FUNCTION(mig defFileName)
        set(MIG_EXECUTABLE "${CMAKE_BINARY_DIR}/mig")

        if (NOT MIG_USER_SOURCE_SUFFIX)
                set (MIG_USER_SOURCE_SUFFIX "User.c")
        endif (NOT MIG_USER_SOURCE_SUFFIX)
        if (NOT MIG_USER_HEADER_SUFFIX)
                set (MIG_USER_HEADER_SUFFIX ".h")
        endif (NOT MIG_USER_HEADER_SUFFIX)
        if (NOT MIG_SERVER_SOURCE_SUFFIX)
                set (MIG_SERVER_SOURCE_SUFFIX "Server.c")
        endif (NOT MIG_SERVER_SOURCE_SUFFIX)
        if (NOT MIG_SERVER_HEADER_SUFFIX)
                set (MIG_SERVER_HEADER_SUFFIX "Server.h")
        endif (NOT MIG_SERVER_HEADER_SUFFIX)

        get_directory_property(DirDefs DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} COMPILE_DEFINITIONS)
        get_directory_property(InclDirs DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} INCLUDE_DIRECTORIES)

        set(MIG_FLAGS "")
        foreach (def ${DirDefs})
                set(MIG_FLAGS "${MIG_FLAGS} -D${def}")
        endforeach()
        foreach (dir ${InclDirs})
                set(MIG_FLAGS "${MIG_FLAGS} -I${dir}")
        endforeach()

        # message(STATUS "MIG flags: ${MIG_FLAGS}")
        separate_arguments(MIG_FLAGS)

        string(REPLACE ".defs" "" relativeName "${defFileName}")
        get_filename_component(bareName "${relativeName}" NAME)
        get_filename_component(dirName "${relativeName}" DIRECTORY)
        
        #if ((NOT BITS) OR (BITS EQUAL 64))
        	set(MIG_ARCH "x86-64")
        #else ()
        #	set (MIG_ARCH "i386")
        #endif()

		# I hate myself for the following copy&paste,
		# but I could not figure out a better way.
        if (dirName)
                add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${dirName}
                COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${dirName})

				add_custom_command(OUTPUT
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_SOURCE_SUFFIX}
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_HEADER_SUFFIX}
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_SOURCE_SUFFIX}
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_HEADER_SUFFIX}
						COMMAND
						${MIG_EXECUTABLE}
						-arch ${MIG_ARCH}
						-user ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_SOURCE_SUFFIX}
						-header ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_HEADER_SUFFIX}
						-server ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_SOURCE_SUFFIX}
						-sheader ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_HEADER_SUFFIX}
						${MIG_FLAGS}
						${CMAKE_CURRENT_SOURCE_DIR}/${defFileName}
						DEPENDS
						migcom
						"${CMAKE_CURRENT_BINARY_DIR}/${dirName}"
				)
		else (dirName)
				add_custom_command(OUTPUT
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_SOURCE_SUFFIX}
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_HEADER_SUFFIX}
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_SOURCE_SUFFIX}
						${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_HEADER_SUFFIX}
						COMMAND
						${MIG_EXECUTABLE}
						-arch ${MIG_ARCH}
						-user ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_SOURCE_SUFFIX}
						-header ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_USER_HEADER_SUFFIX}
						-server ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_SOURCE_SUFFIX}
						-sheader ${CMAKE_CURRENT_BINARY_DIR}/${relativeName}${MIG_SERVER_HEADER_SUFFIX}
						${MIG_FLAGS}
						${CMAKE_CURRENT_SOURCE_DIR}/${defFileName}
						DEPENDS
						migcom
						#"${CMAKE_CURRENT_BINARY_DIR}/${dirName}"
				)

        endif (dirName)
ENDFUNCTION(mig)