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#! /bin/sh # Wrapper for compilers which do not understand `-c -o'.

scriptversion=2009-10-06.20; # UTC

# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009 Free Software # Foundation, Inc. # Written by Tom Tromey <tromey@cygnus.com>. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <www.gnu.org/licenses/>.

# As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program.

# This file is maintained in Automake, please report # bugs to <bug-automake@gnu.org> or send patches to # <automake-patches@gnu.org>.

case $1 in

    '')
       echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
       exit 1;
       ;;
    -h | --h*)
      cat <<\EOF

Usage: compile [--help] [--version] PROGRAM [ARGS]

Wrapper for compilers which do not understand `-c -o'. Remove `-o dest.o' from ARGS, run PROGRAM with the remaining arguments, and rename the output as expected.

If you are trying to build a whole package this is not the right script to run: please start by reading the file `INSTALL'.

Report bugs to <bug-automake@gnu.org>. EOF

      exit $?
      ;;
    -v | --v*)
      echo "compile $scriptversion"
      exit $?
      ;;

esac

ofile= cfile= eat=

for arg do

    if test -n "$eat"; then
      eat=
    else
      case $1 in
        -o)
          # configure might choose to run compile as `compile cc -o foo foo.c'.
          # So we strip `-o arg' only if arg is an object.
          eat=1
          case $2 in
            *.o | *.obj)
              ofile=$2
              ;;
            *)
              set x "$@" -o "$2"
              shift
              ;;
          esac
          ;;
        *.c)
          cfile=$1
          set x "$@" "$1"
          shift
          ;;
        *)
          set x "$@" "$1"
          shift
          ;;
      esac
    fi
    shift

done

if test -z "$ofile" || test -z "$cfile"; then

    # If no `-o' option was seen then we might have been invoked from a
    # pattern rule where we don't need one.  That is ok -- this is a
    # normal compilation that the losing compiler can handle.  If no
    # `.c' file was seen then we are probably linking.  That is also
    # ok.
    exec "$@"

fi

# Name of file we expect compiler to create. cofile=`echo "$cfile" | sed 's|^.*||; s|^:||; s/.c$/.o/'`

# Create the lock directory. # Note: use `[/\:.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. lockdir=`echo "$cofile" | sed -e 's||_|g'`.d while true; do

    if mkdir "$lockdir" >/dev/null 2>&1; then
      break
    fi
    sleep 1

done # FIXME: race condition here if user kills between mkdir and trap. trap "rmdir '$lockdir'; exit 1" 1 2 15

# Run the compile. "$@" ret=$?

if test -f "$cofile"; then

    test "$cofile" = "$ofile" || mv "$cofile" "$ofile"

elif test -f "${cofile}bj"; then

    test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"

fi

rmdir "$lockdir" exit $ret

# Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End:

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