cmake/ProcessM4.cmake


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MACRO(PROCESS_M4 _defines _input _output)
  GET_FILENAME_COMPONENT(_name ${_output} NAME)
  ADD_CUSTOM_COMMAND(
    OUTPUT ${_output}
    COMMAND m4
    ARGS -P ${_defines} ${_input} > ${_output}
    DEPENDS ${_input}
    VERBATIM)
  ADD_CUSTOM_TARGET(M4_${_name} DEPENDS ${_output})
  ADD_DEPENDENCIES(${PROJECT_NAME} M4_${_name})
ENDMACRO(PROCESS_M4)