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macro(add_extdirectory DIR TAG) cmake_parse_arguments(ARG "EXCLUDE_FROM_ALL" "" "" ${ARGN}) if(ARG_EXCLUDE_FROM_ALL) add_subdirectory(${DIR} "${CMAKE_BINARY_DIR}/externals/${TAG}" EXCLUDE_FROM_ALL) else(ARG_EXCLUDE_FROM_ALL) add_subdirectory(${DIR} "${CMAKE_BINARY_DIR}/externals/${TAG}") endif(ARG_EXCLUDE_FROM_ALL) endmacro(add_extdirectory) set(ExternalProjectTools_FOUND TRUE)