#!/bin/sh
# Copyright 2001-2005 The Apache Software Foundation, or its licensors, as
# applicable.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

prefix=""
cmd="module"

while test $# -gt 0; do
  case "$1" in
    -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
    *) optarg= ;;
  esac

  case "$1" in
    # It is possible for the user to override our prefix.
    --prefix=*)
    prefix=$optarg
    ;;
    --with-apxs=*)
    prefix=$optarg
    ;;
    --clean)
    echo "Cleaning files"
    rm *.o *.lo *.slo *.la
    exit 0
    ;;
    --build)
    cmd="build"
    ;;
    --install)
    cmd="install"
    ;;
    --build-module)
    cmd="build-module"
    ;;
    --install-module)
    cmd="install-module"
    ;;
    --build-helpers)
    cmd="build-helpers"
    ;;
    --install-helpers)
    cmd="install-helpers"
    ;;
  esac

  # Next please.
  shift
done

if test -z "$prefix"; then
  echo "$0 options:"
  echo "--prefix            Location of httpd-2.x install [required]"
  echo '--build             Compile DSO and helpers [default]'
  echo '--build-module      Compile mod_mbox DSO'
  echo "--build-helpers     Compile helper programs"
  echo "--install           Install DSO and helper programs"
  echo "--install-module    Install DSO"
  echo "--install-helpers   Install helper programs"
  echo '--all               Compile and install DSO and helpers'
  echo "--clean             Clean local directory"
  exit 0
fi

if [ -x $prefix/bin/apxs ]; then
  apxs_loc=$prefix/bin/apxs
elif [ -x $prefix ]; then
  apxs_loc=$prefix
else
  echo "APXS not found! (try --prefix=/path/to/httpd-2.0)"
  exit 1
fi

common_files="mbox_cache.c mbox_parse.c mbox_sort.c mbox_thread.c"
helper_programs="mod-mbox-util generate_index calc_threads load_index load_msgid"

build_helpers()
{
    $apxs_loc -c -p -o libcommon.a $common_files
    for prg in $helper_programs; do
      $apxs_loc -c -p -o $prg $prg.c .libs/libcommon.a
      retval=$?
      if test $retval -ne 0; then
        exit $retval
      fi
    done
}

install_helpers()
{
    bindir=`$apxs_loc -q bindir`
    for prg in $helper_programs; do
      echo "Installing $prg"
      if [ -f .libs/$prg ]; then
        cp .libs/$prg $bindir/$prg
      elif [ -f $prg ]; then
        cp $prg $bindir/$prg
      else
        echo "$prg is not found!  Did you compile first?"
        exit 2
      fi
      chmod +x $bindir/$prg
    done
}

build_module()
{
    $apxs_loc -c mod_mbox.c $common_files
    retval=$?
    if test $retval -ne 0; then
      exit $retval
    fi
}

install_module()
{
    $apxs_loc -i -a mod_mbox.la
}

case "$cmd" in
  build-helpers)
    build_helpers
    echo "=== Run $0 --install-helpers to install the helpers.  ==="
    ;;
  build-module)
    build_module
    echo "=== Run $0 --install-module to install the DSO.  ==="
    ;;
  build)
    build_module
    build_helpers
    echo "=== Run $0 --install to install the DSO and helpers.  ==="
    ;;
  install-helpers)
    install_helpers
    ;;
  install-module)
    install_module
    ;;
  install)
    install_module
    install_helpers
    ;;
esac

exit 0