#! /bin/sh
# depgen - generate makefile dependencies for sources listed in args
# Copyright (C) 2002 Ed Cashin
# 
# 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
# of the License, 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.
# 

makefile=makefile

printf '# make rules generated by depgen %s -*- makefile -*-\n' "`date +%Y%m%d`"
for f in "$@"; do
    hdeps=
    hfiles=`sed -n 's/^ *#include  *[<"]\(.*\.h\)[">].*/\1/p' $f | xargs`; 
    for h in $hfiles; do
        if test ! $h = config.h -a -r $h; then
            hdeps="$hdeps \${srcdir}/$h"
        fi
    done
    obj=`echo $f | sed -e 's/\(.*\)\..*$/\1.o/'`
    printf "%s\n\t%s\n" "$obj : \${srcdir}/$f $hdeps $makefile" \
      "\${COMPILE} \${srcdir}/$f"
done