#!/bin/sh

#
# makedepend which uses 'gcc -M'
#
# $XFree86: xc/config/util/gccmdep.cpp,v 3.3 1996/02/25 01:16:15 dawes Exp $
#
# Based on mdepend.cpp and code supplied by Hongjiu Lu <hjl@nynexst.com>
#

TMP=/tmp/mdep$$
CC="m68k-atari-mint-gcc"
RM="rm -f"
LN="ln -s"
MV="mv -f"

trap "$RM ${TMP}*; exit 1" 1 2 15
trap "$RM ${TMP}*; exit 0" 1 2 13

files=
makefile=
endmarker=
magic_string='# DO NOT DELETE'
append=n
args=
asmfiles=

while [ $# != 0 ]; do
    if [ "$endmarker"x != x -a "$endmarker" = "$1" ]; then
 endmarker=
    else
 case "$1" in
     -D*|-I*)
  args="$args '$1'"
  ;;
     -g|-o)
  ;;
     *)
  if [ "$endmarker"x = x ]; then
      case $1 in
# ignore these flags
   -w|-o|-cc)
       shift
       ;;
   -v)
       ;;
   -s)
       magic_string="$2"
       shift
       ;;
   -f-)
       makefile="-"
       ;;
   -f)
       makefile="$2"
       shift
       ;;
   --*)
       endmarker=`echo $1 | sed 's/^\-\-//'`
       if [ "$endmarker"x = x ]; then
    endmarker="--"
       fi
       ;;
   -a)
       append=y
       ;;
   -*)
       echo "Unknown option '$1' ignored" 1>&2
       ;;
   *)
       files="$files $1"
       ;;
      esac
  fi
  ;;
 esac
    fi
    shift
done

if [ x"$files" = x ]; then
# Nothing to do
    exit 0
fi

case "$makefile" in
    '')
 if [ -r makefile ]; then
     makefile=makefile
 elif [ -r Makefile ]; then
     makefile=Makefile
 else
     echo 'no makefile or Makefile found' 1>&2
     exit 1
 fi
 ;;
esac

if [ X"$makefile" != X- ]; then
    if [ x"$append" = xn ]; then
        sed -e "/^$magic_string/,\$d" < $makefile > $TMP
        echo "$magic_string" >> $TMP
    else
        cp $makefile $TMP
    fi
fi

# need to link .s files to .S
for i in $files; do
    case $i in
 *.s)
     dir=`dirname $i`
     base=`basename $i .s`
     (cd $dir; $RM ${base}.S; $LN ${base}.s ${base}.S)
     asmfiles="$asmfiles ${base}.S"
     ;;
    esac
done

CMD="$CC -M $args `echo $files | sed -e 's,\.s$,\.S,g' -e 's,\.s ,\.S ,g'` | 	sed -e 's,\.S$,\.s,g' -e 's,\.S ,\.s ,g'"

if [ X"$makefile" != X- ]; then
    CMD="$CMD >> $TMP"
fi
eval $CMD
if [ X"$makefile" != X- ]; then
    $RM ${makefile}.bak
    $MV $makefile ${makefile}.bak
    $MV $TMP $makefile
fi

if [ x"$asmfiles" != x ]; then
    $RM $asmfiles
fi
$RM ${TMP}*
exit 0
