#!/bin/sh

pathname_separator=/
original_command="$*"

filter_sed="-n"
while test x"$1" != x
do
  case $1 in
    --convert-string )
      shift
      var_src=`echo $1 | sed 's/=.*//'`
      var_dst=`echo $1 | sed 's/^.*=//'`
      if test x != "x${var_src}" -a x != "x${var_dst}"
      then
        convert_string_sed="${convert_string_sed} -e s|"${var_src}"|"${var_dst}"|g"
      fi
      shift
      ;;
    -o )
      shift
      output=$1
      shift
      ;;
    *)
      basename_in_opt=`basename ${pathname_separator}$1`
      filter_sed="${filter_sed} -e /\\${pathname_separator}${basename_in_opt}$/p "
      command_without_o="${command_without_o} $1"
      shift
      ;;
  esac
done

TMPFILE_in=`mktemp ${TMPDIR-/tmp}/make-cc-dep.XXXXXX` \
        || ( echo "$0: Can't create temp file, exiting..." 1>&2 && exit 1 )
TMPFILE_out=`mktemp ${TMPDIR-/tmp}/make-cc-dep.XXXXXX` \
        || ( echo "$0: Can't create temp file, exiting..." 1>&2 && exit 1 )

${command_without_o} -M -o ${TMPFILE_in}
sed < ${TMPFILE_in} > ${TMPFILE_out} '1s/^.*: //;s/ *\\$//'
cp ${TMPFILE_out} ${TMPFILE_in}

sed < ${TMPFILE_in} > ${TMPFILE_out} ${filter_sed}
cp ${TMPFILE_out} ${TMPFILE_in}

if test x != x"${convert_string_sed}"
then
  sed < ${TMPFILE_in} > ${TMPFILE_out} ${convert_string_sed}
  cp ${TMPFILE_out} ${TMPFILE_in}
fi

echo >   ${TMPFILE_out} "#!/bin/sh"
echo >>  ${TMPFILE_out} "# ${original_command}"
if test x != x"${convert_string_sed}"
then
  echo echo "'"${output}: | sed ${convert_string_sed} | tr '\n' ' ' >> ${TMPFILE_out}
else
  echo echo "'"${output}: | tr '\n' ' ' >> ${TMPFILE_out}
fi
tr '\n' ' ' < ${TMPFILE_in} | sed "s/ *$/'/" >> ${TMPFILE_out}
cp ${TMPFILE_out} ${TMPFILE_in}

sed "/^[^#]/s/  */ /g" < ${TMPFILE_in} > ${output}
rm -f ${TMPFILE_in} ${TMPFILE_out}