# Configure EMSchur3D 
set(EMSCHUR3D_VERSION_MAJOR "0")
set(EMSCHUR3D_VERSION_MINOR "0")
set(EMSCHUR3D_VERSION_PATCH "1")
set(EMSCHUR3D_VERSION "\"${EMSCHUR3D_VERSION_MAJOR}.${EMSCHUR3D_VERSION_MINOR}.${EMSCHUR3D_VERSION_PATCH}\"")
set(EMSCHUR3D_VERSION_NOQUOTES "${EMSCHUR3D_VERSION_MAJOR}.${EMSCHUR3D_VERSION_MINOR}.${EMSCHUR3D_VERSION_PATCH}")

option ( LEMMA_MODULE_EMSCHUR3D TRUE )

find_package( SuperLU )
if (SUPERLU_FOUND)
	message( STATUS "SuperLU was found" )
	add_compile_options(-DHAVE_SUPERLU)
	INCLUDE_DIRECTORIES(${SUPERLU_INCLUDES})
endif()

find_package( PaSTiX )
if ( PASTIX_FOUND )
	message( STATUS "PaSTiX was found" )
	add_compile_options(-DHAVE_PASTIX)
	INCLUDE_DIRECTORIES(${PASTIX_INCLUDES})
endif()

find_package( Umfpack )
if ( UMFPACK_FOUND )
	message( STATUS "Umfpack was found" )
	add_compile_options(-DHAVE_UMFPACK)
	INCLUDE_DIRECTORIES(${UMFPACK_INCLUDES})
endif()

if ( LEMMA_VTK6_SUPPORT OR LEMMA_VTK7_SUPPORT OR LEMMA_VTK8_SUPPORT AND LEMMA_MODULE_EMSCHUR3D ) 

	configure_file (
		"${CMAKE_CURRENT_SOURCE_DIR}/config/EMSchur3DConfig.h.in"
		"${PROJECT_BINARY_DIR}/include/EMSchur3DConfig.h"
	)
	install ( FILES  ${PROJECT_BINARY_DIR}/include/EMSchur3DConfig.h   DESTINATION ${CMAKE_INSTALL_PREFIX}/include/Lemma/ )

	add_subdirectory("src")
	add_library( emschur3d ${EMSCHUR3DSOURCE} )  
	target_include_directories( emschur3d PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include" )

	set_target_properties(emschur3d PROPERTIES 
		VERSION  "${EMSCHUR3D_VERSION_NOQUOTES}"
		SOVERSION "${EMSCHUR3D_VERSION_MAJOR}.${LEMMA_VERSION_MINOR}"
		PROJECT_LABEL "EMSCHUR3D ${LABEL_SUFFIX}"
    	CXX_STANDARD_14
    	CXX_STANDARD_REQUIRED_ON
	)

	# Linking
	target_link_libraries(emschur3d "lemmacore" "fdem1d" )

	# Linking
	target_link_libraries(emschur3d ${VTK_LIBRARIES})
if ( SUPERLU_FOUND )
	target_link_libraries(emschur3d ${SUPERLU_LIBRARIES})
endif()
if ( PASTIX_FOUND )
	target_link_libraries(emschur3d ${PASTIX_LIBRARIES})
	target_link_libraries(emschur3d "blas" "metis" "scotch" "scotchmetis" "scotcherr" "scotcherrexit" "hwloc")
endif()
if ( UMFPACK_FOUND )
	target_link_libraries(emschur3d ${UMFPACK_LIBRARIES})
endif()

	# Testing
	if (LEMMA_ENABLE_TESTING)
		add_subdirectory(testing)
	endif()

	# Install
	install ( TARGETS emschur3d DESTINATION ${CMAKE_INSTALL_PREFIX}/lib )
	install ( FILES include/EMSchur3D  DESTINATION ${CMAKE_INSTALL_PREFIX}/include/Lemma ) 
	install ( DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_PREFIX}/include/Lemma  FILES_MATCHING PATTERN "*.h")

	#install ( DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_PREFIX}/include/Lemma/  FILES_MATCHING PATTERN "FDEM1D")
	#install ( DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_PREFIX}/include/Lemma/FDEM1D  FILES_MATCHING PATTERN "*.h")

	# Examples
	if (	LEMMA_BUILD_EXAMPLES)
		add_subdirectory(examples)
	endif()
else()
	if ( LEMMA_MODULE_EMSCHUR3D )
        message ( FATAL_ERROR
	          "EMSChur3D requires VTK 6, 7, or 8"	
		)
	endif()
       
endif()