154568cb3Sopenharmony_ci
254568cb3Sopenharmony_ciif(${CONFIG_INTERNAL_OS_PLATFORM_M4})
354568cb3Sopenharmony_ci    add_subdirectory(cortex-m4)
454568cb3Sopenharmony_ciendif()
554568cb3Sopenharmony_ciadd_subdirectory(common)
6