OpenCVModule.cmake

# this is template for a OpenCV module 
macro(define_opencv_module name)
	
	project(opencv_${name})
	add_definitions(-DCVAPI_EXPORTS)

	include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include"
	                    "${CMAKE_CURRENT_SOURCE_DIR}/src"
	                    "${CMAKE_CURRENT_BINARY_DIR}")
	
	foreach(d ${ARGN})
		if(${d} MATCHES "opencv_")
			if(${d} MATCHES "opencv_lapack")
			else()
				string(REPLACE "opencv_" "${CMAKE_CURRENT_SOURCE_DIR}/../" d_dir ${d})
				include_directories("${d_dir}/include")
			endif()
		endif()
  	endforeach()

	file(GLOB lib_srcs "src/*.cpp")
	file(GLOB lib_int_hdrs "src/*.h*")
	source_group("Src" FILES ${lib_srcs} ${lib_int_hdrs})

	file(GLOB lib_hdrs "include/opencv2/${name}/*.h*")
	source_group("Include" FILES ${lib_hdrs})

	set(the_target "opencv_${name}")

	add_library(${the_target} ${lib_srcs} ${lib_hdrs} ${lib_int_hdrs})

	if(PCHSupport_FOUND)
	    set(pch_header ${CMAKE_CURRENT_SOURCE_DIR}/src/precomp.hpp)
	    if(${CMAKE_GENERATOR} MATCHES "Visual*" OR ${CMAKE_GENERATOR} MATCHES "Xcode*")
	        if(${CMAKE_GENERATOR} MATCHES "Visual*")
	            set(${the_target}_pch "src/precomp.cpp")
	        endif()            
	        add_native_precompiled_header(${the_target} ${pch_header})
	    elseif(CMAKE_COMPILER_IS_GNUCXX AND ${CMAKE_GENERATOR} MATCHES ".*Makefiles")
	        add_precompiled_header(${the_target} ${pch_header})
	    endif()
	endif()

	# For dynamic link numbering convenions
	set_target_properties(${the_target} PROPERTIES
	    VERSION ${OPENCV_VERSION}
	    SOVERSION ${OPENCV_SOVERSION}
	    OUTPUT_NAME "${the_target}${OPENCV_DLLVERSION}"
	    )

	# Additional target properties
	set_target_properties(${the_target} PROPERTIES
	    DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
	    ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib/"
	    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/"
	    INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib"
	    )

	# Add the required libraries for linking:
	target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${IPP_LIBS} ${ARGN})

	if(MSVC)
	    if(CMAKE_CROSSCOMPILING)
	        set_target_properties(${the_target} PROPERTIES
	            LINK_FLAGS "/NODEFAULTLIB:secchk"
	            )
	    endif()
	    set_target_properties(${the_target} PROPERTIES
	        LINK_FLAGS "/NODEFAULTLIB:libc"
	        )
	endif()

	# Dependencies of this target:
	add_dependencies(${the_target} ${ARGN})

	install(TARGETS ${the_target}
	    RUNTIME DESTINATION bin COMPONENT main
	    LIBRARY DESTINATION lib COMPONENT main
	    ARCHIVE DESTINATION lib COMPONENT main)

	install(FILES ${lib_hdrs}
	    DESTINATION include/opencv2/${name}
	    COMPONENT main)

endmacro()