macro(configure_msvc_runtime)
	if(MSVC)
		# Set compiler options.
		set(variables
			CMAKE_C_FLAGS
			CMAKE_C_FLAGS_DEBUG
			CMAKE_C_FLAGS_MINSIZEREL
			CMAKE_C_FLAGS_RELEASE
			CMAKE_C_FLAGS_RELWITHDEBINFO
			CMAKE_CXX_FLAGS
			CMAKE_CXX_FLAGS_DEBUG
			CMAKE_CXX_FLAGS_MINSIZEREL
			CMAKE_CXX_FLAGS_RELEASE
			CMAKE_CXX_FLAGS_RELWITHDEBINFO)

		if(BUILD_SHARED_LIBS)
			set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
		else()
			if(NOT MSVC_DYNAMIC_RUNTIME)
				message(STATUS "MSVC: using statically-linked runtime (/MT and /MTd).")
				foreach(variable ${variables})
					if(${variable} MATCHES "/MD")
						string(REGEX REPLACE "/MD" "/MT" ${variable} "${${variable}}")
					endif()
				endforeach()
			endif()
		endif()

		foreach(variable ${variables})
			if(${variable} MATCHES "/Ob0")
				string(REGEX REPLACE "/Ob0" "/Ob2" ${variable} "${${variable}}")
			endif()
		endforeach()

		foreach(variable ${variables})
			if(${variable} MATCHES "/W3")
				string(REGEX REPLACE "/W3" "/W2" ${variable} "${${variable}}")
			endif()
		endforeach()

		foreach(variable ${variables})
			set(${variable} "${${variable}}" CACHE STRING "MSVC_${variable}" FORCE)
		endforeach()
	endif()
endmacro(configure_msvc_runtime)