diff --git a/release/src-rt-6.x.4708/Makefile b/release/src-rt-6.x.4708/Makefile
index 36866dc13f..39cde08c5d 100644
--- a/release/src-rt-6.x.4708/Makefile
+++ b/release/src-rt-6.x.4708/Makefile
@@ -21,12 +21,17 @@ PATH := $(RELEASEDIR)/tools:$(PATH)
 
 include target.mak
 
-ifeq ($(CONFIG_TOOLCHAIN53),)
+ifeq ($(CONFIG_TOOLCHAIN53)$(CONFIG_TOOLCHAIN73),)
  export PATH := $(PATH):$(PWD)/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/bin
  export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/lib
 else
- export PATH := $(PATH):$(PWD)/toolchains/hndtools-arm-uclibc-5.3/usr/bin
- export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-uclibc-5.3/usr/lib
+ ifeq ($(CONFIG_TOOLCHAIN73),y)
+  export PATH := $(PATH):$(PWD)/toolchains/hndtools-arm-uclibc-7.3/usr/bin
+  export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-uclibc-7.3/usr/lib
+ else
+  export PATH := $(PATH):$(PWD)/toolchains/hndtools-arm-uclibc-5.3/usr/bin
+  export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-uclibc-5.3/usr/lib
+ endif
 endif
 
 CTAGS_EXCLUDE_OPT := --exclude=kernel_header --exclude=$(PLATFORM)
diff --git a/release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/compiler-gcc7.h b/release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/compiler-gcc7.h
new file mode 100644
index 0000000000..9d3fda3d0d
--- /dev/null
+++ b/release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/compiler-gcc7.h
@@ -0,0 +1,30 @@
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#define __used			__attribute__((__used__))
+#define __must_check 		__attribute__((warn_unused_result))
+#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
+#define __always_inline		inline __attribute__((always_inline))
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
+/* Mark functions as cold. gcc will assume any path leading to a call
+   to them will be unlikely.  This means a lot of manual unlikely()s
+   are unnecessary now for any paths leading to the usual suspects
+   like BUG(), printk(), panic() etc. [but let's keep them for now for
+   older compilers]
+
+   Early snapshots of gcc 4.3 don't support this and we can't detect this
+   in the preprocessor, but we can live with this because they're unreleased.
+   Maketime probing would be overkill here.
+
+   gcc also has a __attribute__((__hot__)) to move hot functions into
+   a special section, but I don't see any sense in this right now in
+   the kernel context */
+#define __cold			__attribute__((__cold__))
+
diff --git a/release/src-rt-6.x.4708/router/Makefile b/release/src-rt-6.x.4708/router/Makefile
index d449b834e4..61345875dc 100644
--- a/release/src-rt-6.x.4708/router/Makefile
+++ b/release/src-rt-6.x.4708/router/Makefile
@@ -415,10 +415,14 @@ ifeq ($(TCONFIG_BCMARM),y)
  include $(SRCBASE)/makefiles/WLAN_Common.mk
  export BASEDIR := $(WLAN_TreeBaseA)
  export EXTRALIBS = -lgcc_s
- ifeq ($(CONFIG_TOOLCHAIN53),)
+ ifeq ($(CONFIG_TOOLCHAIN53)$(CONFIG_TOOLCHAIN73),)
   export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/lib
  else
-  export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-uclibc-5.3/usr/lib
