make raspberrypi0w_defconfigexport FORCE_UNSAFE_CONFIGURE=1 Buildroot 내부 툴체인 사용으로 변경make menuconfigToolchain → Toolchain type → (X) Buildroot toolchain 기타 주요 설정 Toolchain → C library → (X) glibc Kernel Headers → (X) 5.x 또는 latest (1) wpa_supplicant 활성화Target packages → Networking applications → [*] wpa_supplicant # wifi chip (BCM43438)Target packages → Hardware handl..