update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/package/ifupdown/ifupdown.mk

@@ -0,0 +1,35 @@
+################################################################################
+#
+# ifupdown
+#
+################################################################################
+
+IFUPDOWN_VERSION = 0.8.16
+IFUPDOWN_SOURCE = ifupdown_$(IFUPDOWN_VERSION).tar.xz
+IFUPDOWN_SITE = http://snapshot.debian.org/archive/debian/20160922T165503Z/pool/main/i/ifupdown
+IFUPDOWN_DEPENDENCIES = $(if $(BR2_PACKAGE_BUSYBOX),busybox)
+IFUPDOWN_LICENSE = GPLv2+
+IFUPDOWN_LICENSE_FILES = COPYING
+
+define IFUPDOWN_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) \
+		CFLAGS="$(TARGET_CFLAGS) -std=gnu99 -D'IFUPDOWN_VERSION=\"$(IFUPDOWN_VERSION)\"'" \
+		-C $(@D)
+endef
+
+# install doesn't overwrite
+define IFUPDOWN_INSTALL_TARGET_CMDS
+	$(RM) $(TARGET_DIR)/sbin/{ifdown,ifquery}
+	$(TARGET_MAKE_ENV) $(MAKE) BASEDIR=$(TARGET_DIR) -C $(@D) install
+endef
+
+# We need to switch from /bin/ip to /sbin/ip
+IFUPDOWN_DEFN_FILES = can inet inet6 ipx link meta
+define IFUPDOWN_MAKE_IP_IN_SBIN
+	for f in $(IFUPDOWN_DEFN_FILES) ; do \
+		$(SED) 's,/bin/ip,/sbin/ip,' $(@D)/$$f.defn ; \
+	done
+endef
+IFUPDOWN_POST_PATCH_HOOKS += IFUPDOWN_MAKE_IP_IN_SBIN
+
+$(eval $(generic-package))