# add in local source and headers here FILE(GLOB src_files ./src/*.cpp) FILE(GLOB incl_files ./src/*.h) # append to the local scope copy, and then copy up to parent scope list(APPEND SOURCE_FILES ${src_files}) set(SOURCE_FILES ${SOURCE_FILES} PARENT_SCOPE) list(APPEND SOURCE_INCLUDE_FILES ${incl_files}) set(SOURCE_INCLUDE_FILES ${SOURCE_INCLUDE_FILES} PARENT_SCOPE)