HOSTCC="$(HOSTCC)" \
HOSTCFLAGS="$(HOST_CFLAGS) $(HOST_CPPFLAGS) -std=gnu11" \
HOSTLDFLAGS="$(HOST_LDFLAGS)" \
+ LOCALVERSION="-OpenWrt-$(REVISION)" \
STAGING_PREFIX="$(STAGING_DIR_HOST)" \
PKG_CONFIG_PATH="$(STAGING_DIR_HOST)/lib/pkgconfig" \
PKG_CONFIG_LIBDIR="$(STAGING_DIR_HOST)/lib/pkgconfig" \
define Build/Configure/U-Boot
+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) $(UBOOT_CONFIGURE_VARS) $(UBOOT_CONFIG)_config
+ $(if $(strip $(UBOOT_CUSTOMIZE_CONFIG)),
+ $(PKG_BUILD_DIR)/scripts/config --file $(PKG_BUILD_DIR)/.config $(UBOOT_CUSTOMIZE_CONFIG)
+ +$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) $(UBOOT_CONFIGURE_VARS) oldconfig)
endef
DTC=$(wildcard $(LINUX_DIR)/scripts/dtc/dtc)