CONFIGURE_VARS += \
config_BUILD_CC="$(HOSTCC)" \
config_BUILD_CFLAGS="-O2" \
config_TARGET_CC="$(TARGET_CC)" \
config_TARGET_CFLAGS="$(TARGET_CFLAGS)" \
CONFIGURE_VARS += \
config_BUILD_CC="$(HOSTCC)" \
config_BUILD_CFLAGS="-O2" \
config_TARGET_CC="$(TARGET_CC)" \
config_TARGET_CFLAGS="$(TARGET_CFLAGS)" \