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    1: #! /bin/sh
    2: # Wrapper for compilers which do not understand `-c -o'.
    3: 
    4: scriptversion=2009-04-28.21; # UTC
    5: 
    6: # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009  Free Software
    7: # Foundation, Inc.
    8: # Written by Tom Tromey <tromey@cygnus.com>.
    9: #
   10: # This program is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2, or (at your option)
   13: # any later version.
   14: #
   15: # This program is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
   22: 
   23: # As a special exception to the GNU General Public License, if you
   24: # distribute this file as part of a program that contains a
   25: # configuration script generated by Autoconf, you may include it under
   26: # the same distribution terms that you use for the rest of that program.
   27: 
   28: # This file is maintained in Automake, please report
   29: # bugs to <bug-automake@gnu.org> or send patches to
   30: # <automake-patches@gnu.org>.
   31: 
   32: case $1 in
   33:   '')
   34:      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
   35:      exit 1;
   36:      ;;
   37:   -h | --h*)
   38:     cat <<\EOF
   39: Usage: compile [--help] [--version] PROGRAM [ARGS]
   40: 
   41: Wrapper for compilers which do not understand `-c -o'.
   42: Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
   43: arguments, and rename the output as expected.
   44: 
   45: If you are trying to build a whole package this is not the
   46: right script to run: please start by reading the file `INSTALL'.
   47: 
   48: Report bugs to <bug-automake@gnu.org>.
   49: EOF
   50:     exit $?
   51:     ;;
   52:   -v | --v*)
   53:     echo "compile $scriptversion"
   54:     exit $?
   55:     ;;
   56: esac
   57: 
   58: ofile=
   59: cfile=
   60: eat=
   61: 
   62: for arg
   63: do
   64:   if test -n "$eat"; then
   65:     eat=
   66:   else
   67:     case $1 in
   68:       -o)
   69:     # configure might choose to run compile as `compile cc -o foo foo.c'.
   70:     # So we strip `-o arg' only if arg is an object.
   71:     eat=1
   72:     case $2 in
   73:       *.o | *.obj)
   74:         ofile=$2
   75:         ;;
   76:       *)
   77:         set x "$@" -o "$2"
   78:         shift
   79:         ;;
   80:     esac
   81:     ;;
   82:       *.c)
   83:     cfile=$1
   84:     set x "$@" "$1"
   85:     shift
   86:     ;;
   87:       *)
   88:     set x "$@" "$1"
   89:     shift
   90:     ;;
   91:     esac
   92:   fi
   93:   shift
   94: done
   95: 
   96: if test -z "$ofile" || test -z "$cfile"; then
   97:   # If no `-o' option was seen then we might have been invoked from a
   98:   # pattern rule where we don't need one.  That is ok -- this is a
   99:   # normal compilation that the losing compiler can handle.  If no
  100:   # `.c' file was seen then we are probably linking.  That is also
  101:   # ok.
  102:   exec "$@"
  103: fi
  104: 
  105: # Name of file we expect compiler to create.
  106: cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
  107: 
  108: # Create the lock directory.
  109: # Note: use `[/\\:.-]' here to ensure that we don't use the same name
  110: # that we are using for the .o file.  Also, base the name on the expected
  111: # object file name, since that is what matters with a parallel build.
  112: lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
  113: while true; do
  114:   if mkdir "$lockdir" >/dev/null 2>&1; then
  115:     break
  116:   fi
  117:   sleep 1
  118: done
  119: # FIXME: race condition here if user kills between mkdir and trap.
  120: trap "rmdir '$lockdir'; exit 1" 1 2 15
  121: 
  122: # Run the compile.
  123: "$@"
  124: ret=$?
  125: 
  126: if test -f "$cofile"; then
  127:   mv "$cofile" "$ofile"
  128: elif test -f "${cofile}bj"; then
  129:   mv "${cofile}bj" "$ofile"
  130: fi
  131: 
  132: rmdir "$lockdir"
  133: exit $ret
  134: 
  135: # Local Variables:
  136: # mode: shell-script
  137: # sh-indentation: 2
  138: # eval: (add-hook 'write-file-hooks 'time-stamp)
  139: # time-stamp-start: "scriptversion="
  140: # time-stamp-format: "%:y-%02m-%02d.%02H"
  141: # time-stamp-time-zone: "UTC"
  142: # time-stamp-end: "; # UTC"
  143: # End: