################################################################################
# Copyright 1998-2013 by authors (see AUTHORS.txt)
#
#   This file is part of LuxRender.
#
# 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.
################################################################################

################################################################################
#
# Configuration
#
# Use cmake "-DLUXRAYS_CUSTOM_CONFIG=YouFileCName" To define your personal settings
# where YouFileCName.cname must exist in one of the cmake include directories
# best to use cmake/SpecializedConfig/
# 
# To not load defaults before loading custom values define
# -DLUXRAYS_NO_DEFAULT_CONFIG=true
#
# WARNING: These variables will be cached like any other
#
################################################################################

IF (NOT LUXRAYS_NO_DEFAULT_CONFIG)

  # Disable Boost automatic linking
  ADD_DEFINITIONS(-DBOOST_ALL_NO_LIB)

  IF (WIN32)

    MESSAGE(STATUS "Using default WIN32 Configuration settings")

    IF(MSVC)

      STRING(REGEX MATCH "(Win64)" _carch_x64 ${CMAKE_GENERATOR})
      IF(_carch_x64)
        SET(WINDOWS_ARCH "x64")
      ELSE(_carch_x64)
        SET(WINDOWS_ARCH "x86")
      ENDIF(_carch_x64)
      MESSAGE(STATUS "Building for target ${WINDOWS_ARCH}")

      IF(DEFINED ENV{LUX_WINDOWS_BUILD_ROOT})
        MESSAGE(STATUS "Lux build environment variables found")

        SET(OPENCL_SEARCH_PATH    "$ENV{LUX_WINDOWS_BUILD_ROOT}/include")
        SET(BOOST_SEARCH_PATH     "$ENV{LUX_${WINDOWS_ARCH}_BOOST_ROOT}")
        SET(GLUT_SEARCH_PATH      "$ENV{LUX_${WINDOWS_ARCH}_GLUT_ROOT}")
        SET(GLEW_SEARCH_PATH      "$ENV{LUX_${WINDOWS_ARCH}_GLEW_ROOT}")
        SET(FREEIMAGE_SEARCH_PATH "$ENV{LUX_${WINDOWS_ARCH}_FREEIMAGE_ROOT}/FreeImage")
	SET(QT_QMAKE_EXECUTABLE   "$ENV{LUX_${WINDOWS_ARCH}_QT_ROOT}/bin/qmake.exe")
      ENDIF(DEFINED ENV{LUX_WINDOWS_BUILD_ROOT})

    ELSE(MSVC)

      SET(ENV{QTDIR} "c:/qt/")

      SET(FREEIMAGE_SEARCH_PATH     "${LuxRays_SOURCE_DIR}/../FreeImage")
      SET(BOOST_SEARCH_PATH         "${LuxRays_SOURCE_DIR}/../boost")
      SET(OPENCL_SEARCH_PATH        "${LuxRays_SOURCE_DIR}/../opencl")
      SET(GLUT_SEARCH_PATH          "${LuxRays_SOURCE_DIR}/../freeglut")

    ENDIF(MSVC)

    SET(FreeImage_INC_SEARCH_PATH "${FREEIMAGE_SEARCH_PATH}/source")
    SET(FreeImage_LIB_SEARCH_PATH "${FREEIMAGE_SEARCH_PATH}/release"
                                  "${FREEIMAGE_SEARCH_PATH}/debug"
                                  "${FREEIMAGE_SEARCH_PATH}/dist")

  ENDIF(WIN32)

ELSE(NOT LUXRAYS_NO_DEFAULT_CONFIG)
	
	MESSAGE(STATUS "LUXRAYS_NO_DEFAULT_CONFIG defined - not using default configuration values.")

ENDIF(NOT LUXRAYS_NO_DEFAULT_CONFIG)

# Setup libraries output directory
SET (LIBRARY_OUTPUT_PATH
   ${PROJECT_BINARY_DIR}/lib
   CACHE PATH
   "Single Directory for all Libraries"
   )

# Setup binaries output directory
SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY
	${PROJECT_BINARY_DIR}/bin
   CACHE PATH
   "Single Directory for all binaries"
	)

#
# Overwrite defaults with Custom Settings
#
IF (LUXRAYS_CUSTOM_CONFIG)
	MESSAGE(STATUS "Using custom build config: ${LUXRAYS_CUSTOM_CONFIG}")
	INCLUDE(${LUXRAYS_CUSTOM_CONFIG})
ENDIF (LUXRAYS_CUSTOM_CONFIG)