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kc3-lang/automake/lib/compile

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  • Author : Jim Meyering
    Date : 2000-04-15 09:13:40
    Hash : 247b9b56
    Message : Remove unnecessary double quotes in assignments.

  • lib/compile
  • #! /bin/sh
    
    # Wrapper for compilers which do not understand `-c -o'.
    
    # Copyright (C) 1999, 2000 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, write to the Free Software
    # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    
    # Usage:
    # compile PROGRAM [ARGS]...
    # `-o FOO.o' is removed from the args passed to the actual compile.
    
    prog=$1
    shift
    
    ofile=
    cfile=
    args=
    while test $# -gt 0; do
       case "$1" in
        -o)
           ofile=$2
           shift
           ;;
        *.c)
           cfile=$1
           args="$args $1"
           ;;
        *)
           args="$args $1"
           ;;
       esac
       shift
    done
    
    test -z "$ofile" && {
       echo "compile: no \`-o' option seen" 1>&2
       exit 1
    }
    
    test -z "$cfile" && {
       echo "compile: no \`.c' file seen" 1>&2
       exit 1
    }
    
    # Name of file we expect compiler to create.
    cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
    
    # Create the lock directory.
    lockdir=`echo $ofile | sed -e 's|/|_|g'`
    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.
    "$prog" $args
    status=$?
    
    if test -f "$cofile"; then
       mv "$cofile" "$ofile"
    fi
    
    rmdir $lockdir
    exit $status