cannam@89: #! /bin/sh
cannam@89: # Wrapper for compilers which do not understand `-c -o'.
cannam@89: 
cannam@89: scriptversion=2005-05-14.22
cannam@89: 
cannam@89: # Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
cannam@89: # Written by Tom Tromey <tromey@cygnus.com>.
cannam@89: #
cannam@89: # This program is free software; you can redistribute it and/or modify
cannam@89: # it under the terms of the GNU General Public License as published by
cannam@89: # the Free Software Foundation; either version 2, or (at your option)
cannam@89: # any later version.
cannam@89: #
cannam@89: # This program is distributed in the hope that it will be useful,
cannam@89: # but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@89: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@89: # GNU General Public License for more details.
cannam@89: #
cannam@89: # You should have received a copy of the GNU General Public License
cannam@89: # along with this program; if not, write to the Free Software
cannam@89: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
cannam@89: 
cannam@89: # As a special exception to the GNU General Public License, if you
cannam@89: # distribute this file as part of a program that contains a
cannam@89: # configuration script generated by Autoconf, you may include it under
cannam@89: # the same distribution terms that you use for the rest of that program.
cannam@89: 
cannam@89: # This file is maintained in Automake, please report
cannam@89: # bugs to <bug-automake@gnu.org> or send patches to
cannam@89: # <automake-patches@gnu.org>.
cannam@89: 
cannam@89: case $1 in
cannam@89:   '')
cannam@89:      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
cannam@89:      exit 1;
cannam@89:      ;;
cannam@89:   -h | --h*)
cannam@89:     cat <<\EOF
cannam@89: Usage: compile [--help] [--version] PROGRAM [ARGS]
cannam@89: 
cannam@89: Wrapper for compilers which do not understand `-c -o'.
cannam@89: Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
cannam@89: arguments, and rename the output as expected.
cannam@89: 
cannam@89: If you are trying to build a whole package this is not the
cannam@89: right script to run: please start by reading the file `INSTALL'.
cannam@89: 
cannam@89: Report bugs to <bug-automake@gnu.org>.
cannam@89: EOF
cannam@89:     exit $?
cannam@89:     ;;
cannam@89:   -v | --v*)
cannam@89:     echo "compile $scriptversion"
cannam@89:     exit $?
cannam@89:     ;;
cannam@89: esac
cannam@89: 
cannam@89: ofile=
cannam@89: cfile=
cannam@89: eat=
cannam@89: 
cannam@89: for arg
cannam@89: do
cannam@89:   if test -n "$eat"; then
cannam@89:     eat=
cannam@89:   else
cannam@89:     case $1 in
cannam@89:       -o)
cannam@89: 	# configure might choose to run compile as `compile cc -o foo foo.c'.
cannam@89: 	# So we strip `-o arg' only if arg is an object.
cannam@89: 	eat=1
cannam@89: 	case $2 in
cannam@89: 	  *.o | *.obj)
cannam@89: 	    ofile=$2
cannam@89: 	    ;;
cannam@89: 	  *)
cannam@89: 	    set x "$@" -o "$2"
cannam@89: 	    shift
cannam@89: 	    ;;
cannam@89: 	esac
cannam@89: 	;;
cannam@89:       *.c)
cannam@89: 	cfile=$1
cannam@89: 	set x "$@" "$1"
cannam@89: 	shift
cannam@89: 	;;
cannam@89:       *)
cannam@89: 	set x "$@" "$1"
cannam@89: 	shift
cannam@89: 	;;
cannam@89:     esac
cannam@89:   fi
cannam@89:   shift
cannam@89: done
cannam@89: 
cannam@89: if test -z "$ofile" || test -z "$cfile"; then
cannam@89:   # If no `-o' option was seen then we might have been invoked from a
cannam@89:   # pattern rule where we don't need one.  That is ok -- this is a
cannam@89:   # normal compilation that the losing compiler can handle.  If no
cannam@89:   # `.c' file was seen then we are probably linking.  That is also
cannam@89:   # ok.
cannam@89:   exec "$@"
cannam@89: fi
cannam@89: 
cannam@89: # Name of file we expect compiler to create.
cannam@89: cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
cannam@89: 
cannam@89: # Create the lock directory.
cannam@89: # Note: use `[/.-]' here to ensure that we don't use the same name
cannam@89: # that we are using for the .o file.  Also, base the name on the expected
cannam@89: # object file name, since that is what matters with a parallel build.
cannam@89: lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
cannam@89: while true; do
cannam@89:   if mkdir "$lockdir" >/dev/null 2>&1; then
cannam@89:     break
cannam@89:   fi
cannam@89:   sleep 1
cannam@89: done
cannam@89: # FIXME: race condition here if user kills between mkdir and trap.
cannam@89: trap "rmdir '$lockdir'; exit 1" 1 2 15
cannam@89: 
cannam@89: # Run the compile.
cannam@89: "$@"
cannam@89: ret=$?
cannam@89: 
cannam@89: if test -f "$cofile"; then
cannam@89:   mv "$cofile" "$ofile"
cannam@89: elif test -f "${cofile}bj"; then
cannam@89:   mv "${cofile}bj" "$ofile"
cannam@89: fi
cannam@89: 
cannam@89: rmdir "$lockdir"
cannam@89: exit $ret
cannam@89: 
cannam@89: # Local Variables:
cannam@89: # mode: shell-script
cannam@89: # sh-indentation: 2
cannam@89: # eval: (add-hook 'write-file-hooks 'time-stamp)
cannam@89: # time-stamp-start: "scriptversion="
cannam@89: # time-stamp-format: "%:y-%02m-%02d.%02H"
cannam@89: # time-stamp-end: "$"
cannam@89: # End: