macro(listify OUT_LIST IN_STRING)
    string(REPLACE " " ";" ${OUT_LIST} ${IN_STRING})
endmacro()

listify(MEX_INCLUDE_DIRS_LIST ${MEX_INCLUDE_DIRS})
file(GLOB SOURCE_FILES "${CMAKE_CURRENT_BINARY_DIR}/src/*.cpp")
foreach(SOURCE_FILE ${SOURCE_FILES})
    # compile the source file using mex
    execute_process(
        COMMAND ${MATLAB_MEX_SCRIPT} ${MEX_OPTS} ${MEX_INCLUDE_DIRS_LIST} 
                ${MEX_LIB_DIR} ${MEX_LIBS} ${SOURCE_FILE}
        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
    )
endforeach()