+  ifeq ($(CONFIG_TOOLCHAIN73),y)
+   export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-uclibc-7.3/usr/lib
+  else
+   export LD_LIBRARY_PATH := $(SRCBASE)/toolchains/hndtools-arm-uclibc-5.3/usr/lib
+  endif
  endif
  ifeq (2_6_36,$(LINUX_VERSION))
   ifeq ($(TCONFIG_BCM7),y)
@@ -1374,7 +1378,7 @@ iptables-clean:
 iptables-1.8.x/stamp-h1:
 	$(call patch_files,iptables-1.8.x)
 	cd iptables-1.8.x && ./autogen.sh && \
-		CFLAGS="-Os -Wall $(EXTRACFLAGS) -U CONFIG_NVRAM_SIZE" \
+		CFLAGS="-Os -Wall $(EXTRACFLAGS) -U CONFIG_NVRAM_SIZE $(if $(CONFIG_TOOLCHAIN73),-DCONFIG_TOOLCHAIN73,)" \
 		CPPFLAGS="-Os -Wall $(if $(TCONFIG_CONNTRACK_TOOL),-I$(TOP)/libnfnetlink/include -I$(TOP)/libnetfilter_conntrack/include,)" \
 		LDFLAGS="$(if $(TCONFIG_CONNTRACK_TOOL),-L$(TOP)/libnfnetlink/src/.libs -lnfnetlink -L$(TOP)/libnetfilter_conntrack/src/.libs -Wl$(comma)-rpath$(comma)$(TOP)/libnetfilter_conntrack/src/.libs -Wl$(comma)-rpath$(comma)$(TOP)/libmnl/staged/usr/lib,)" \
 		PKG_CONFIG_PATH="$(if $(TCONFIG_CONNTRACK_TOOL),$(TOP)/libnfnetlink:$(TOP)/libnetfilter_conntrack/staged/usr/lib/pkgconfig,)" \
@@ -2129,7 +2133,7 @@ hotplug2:
 	@$(SEP)
 	$(call patch_files,hotplug2)
 	$(MAKE) -C $@ \
-		EXTRACFLAGS="-Os -Wall $(EXTRACFLAGS) -ffunction-sections -fdata-sections $(if $(CONFIG_TOOLCHAIN53),-DCONFIG_TOOLCHAIN53,)" \
+		EXTRACFLAGS="-Os -Wall $(EXTRACFLAGS) -ffunction-sections -fdata-sections $(if $(CONFIG_TOOLCHAIN53),-DCONFIG_TOOLCHAIN53) $(if $(CONFIG_TOOLCHAIN73),-DCONFIG_TOOLCHAIN73)" \
 		LDFLAGS="-ffunction-sections -fdata-sections -Wl,--gc-sections"
 
 hotplug2-install:
diff --git a/release/src-rt-6.x.4708/router/nas_arm/nas_wksp.c b/release/src-rt-6.x.4708/router/nas_arm/nas_wksp.c
index 78d153f7d3..e70e7a9d8a 100644
--- a/release/src-rt-6.x.4708/router/nas_arm/nas_wksp.c
+++ b/release/src-rt-6.x.4708/router/nas_arm/nas_wksp.c
@@ -1245,9 +1245,9 @@ nas_get_wsec(nas_wksp_t *nwksp, uint8 *mac, char *osifname)
             itr = itr->ai_next;
         }
     }
-    if (addr_ok != 1)
+    if (addr_ok != 1) {
         printf ("\n func=%s, line=%d, get radius addr error:%s", __FUNCTION__, __LINE__, info.radius_addr);
-
+    }
 	((struct sockaddr_in *)&(nwcb->nas.server))->sin_port = info.radius_port;
 }
 #else
diff --git a/release/src-rt-6.x.4708/router/patches/glib2/103-fix-for-newer-toolchain.patch b/release/src-rt-6.x.4708/router/patches/glib2/103-fix-for-newer-toolchain.patch
new file mode 100644
index 0000000000..c8cd74f5be
--- /dev/null
+++ b/release/src-rt-6.x.4708/router/patches/glib2/103-fix-for-newer-toolchain.patch
@@ -0,0 +1,44 @@
+--- glib2/gio/gunixconnection.c
++++ glib2/gio/gunixconnection.c
+@@ -147,6 +147,10 @@
+  *
+  * Since: 2.22
+  **/
++#if defined(__GNUC__) && __GNUC__ >= 5
++#pragma GCC diagnostic push
++#pragma GCC diagnostic ignored "-Wformat-nonliteral"
++#endif
+ gint
+ g_unix_connection_receive_fd (GUnixConnection  *connection,
+                               GCancellable     *cancellable,
+@@ -241,6 +245,9 @@
+   return -1;
+ #endif
+ }
++#if defined(__GNUC__) && __GNUC__ >= 5
++#pragma GCC diagnostic pop
++#endif
+ 
+ static void
+ g_unix_connection_init (GUnixConnection *connection)
+@@ -493,6 +500,10 @@
+  *
+  * Since: 2.26
+  */
++#if defined(__GNUC__) && __GNUC__ >= 5
++#pragma GCC diagnostic push
++#pragma GCC diagnostic ignored "-Wformat-nonliteral"
++#endif
+ GCredentials *
+ g_unix_connection_receive_credentials (GUnixConnection      *connection,
+                                        GCancellable         *cancellable,
+@@ -662,6 +673,9 @@
+   g_object_unref (socket);
+   return ret;
+ }
++#if defined(__GNUC__) && __GNUC__ >= 5
++#pragma GCC diagnostic pop
++#endif
+ 
+ static void
+ receive_credentials_async_thread (GTask         *task,
diff --git a/release/src-rt-6.x.4708/router/patches/hotplug2/101-fix-for-newer-toolchain.patch b/release/src-rt-6.x.4708/router/patches/hotplug2/101-fix-for-newer-toolchain.patch
index d4ef7df418..b4546ea961 100644
--- a/release/src-rt-6.x.4708/router/patches/hotplug2/101-fix-for-newer-toolchain.patch
+++ b/release/src-rt-6.x.4708/router/patches/hotplug2/101-fix-for-newer-toolchain.patch
@@ -4,7 +4,7 @@
   *
   * Returns: Seqnum as read from sysfs
   */
-+#ifndef CONFIG_TOOLCHAIN53
++#if !defined(CONFIG_TOOLCHAIN53) && !defined(CONFIG_TOOLCHAIN73)
  inline event_seqnum_t get_kernel_seqnum() {
 +#else
 +extern inline event_seqnum_t get_kernel_seqnum() {
@@ -16,7 +16,7 @@
   *
   * Returns: Socket fd if succesful, -1 otherwise.
   */
-+#ifndef CONFIG_TOOLCHAIN53
++#if !defined(CONFIG_TOOLCHAIN53) && !defined(CONFIG_TOOLCHAIN73)
  inline int init_netlink_socket(int type) {
 +#else
 +extern inline int init_netlink_socket(int type) {
@@ -30,7 +30,7 @@
   *
   * Returns: Pointer to freshly allocated memory
   */
-+#ifndef CONFIG_TOOLCHAIN53
++#if !defined(CONFIG_TOOLCHAIN53) && !defined(CONFIG_TOOLCHAIN73)
  inline void *xmalloc(size_t size) {
 +#else
 +extern inline void *xmalloc(size_t size) {
@@ -42,7 +42,7 @@
   *
   * Returns: Pointer to reallocated memory
   */
-+#ifndef CONFIG_TOOLCHAIN53
++#if !defined(CONFIG_TOOLCHAIN53) && !defined(CONFIG_TOOLCHAIN73)
  inline void *xrealloc(void *inptr, size_t size) {
 +#else
 +extern inline void *xrealloc(void *inptr, size_t size) {
@@ -50,3 +50,53 @@
  	void *ptr;
  	ptr = realloc(inptr, size);
  	if (ptr == NULL) {
+--- hotplug2/hotplug2.c
++++ hotplug2/hotplug2.c
+@@ -62,7 +62,11 @@
+  *
+  * Returns: void
+  */
++#ifndef CONFIG_TOOLCHAIN73
+ inline void free_hotplug2_event(struct hotplug2_event_t *event) {
++#else
++void free_hotplug2_event(struct hotplug2_event_t *event) {
++#endif
+ 	int i;
+ 	
+ 	for (i = 0; i < event->env_vars_c; i++) {
+@@ -81,7 +85,11 @@
+  *
+  * Returns: Macro of the given action
+  */
++#ifndef CONFIG_TOOLCHAIN73
+ inline int get_hotplug2_event_action(char *action) {
++#else
++int get_hotplug2_event_action(char *action) {
++#endif
+ 	if (!strcmp(action, "add"))
+ 		return ACTION_ADD;
+ 	
+@@ -161,7 +169,11 @@
+  *
+  * Returns: A copy of the source event structure
+  */
++#ifndef CONFIG_TOOLCHAIN73
+ inline struct hotplug2_event_t *dup_hotplug2_event(struct hotplug2_event_t *src) {
++#else
++struct hotplug2_event_t *dup_hotplug2_event(struct hotplug2_event_t *src) {
++#endif
+ 	struct hotplug2_event_t *dest;
+ 	int i;
+ 	
+@@ -189,7 +201,11 @@
+  *
+  * Returns: A new event structure
+  */
++#ifndef CONFIG_TOOLCHAIN73
+ inline struct hotplug2_event_t *get_hotplug2_event(char *event_str, int size) {
++#else
++struct hotplug2_event_t *get_hotplug2_event(char *event_str, int size) {
++#endif
+ 	char *ptr;
+ 	struct hotplug2_event_t *event;
+ 	int skip;
diff --git a/release/src-rt-6.x.4708/router/patches/iptables-1.8.x/101-tomato-additional-files.patch b/release/src-rt-6.x.4708/router/patches/iptables-1.8.x/101-tomato-additional-files.patch
index e4b914f936..847bf3d86d 100644
--- a/release/src-rt-6.x.4708/router/patches/iptables-1.8.x/101-tomato-additional-files.patch
+++ b/release/src-rt-6.x.4708/router/patches/iptables-1.8.x/101-tomato-additional-files.patch
@@ -1149,7 +1149,7 @@
 +
 --- iptables-1.8.x/extensions/libipt_account.c
 +++ iptables-1.8.x/extensions/libipt_account.c
-@@ -0,0 +1,366 @@
+@@ -0,0 +1,374 @@
 +/* Copyright (c) 2004-2009 Piotr 'QuakeR' Gasidlo <quaker@barbara.eu.org>
 + *
 + * This program is free software; you can redistribute it and/or modify
@@ -1325,7 +1325,11 @@
 +}
 +
 +/* validate netmask */
++#ifndef CONFIG_TOOLCHAIN73
 +inline int valid_netmask(u_int32_t netmask) {
++#else
++int valid_netmask(u_int32_t netmask) {
++#endif
 +  while (netmask & 0x80000000)
 +    netmask <<= 1;
 +  if (netmask != 0)
@@ -1334,7 +1338,11 @@
 +}
 +
 +/* validate network/netmask pair */
++#ifndef CONFIG_TOOLCHAIN73
 +inline int valid_network_and_netmask(struct t_ipt_account_info *info) {
++#else
++int valid_network_and_netmask(struct t_ipt_account_info *info) {
++#endif
 +  if (!valid_netmask(info->netmask))
 +    return 0;
 +  if ((info->network & info->netmask) != info->network)
diff --git a/release/src-rt-6.x.4708/shared/bcmutils.c b/release/src-rt-6.x.4708/shared/bcmutils.c
index 8fa36ebbf6..50c02c7de0 100644
--- a/release/src-rt-6.x.4708/shared/bcmutils.c
+++ b/release/src-rt-6.x.4708/shared/bcmutils.c
@@ -1634,7 +1634,7 @@ bcm_ipv6_ntoa(void *ipv6, char *buf)
 
 	for (i = 0; i < IPV6_ADDR_LEN/2; i++) {
 		if ((uint8*) (a + i) == a4) {
-			snprintf(p, 16, ":%u.%u.%u.%u", a4[0], a4[1], a4[2], a4[3]);
+			snprintf(p, 17, ":%u.%u.%u.%u", a4[0], a4[1], a4[2], a4[3]);
 			break;
 		} else if (i == i_max) {
 			*p++ = ':';
diff --git a/release/src-rt-6.x.4708/target.mak b/release/src-rt-6.x.4708/target.mak
index 45f2b47f7e..5ee93a1ff8 100644
--- a/release/src-rt-6.x.4708/target.mak
+++ b/release/src-rt-6.x.4708/target.mak
@@ -7,4 +7,5 @@ export CONFIG_BCMWL5=y
 export CONFIG_BCMWL6=y
 export CONFIG_BCMWL6A=y
 export CONFIG_TOOLCHAIN53=y
+#export CONFIG_TOOLCHAIN73=y
 export TOMATO_EXPERIMENTAL=0
diff --git a/release/src-rt-7.14.114.x/src/linux/linux-2.6.36/include/linux/compiler-gcc7.h b/release/src-rt-7.14.114.x/src/linux/linux-2.6.36/include/linux/compiler-gcc7.h
new file mode 100644
index 0000000000..9d3fda3d0d
--- /dev/null
+++ b/release/src-rt-7.14.114.x/src/linux/linux-2.6.36/include/linux/compiler-gcc7.h
@@ -0,0 +1,30 @@
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#define __used			__attribute__((__used__))
