configure

#!/bin/sh

usage()
{
  echo "Usage: ./configure [OPTIONS]"
  echo
  echo "Available options:"
  echo "    --prefix=[PATH]  - Specifies the path to install the project."
  echo "                       /usr/local is used by default."
  echo "    --mode=[MODE]    - Specifies the build type used. \"debug\" and"
  echo "                       \"release\" is supported. \"release\" is default"
  exit 1
}

# Detect needed directories
if [ -n "`echo "$0" | grep ^/`" ]; then
  script_dir="`dirname "$0"`"
else
  script_dir="`dirname "${PWD}/${0}"`"
fi
script_dir="`echo "$script_dir" | sed -e 's%/\.$%%'`"
current_dir=`pwd`
cmake_module_dir="${script_dir}/CMake"

# Show help

if [ "$1" = "--help" -o "$1" = "-h" ]; then
  usage
fi

# Default action
build_mode=release
build_prefix=/usr/local

# Parsing the parameters
while true
do
  case ${1} in
    --prefix=*)
      build_prefix=`echo $1 | sed -e 's/--prefix=//g'`
      shift
      ;;
    --mode=*)
      mode=`echo ${1} | sed -e 's/--mode=//g'`
      if [ ${mode} = "debug" -o ${mode} = "release" ]; then
        build_mode=${mode}
      else
        echo "Error: unrecognised build mode ${mode}. Use \"debug\" or \"release\""
        exit 1
      fi
      shift
      ;;
    -*)
      echo "Error: Unrecognized flag: \"$1\""
      usage
      ;;
    *)
      break
      ;;
  esac
done

# ... and configure now
echo "Configuring using prefix \"${build_prefix}\" and mode \"${build_mode}\""
echo
cmake . -DCMAKE_BUILD_TYPE=${build_mode} -DCMAKE_INSTALL_PREFIX=${build_prefix} -DCMAKE_MODULE_PATH=${cmake_module_dir}

echo
if [ $? -eq 0 ]; then
  echo "Configuring using cmake went well. You may run \"make\" now."
else
  echo "There was errors while configuring. Make will not start properly."
fi