melunko@47: 	*.o | *.obj)
melunko@47: 	  ;;
melunko@47: 	*)
melunko@47: 	  args="$args -o $ofile"
melunko@47: 	  ofile=
melunko@47: 	  ;;
melunko@47:       esac
melunko@47:        ;;
melunko@47:     *.c)
melunko@47:       cfile=$1
melunko@47:       args="$args $1"
melunko@47:       ;;
melunko@47:     *)
melunko@47:       args="$args $1"
melunko@47:       ;;
melunko@47:   esac
melunko@47:   shift
melunko@47: done
melunko@47: 
melunko@47: if test -z "$ofile" || test -z "$cfile"; then
melunko@47:   # If no `-o' option was seen then we might have been invoked from a
melunko@47:   # pattern rule where we don't need one.  That is ok -- this is a
melunko@47:   # normal compilation that the losing compiler can handle.  If no
melunko@47:   # `.c' file was seen then we are probably linking.  That is also
melunko@47:   # ok.
melunko@47:   exec "$prog" $args
melunko@47: fi
melunko@47: 
melunko@47: # Name of file we expect compiler to create.
melunko@47: cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
melunko@47: 
melunko@47: # Create the lock directory.
melunko@47: # Note: use `[/.-]' here to ensure that we don't use the same name
melunko@47: # that we are using for the .o file.  Also, base the name on the expected
melunko@47: # object file name, since that is what matters with a parallel build.
melunko@47: lockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d
melunko@47: while true; do
melunko@47:   if mkdir $lockdir > /dev/null 2>&1; then
melunko@47:     break
melunko@47:   fi
melunko@47:   sleep 1
melunko@47: done
melunko@47: # FIXME: race condition here if user kills between mkdir and trap.
melunko@47: trap "rmdir $lockdir; exit 1" 1 2 15
melunko@47: 
melunko@47: # Run the compile.
melunko@47: "$prog" $args
melunko@47: status=$?
melunko@47: 
melunko@47: if test -f "$cofile"; then
melunko@47:   mv "$cofile" "$ofile"
melunko@47: fi
melunko@47: 
melunko@47: rmdir $lockdir
melunko@47: exit $status
melunko@47: 
melunko@47: # Local Variables:
melunko@47: # mode: shell-script
melunko@47: # sh-indentation: 2
melunko@47: # eval: (add-hook 'write-file-hooks 'time-stamp)
melunko@47: # time-stamp-start: "scriptversion="
melunko@47: # time-stamp-format: "%:y-%02m-%02d.%02H"
melunko@47: # time-stamp-end: "$"
melunko@47: # End: