add_subdirectory(bio) add_subdirectory(blowfish) add_subdirectory(cast) add_subdirectory(des) add_subdirectory(rsa) add_library( decrepit $<TARGET_OBJECTS:bio_decrepit> $<TARGET_OBJECTS:blowfish> $<TARGET_OBJECTS:cast> $<TARGET_OBJECTS:des_decrepit> $<TARGET_OBJECTS:rsa_decrepit> )