mkdep

#!/bin/sh
#
# Compute build dependencies
# $Id$
#

unset LANG LC_ALL LC_COLLATE

if [ -x /usr/ucb/echo ]; then
  ucbecho=/usr/ucb/echo
else
  ucbecho=echo
fi

srcdir=`cd ${1:-.} && /bin/pwd`; shift
builddir=`cd ${1:-.} && /bin/pwd`; shift
top_srcdir=`cd ${1:-.} && /bin/pwd`; shift
top_builddir=`cd ${1:-.} && /bin/pwd`; shift

PREFIXLIST=":"
CLINE_genlist=""

addprefix() {
  case "${PREFIXLIST}" in
    *:${1}:*)
      ;;
    *)
      PREFIXLIST="${PREFIXLIST}${1}:"
      ;;
  esac
}

addprefix "${srcdir}"
addprefix "${builddir}"

while test $# -ne 0
do
  case "$1" in
    -I*)
      addprefix `cd "${1#-I}" && /bin/pwd`
      shift
      ;;
    -*)
      shift
      ;;
    *)
      CLINE_genlist="${CLINE_genlist}:${1}"
      shift
      ;;
  esac
done
PREFIXLIST=${PREFIXLIST#:}
PREFIXLIST=${PREFIXLIST%:}

expand_dep() {
  case "${1}" in
    ${top_srcdir}/*)
      echo "${1#${top_srcdir}/}"
      ;;
    ${top_builddir}/*)
      echo "${1#${top_builddir}/}"
      ;;
    *)
      ;;
  esac
}

GPERF_genlist=":src/soap/polyorb-http_headers.adb:src/soap/polyorb-http_methods.adb"
GENCS_genlist=":src/giop/polyorb-giop_p-code_sets-data.ads"
genlist=${GPERF_genlist}${GENCS_genlist}${CLINE_genlist}":`sed -n -e '/^AC_OUTPUT/,/^\]/s/[ 	]*//p' \
  < ${top_srcdir}/configure.ac | grep '.ad[sb]$' | tr '
' ':'`"
makefile=${srcdir}/Makefile.am
MKDEP="### DO NOT REMOVE THIS LINE, IT IS USED BY MAKEDEPEND ###"
rm -f ${makefile}.bak
cp ${makefile} ${makefile}.bak
(sed -e "/$MKDEP/,\$d" < ${makefile}.bak
echo $MKDEP
IFS=":${IFS}"
for alifile in `echo *.ali | tr ' ' '\n' | sort`; do
  echo "Processing ${alifile}..." > /dev/stderr
  withlist=
  while read key unit rest; do
    case "${key}" in
      D)
        for dir in `echo ${PREFIXLIST}`; do
          if [ -f ${dir}/${unit} ]; then
            withlist="${withlist}:`expand_dep \"${dir}/${unit}\"`"
            break
          fi
        done
        ;;
      *)
        ;;
    esac
  done < ${alifile}
  ${ucbecho} -n "${alifile%.ali}.lo:"
  withlist="${withlist#:}"
  echo "${withlist}" | tr ':' '
' | sort | uniq | while read dep; do
    case "${genlist}:" in
      *:${dep}:*)
        qualified_dep="\$(top_builddir)/${dep}"
        if [ -n "${dep}" ]; then
	    ${ucbecho} -n " ${qualified_dep#\$(top_builddir)/`expand_dep ${builddir}`/}"
        fi
        ;;
      *)
        ${ucbecho} -n " \$(top_srcdir)/${dep}"
        ;;
    esac
  done
  echo ""
done
) > ${makefile}