#!/bin/sh

package=rfpc
version_major=0
version_minor=0
version_micro=0
version=$version_major.$version_minor.$version_micro

install_dir=/usr/local

help () {
  cat <<EOF
Usage: configure [options]

Possible options are:
  -prefix <dir>         install directory (default /usr/local)
  -name                 shows package name
  -version              shows package version
EOF
  exit 1
}

while true; do
  if [ -z "$1" ]; then break; fi
  case $1 in
  -prefix)
    shift
    if [ -z "$1" ]; then help; fi
    install_dir="$1"
    ;;
  -name)
    echo $package
    exit 0
    ;;
  -version)
    echo $version
    exit 0
    ;;
  -help|*)
    help
    ;;
  esac
  shift
done

. ./config.functions

config_mk=config.mk
subdirs_mk=subdirs.mk

if [ -e "$config_mk" ] ; then
  rm $config_mk
fi

if [ -e "$subdirs_mk" ] ; then
  rm $subdirs_mk
fi

if [ -z "$RFP" ]; then RFP="rfp" ; fi
if [ -z "$RFPC" ]; then RFPC="rfpc" ; fi

echon "Checking for working Refal+ compiler... "
cat <<EOF >cfgtest.rf
Main = ;
EOF
if $RFP -o cfgtest cfgtest.rf >/dev/null 2>&1; then
  echo "found"
  rm -f cfgtest cfgtest.rf
else
  echo "not found"
  rm -f cfgtest cfgtest.rf
  exit 1
fi
  
cat >>$config_mk <<EOF
RFP=$RFP
RFPC=$RFPC
EOF

cat >>$subdirs_mk <<EOF
SUBDIRS+=src
EOF