configure

#!/bin/sh

# NOTE: this is a simple script wrapper around the cmake command line
# tools, for those used to the autotools configure script conventions

if ! which cmake > /dev/null; then
  echo "ERROR: You need the 'cmake' program to configure the build process."
  echo "Please install 'cmake' first, then try again."
  exit 1
fi

print_help()
{
  echo "This is a simple configure script wrapper around cmake build system."
  echo "Parameters are:"
  echo "  --prefix=<path>         Set the install prefix to path"
  echo "  --enable-debug          Enable debug (non-optimized) build"
  echo "  --disable-color-make    Disable color output for Makefiles"
  echo "  --enable-sdl2           Compile with libsdl 2.0 instead of 1.2"
  echo
  echo "Please run cmake directly for full control over the build."
  echo
}

cmake_args=""
build_type="Release"

while [ $# -gt 0 ]
do
  preq=${1%=*}			# get part before =
  case $preq
  in
    --help)
      print_help
      exit 0
    ;;
    --prefix)
      prefix=${1##*=}		# get part after =
      cmake_args="$cmake_cmd -DCMAKE_INSTALL_PREFIX:PATH=$prefix"
    ;;
    --enable-debug)
      build_type="Debug"
      cmake_args="$cmake_args -DCMAKE_BUILD_TYPE:STRING=Debug"
    ;;
    --disable-debug)
      build_type="Release"
      cmake_args="$cmake_args -DCMAKE_BUILD_TYPE:STRING=Release"
    ;;
    --enable-color-make)
      cmake_args="$cmake_args -DCMAKE_COLOR_MAKEFILE:BOOL=1"
    ;;
    --disable-color-make)
      cmake_args="$cmake_args -DCMAKE_COLOR_MAKEFILE:BOOL=0"
    ;;
    --enable-sdl2)
      cmake_args="$cmake_args -DENABLE_SDL2:BOOL=1"
    ;;
    --disable-sdl2)
      cmake_args="$cmake_args -DENABLE_SDL2:BOOL=0"
    ;;
    *)
      echo "Invalid argument: $preq"
      echo "Run $0 --help for a list of valid parameters."
      exit 2
    ;;
  esac
  shift 1
done

cmake `dirname $0` $cmake_args || exit 1

echo
echo "Now you must type: make; make install"
echo "to actually build and install the software"
echo