# A mettre juste apres la definition de CGoGN_ROOT_DIR a la racine du CGoGN_Apps
# include(${CGoGN_ROOT_DIR}/build/apps_cmake.txt)

SET(CMAKE_MODULE_PATH ${CGoGN_ROOT_DIR}/cmake_modules/)

#SET ( WITH_ASSIMP ON CACHE BOOL "need Assimp")
#SET ( WITH_ZINRI ON CACHE BOOL "need Zinri lib")

IF(EXISTS "${CGoGN_ROOT_DIR}/ThirdParty/include/Assimp")
	SET ( WITH_ASSIMP ON CACHE BOOL "build CGoGN with Assimp" )
ELSE()
	SET ( WITH_ASSIMP OFF CACHE BOOL "build CGoGN with Assimp" )
ENDIF()

IF(EXISTS "${CGoGN_ROOT_DIR}/ThirdParty/include/Zinri")
	SET ( WITH_ZINRI ON CACHE BOOL "build CGoGN with Zinri lib" )
ELSE()
	SET ( WITH_ZINRI OFF CACHE BOOL "build CGoGN with Zinri lib" )
ENDIF()

SET ( WITH_QT ON CACHE BOOL "need Qt lib")


# for CGoGN in one lib or not
file(STRINGS ${CGoGN_ROOT_DIR}/include/cgogn_onelib.h ONELIB_STR)
IF (ONELIB_STR EQUAL 1)
	SET(CGoGN_LIBS cgogn)
ELSE()
	SET(CGoGN_LIBS algo topology container utils)
ENDIF()

IF(WIN32)
	set(CMAKE_PREFIX_PATH ${CGoGN_ROOT_DIR}/windows_dependencies CACHE STRING "path to dependencies")
ENDIF(WIN32)

find_package(OpenGL REQUIRED)
find_package(Boost COMPONENTS regex REQUIRED)
find_package(ZLIB REQUIRED)
find_package(LibXml2 REQUIRED)
find_package(GLEW REQUIRED)

IF (DEFINED ASSERTON)
	add_definitions(-DCGOGN_ASSERT_BOOL=${ASSERTON})
ELSE (DEFINED ASSERTON)
	add_definitions(-DCGOGN_ASSERT_BOOL=false)
ENDIF (DEFINED ASSERTON)

add_definitions(-DSHADERPATH="${CGoGN_ROOT_DIR}/lib/Shaders/")

# define includes of external libs 
SET(COMMON_INCLUDES 
	${CGoGN_ROOT_DIR}/ThirdParty/include
	${OPENGL_INCLUDE_DIR}
	${GLEW_INCLUDE_DIRS}
	${ZLIB_INCLUDE_DIRS}
	${LIBXML2_INCLUDE_DIR}
	${Boost_INCLUDE_DIRS}
)

# define libs for external libs
SET (COMMON_LIBS 
	nl
	${OPENGL_LIBRARY}
	${GLEW_LIBRARIES}
	${ZLIB_LIBRARIES}
	${LIBXML2_LIBRARIES}
	${Boost_SYSTEM_LIBRARY}
	${Boost_REGEX_LIBRARY}
)

IF(WIN32)
	SET (COMMON_INCLUDES ${COMMON_INCLUDES} ${CGoGN_ROOT_DIR}/windows_dependencies/include/suitesparse)
	SET (COMMON_LIBS ${COMMON_LIBS} 
		${CGoGN_ROOT_DIR}/windows_dependencies/lib/suitesparse.lib
		${CGoGN_ROOT_DIR}/windows_dependencies/lib/metis.lib
		${CGoGN_ROOT_DIR}/windows_dependencies/lib/liblapack.lib
		${CGoGN_ROOT_DIR}/windows_dependencies/lib/libblas.lib		)
ELSE(WIN32)
	find_package(SuiteSparse REQUIRED)
	SET (COMMON_INCLUDES ${COMMON_INCLUDES} ${SUITESPARSE_INCLUDE_DIRS})
	SET (COMMON_LIBS ${SUITESPARSE_LIBRARIES} lapack blas ${COMMON_LIBS} )

ENDIF(WIN32)

#optionnal libs
IF (WITH_ASSIMP)
	add_definitions(-DWITH_ASSIMP)	
	SET (COMMON_LIBS ${COMMON_LIBS} assimp)
ENDIF (WITH_ASSIMP)

IF (WITH_ZINRI)
	add_definitions(-DWITH_ZINRI)
	SET (COMMON_LIBS ${COMMON_LIBS} Zinri)
ENDIF (WITH_ZINRI)

IF (WITH_QT)
	add_definitions(-DWITH_QT)
	find_package(Qt4 REQUIRED)
	SET(QT_USE_QTCORE TRUE)
	SET(QT_USE_QTOPENGL TRUE)
	SET(QT_USE_QTSVG TRUE)
	SET(QT_USE_QTXML TRUE )
	INCLUDE(${QT_USE_FILE})
	ADD_DEFINITIONS(${QT_DEFINITIONS})
	find_package(QGLViewer REQUIRED)
	SET (COMMON_INCLUDES ${COMMON_INCLUDES} ${QT_INCLUDE_DIR} ${QGLVIEWER_INCLUDE_DIR})
	SET (COMMON_LIBS ${COMMON_LIBS} ${QT_LIBRARIES} ${QGLVIEWER_LIBRARIES})
ENDIF (WITH_QT)

IF(APPLE)
	SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -L/usr/local/lib")
ENDIF(APPLE)

# qq definition specifiques pour windows
IF(WIN32)
	set(CMAKE_PREFIX_PATH ${CGoGN_ROOT_DIR}/windows_dependencies CACHE STRING "path to dependencies")
	set(CMAKE_CONFIGURATION_TYPES Release Debug)
	set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING "Only Release or Debug" FORCE)
ELSE()
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -fPIC -std=c++11")
	SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")

	if(CMAKE_COMPILER_IS_GNUCXX)
		execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
		if (GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
			SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-local-typedefs")
			SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-local-typedefs")
		endif()
	endif()
	
ENDIF()

IF(NOT CMAKE_BUILD_TYPE)
	IF (${CMAKE_CURRENT_BINARY_DIR} MATCHES "(.*)Debug|(.*)debug")
		set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
	ELSE()
		set(CMAKE_BUILD_TYPE "Release" CACHE STRING "options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
	ENDIF()
ENDIF()

SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/bin/${CMAKE_BUILD_TYPE})

IF(WIN32)
	link_directories( ${CGoGN_ROOT_DIR}/lib/${ConfigurationName}  ${Boost_LIBRARY_DIRS})
	SET(EXECUTABLE_OUTPUT_PATH ${CGoGN_ROOT_DIR}/bin/) # Release/Debug added automatically by visual
ELSE ()
	link_directories( ${CGoGN_ROOT_DIR}/lib/${CMAKE_BUILD_TYPE})
	SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/bin/${CMAKE_BUILD_TYPE})
ENDIF ()