+#define __must_check 		__attribute__((warn_unused_result))
+#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
+#define __always_inline		inline __attribute__((always_inline))
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
+/* Mark functions as cold. gcc will assume any path leading to a call
+   to them will be unlikely.  This means a lot of manual unlikely()s
+   are unnecessary now for any paths leading to the usual suspects
+   like BUG(), printk(), panic() etc. [but let's keep them for now for
+   older compilers]
+
+   Early snapshots of gcc 4.3 don't support this and we can't detect this
+   in the preprocessor, but we can live with this because they're unreleased.
+   Maketime probing would be overkill here.
+
+   gcc also has a __attribute__((__hot__)) to move hot functions into
+   a special section, but I don't see any sense in this right now in
+   the kernel context */
+#define __cold			__attribute__((__cold__))
+
diff --git a/release/src-rt-7.14.114.x/src/target.mak b/release/src-rt-7.14.114.x/src/target.mak
index 12ad212676..b56f71d29d 100644
--- a/release/src-rt-7.14.114.x/src/target.mak
+++ b/release/src-rt-7.14.114.x/src/target.mak
@@ -9,4 +9,5 @@ export CONFIG_BCMWL6A=y
 export CONFIG_BCM7=y
 export CONFIG_BCM714=y
 export CONFIG_TOOLCHAIN53=y
+#export CONFIG_TOOLCHAIN73=y
 export TOMATO_EXPERIMENTAL=0
diff --git a/release/src-rt-7.x.main/src/linux/linux-2.6.36/include/linux/compiler-gcc7.h b/release/src-rt-7.x.main/src/linux/linux-2.6.36/include/linux/compiler-gcc7.h
new file mode 100644
index 0000000000..9d3fda3d0d
--- /dev/null
+++ b/release/src-rt-7.x.main/src/linux/linux-2.6.36/include/linux/compiler-gcc7.h
@@ -0,0 +1,30 @@
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#define __used			__attribute__((__used__))
+#define __must_check 		__attribute__((warn_unused_result))
+#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
+#define __always_inline		inline __attribute__((always_inline))
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
+/* Mark functions as cold. gcc will assume any path leading to a call
+   to them will be unlikely.  This means a lot of manual unlikely()s
+   are unnecessary now for any paths leading to the usual suspects
+   like BUG(), printk(), panic() etc. [but let's keep them for now for
+   older compilers]
+
+   Early snapshots of gcc 4.3 don't support this and we can't detect this
+   in the preprocessor, but we can live with this because they're unreleased.
+   Maketime probing would be overkill here.
+
+   gcc also has a __attribute__((__hot__)) to move hot functions into
+   a special section, but I don't see any sense in this right now in
+   the kernel context */
+#define __cold			__attribute__((__cold__))
+
diff --git a/release/src-rt-7.x.main/src/target.mak b/release/src-rt-7.x.main/src/target.mak
index ba09a17662..9affdc8e85 100644
--- a/release/src-rt-7.x.main/src/target.mak
+++ b/release/src-rt-7.x.main/src/target.mak
@@ -8,4 +8,5 @@ export CONFIG_BCMWL6=y
 export CONFIG_BCMWL6A=y
 export CONFIG_BCM7=y
 export CONFIG_TOOLCHAIN53=y
+#export CONFIG_TOOLCHAIN73=y
 export TOMATO_EXPERIMENTAL=0