melunko@917: #! /bin/sh
melunko@917: # Wrapper for compilers which do not understand `-c -o'.
melunko@917: 
melunko@917: scriptversion=2005-05-14.22
melunko@917: 
melunko@917: # Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
melunko@917: # Written by Tom Tromey <tromey@cygnus.com>.
melunko@917: #
melunko@917: # This program is free software; you can redistribute it and/or modify
melunko@917: # it under the terms of the GNU General Public License as published by
melunko@917: # the Free Software Foundation; either version 2, or (at your option)
melunko@917: # any later version.
melunko@917: #
melunko@917: # This program is distributed in the hope that it will be useful,
melunko@917: # but WITHOUT ANY WARRANTY; without even the implied warranty of
melunko@917: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
melunko@917: # GNU General Public License for more details.
melunko@917: #
melunko@917: # You should have received a copy of the GNU General Public License
melunko@917: # along with this program; if not, write to the Free Software
melunko@917: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
melunko@917: 
melunko@917: # As a special exception to the GNU General Public License, if you
melunko@917: # distribute this file as part of a program that contains a
melunko@917: # configuration script generated by Autoconf, you may include it under
melunko@917: # the same distribution terms that you use for the rest of that program.
melunko@917: 
melunko@917: # This file is maintained in Automake, please report
melunko@917: # bugs to <bug-automake@gnu.org> or send patches to
melunko@917: # <automake-patches@gnu.org>.
melunko@917: 
melunko@917: case $1 in
melunko@917:   '')
melunko@917:      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
melunko@917:      exit 1;
melunko@917:      ;;
melunko@917:   -h | --h*)
melunko@917:     cat <<\EOF
melunko@917: Usage: compile [--help] [--version] PROGRAM [ARGS]
melunko@917: 
melunko@917: Wrapper for compilers which do not understand `-c -o'.
melunko@917: Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
melunko@917: arguments, and rename the output as expected.
melunko@917: 
melunko@917: If you are trying to build a whole package this is not the
melunko@917: right script to run: please start by reading the file `INSTALL'.
melunko@917: 
melunko@917: Report bugs to <bug-automake@gnu.org>.
melunko@917: EOF
melunko@917:     exit $?
melunko@917:     ;;
melunko@917:   -v | --v*)
melunko@917:     echo "compile $scriptversion"
melunko@917:     exit $?
melunko@917:     ;;
melunko@917: esac
melunko@917: 
melunko@917: ofile=
melunko@917: cfile=
melunko@917: eat=
melunko@917: 
melunko@917: for arg
melunko@917: do
melunko@917:   if test -n "$eat"; then
melunko@917:     eat=
melunko@917:   else
melunko@917:     case $1 in
melunko@917:       -o)
melunko@917: 	# configure might choose to run compile as `compile cc -o foo foo.c'.
melunko@917: 	# So we strip `-o arg' only if arg is an object.
melunko@917: 	eat=1
melunko@917: 	case $2 in
melunko@917: 	  *.o | *.obj)
melunko@917: 	    ofile=$2
melunko@917: 	    ;;
melunko@917: 	  *)
melunko@917: 	    set x "$@" -o "$2"
melunko@917: 	    shift
melunko@917: 	    ;;
melunko@917: 	esac
melunko@917: 	;;
melunko@917:       *.c)
melunko@917: 	cfile=$1
melunko@917: 	set x "$@" "$1"
melunko@917: 	shift
melunko@917: 	;;
melunko@917:       *)
melunko@917: 	set x "$@" "$1"
melunko@917: 	shift
melunko@917: 	;;
melunko@917:     esac
melunko@917:   fi
melunko@917:   shift
melunko@917: done
melunko@917: 
melunko@917: if test -z "$ofile" || test -z "$cfile"; then
melunko@917:   # If no `-o' option was seen then we might have been invoked from a
melunko@917:   # pattern rule where we don't need one.  That is ok -- this is a
melunko@917:   # normal compilation that the losing compiler can handle.  If no
melunko@917:   # `.c' file was seen then we are probably linking.  That is also
melunko@917:   # ok.
melunko@917:   exec "$@"
melunko@917: fi
melunko@917: 
melunko@917: # Name of file we expect compiler to create.
melunko@917: cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
melunko@917: 
melunko@917: # Create the lock directory.
melunko@917: # Note: use `[/.-]' here to ensure that we don't use the same name
melunko@917: # that we are using for the .o file.  Also, base the name on the expected
melunko@917: # object file name, since that is what matters with a parallel build.
melunko@917: lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
melunko@917: while true; do
melunko@917:   if mkdir "$lockdir" >/dev/null 2>&1; then
melunko@917:     break
melunko@917:   fi
melunko@917:   sleep 1
melunko@917: done
melunko@917: # FIXME: race condition here if user kills between mkdir and trap.
melunko@917: trap "rmdir '$lockdir'; exit 1" 1 2 15
melunko@917: 
melunko@917: # Run the compile.
melunko@917: "$@"
melunko@917: ret=$?
melunko@917: 
melunko@917: if test -f "$cofile"; then
melunko@917:   mv "$cofile" "$ofile"
melunko@917: elif test -f "${cofile}bj"; then
melunko@917:   mv "${cofile}bj" "$ofile"
melunko@917: fi
melunko@917: 
melunko@917: rmdir "$lockdir"
melunko@917: exit $ret
melunko@917: 
melunko@917: # Local Variables:
melunko@917: # mode: shell-script
melunko@917: # sh-indentation: 2
melunko@917: # eval: (add-hook 'write-file-hooks 'time-stamp)
melunko@917: # time-stamp-start: "scriptversion="
melunko@917: # time-stamp-format: "%:y-%02m-%02d.%02H"
melunko@917: # time-stamp-end: "$"
melunko@917: # End: