diff --git a/toolchain/binutils/Config.in b/toolchain/binutils/Config.in
index 44c7db0..203b0b8 100644
--- a/toolchain/binutils/Config.in
+++ b/toolchain/binutils/Config.in
@@ -2,21 +2,14 @@
 
 choice
 	prompt "Binutils Version" if TOOLCHAINOPTS
-	default BINUTILS_USE_VERSION_2_27 if !arc
-	default BINUTILS_USE_VERSION_2_26_ARC if arc
+	default BINUTILS_USE_VERSION_2_27
 	help
 	  Select the version of binutils you wish to use.
 
 	config BINUTILS_USE_VERSION_2_27
-		depends on !arc
 		bool "Binutils 2.27"
 		select BINUTILS_VERSION_2_27
 
-	config BINUTILS_USE_VERSION_2_26_ARC
-		depends on arc
-		bool "ARC binutils 2.26"
-		select BINUTILS_VERSION_2_26_ARC
-
 endchoice
 
 config EXTRA_BINUTILS_CONFIG_OPTIONS
diff --git a/toolchain/binutils/Config.version b/toolchain/binutils/Config.version
index e23b35f..ae45faa 100644
--- a/toolchain/binutils/Config.version
+++ b/toolchain/binutils/Config.version
@@ -1,13 +1,8 @@
 config BINUTILS_VERSION_2_27
-	default y if (!TOOLCHAINOPTS && !arc)
-	bool
-
-config BINUTILS_VERSION_2_26_ARC
-	default y if (!TOOLCHAINOPTS && arc)
+	default y if (!TOOLCHAINOPTS)
 	bool
 
 config BINUTILS_VERSION
 	string
 	default "2.27"		       if BINUTILS_VERSION_2_27
-	default "arc-2016.03"          if BINUTILS_VERSION_2_26_ARC
 
diff --git a/toolchain/binutils/Makefile b/toolchain/binutils/Makefile
index 8b015a2..e73e1a4 100644
--- a/toolchain/binutils/Makefile
+++ b/toolchain/binutils/Makefile
@@ -17,15 +17,6 @@ ifeq ($(PKG_VERSION),2.27)
   PKG_HASH:=369737ce51587f92466041a97ab7d2358c6d9e1b6490b3940eb09fb0a9a6ac88
 endif
 
-ifneq ($(CONFIG_BINUTILS_VERSION_2_26_ARC),)
-  PKG_SOURCE_URL:=https://github.com/foss-for-synopsys-dwc-arc-processors/binutils-gdb/archive/arc-2016.03/
-  PKG_REV:=2016.03
-  PKG_SOURCE:=$(PKG_NAME)-arc-$(PKG_REV).tar.gz
-  PKG_HASH:=6583a0cd5c7251dc895a47c797a9b011e466c23377d2ca7548a707fdb918fba1
-  BINUTILS_DIR:=$(PKG_NAME)-gdb-arc-$(PKG_REV)
-  HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(BINUTILS_DIR)
-endif
-
 HOST_BUILD_PARALLEL:=1
 
 PATCH_DIR:=./patches/$(PKG_VERSION)
diff --git a/toolchain/binutils/patches/2.27/0001-Select-OSABI-version-at-compile-time.patch b/toolchain/binutils/patches/2.27/0001-Select-OSABI-version-at-compile-time.patch
new file mode 100644
index 0000000..b79a7d5
--- /dev/null
+++ b/toolchain/binutils/patches/2.27/0001-Select-OSABI-version-at-compile-time.patch
@@ -0,0 +1,45 @@
+From bcfa34ffaf93cfd3ff6bc07fb52e11b886d64545 Mon Sep 17 00:00:00 2001
+From: Claudiu Zissulescu <claziss@synopsys.com>
+Date: Tue, 26 Jul 2016 11:24:14 +0200
+Subject: [PATCH] Select OSABI version at compile time
+
+---
+ binutils/readelf.c | 3 +++
+ include/elf/arc.h  | 6 +++++-
+ 2 files changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/binutils/readelf.c b/binutils/readelf.c
+index 274ddd17266a..36128190bb94 100644
+--- a/binutils/readelf.c
++++ b/binutils/readelf.c
+@@ -2406,6 +2406,9 @@ decode_ARC_machine_flags (unsigned e_flags, unsigned e_machine, char buf[])
+     case E_ARC_OSABI_V3:
+       strcat (buf, ", v3 no-legacy-syscalls ABI");
+       break;
++    case E_ARC_OSABI_V4:
++      strcat (buf, ", v4 ABI");
++      break;
+     default:
+       strcat (buf, ", unrecognised ARC OSABI flag");
+       break;
+diff --git a/include/elf/arc.h b/include/elf/arc.h
+index 47381f360858..789080b8accf 100644
+--- a/include/elf/arc.h
++++ b/include/elf/arc.h
+@@ -55,8 +55,12 @@ END_RELOC_NUMBERS (R_ARC_max)
+ #define E_ARC_OSABI_ORIG	0x00000000   /* MUST be 0 for back-compat.  */
+ #define E_ARC_OSABI_V2		0x00000200
+ #define E_ARC_OSABI_V3		0x00000300
++#define E_ARC_OSABI_V4		0x00000400
++#ifdef __ARC_OSABI_V3
+ #define E_ARC_OSABI_CURRENT	E_ARC_OSABI_V3
+-
++#else
++#define E_ARC_OSABI_CURRENT	E_ARC_OSABI_V4
++#endif
+ /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.  */
+ 
+ /* File contains position independent code.  */
+-- 
+2.7.4
+
diff --git a/toolchain/binutils/patches/arc-2016.03/200-arc-fix-target-mask.patch b/toolchain/binutils/patches/arc-2016.03/200-arc-fix-target-mask.patch
deleted file mode 100644
index 7e51d588..0000000
--- a/toolchain/binutils/patches/arc-2016.03/200-arc-fix-target-mask.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/bfd/config.bfd b/bfd/config.bfd
-index 5145d4a..a9c9c99 100644
---- a/bfd/config.bfd
-+++ b/bfd/config.bfd
-@@ -275,7 +275,7 @@ case "${targ}" in
-     targ_defvec=am33_elf32_linux_vec
-     ;;
- 
--  arc*-*-elf* | arc*-*-linux-uclibc*)
-+  arc*-*-elf* | arc*-*-linux-*)
-     targ_defvec=arc_elf32_le_vec
-     targ_selvecs=arc_elf32_be_vec
-     ;;
diff --git a/toolchain/gcc/Config.in b/toolchain/gcc/Config.in
index 34c597c..29677b8 100644
--- a/toolchain/gcc/Config.in
+++ b/toolchain/gcc/Config.in
@@ -2,28 +2,21 @@
 
 choice
 	prompt "GCC compiler Version" if TOOLCHAINOPTS
-	default GCC_USE_VERSION_4_8_ARC if arc
+	default GCC_USE_VERSION_6 if arc
 	default GCC_USE_VERSION_5
 	help
 	  Select the version of gcc you wish to use.
 
-	config GCC_USE_VERSION_4_8_ARC
-		select GCC_VERSION_4_8_ARC
-		bool "gcc 4.8.x with support of ARC cores"
-		depends on arc
-
 	config GCC_USE_VERSION_5
 		bool "gcc 5.x"
 		depends on !arc
 
 	config GCC_USE_VERSION_6
 		bool "gcc 6.x"
-		depends on !arc
 
 endchoice
 
 config GCC_USE_GRAPHITE
-	depends on !GCC_VERSION_4_8_ARC
 	bool
 	prompt "Compile in support for the new Graphite framework in GCC 4.4+" if TOOLCHAINOPTS
 
@@ -69,7 +62,6 @@ config INSTALL_GFORTRAN
 config INSTALL_GCCGO
 	bool
 	prompt "Build/install Go compiler?" if TOOLCHAINOPTS
-	depends on !GCC_VERSION_4_8 && (USE_GLIBC || BROKEN)
 	default n
 	help
 	    Build/install GNU gccgo compiler ?
diff --git a/toolchain/gcc/Config.version b/toolchain/gcc/Config.version
index 2eefd37..05ada9a 100644
--- a/toolchain/gcc/Config.version
+++ b/toolchain/gcc/Config.version
@@ -1,13 +1,4 @@
-config GCC_VERSION_4_8_ARC
-	default y if (!TOOLCHAINOPTS && arc)
-	bool
-
 config GCC_VERSION
 	string
-	default "arc-2016.03"   if GCC_VERSION_4_8_ARC
-	default "6.3.0"         if GCC_USE_VERSION_6
+	default "6.3.0"         if GCC_USE_VERSION_6 || (!TOOLCHAINOPTS && arc)
 	default "5.4.0"
-
-config GCC_VERSION_4_8
-	bool
-	default y	if GCC_VERSION_4_8_ARC
diff --git a/toolchain/gcc/common.mk b/toolchain/gcc/common.mk
index c6e01b5..6ee7efd 100644
--- a/toolchain/gcc/common.mk
+++ b/toolchain/gcc/common.mk
@@ -36,16 +36,6 @@ ifeq ($(PKG_VERSION),6.3.0)
   PKG_HASH:=f06ae7f3f790fbf0f018f6d40e844451e6bc3b7bc96e128e63b09825c1f8b29f
 endif
 
-ifneq ($(CONFIG_GCC_VERSION_4_8_ARC),)
-    PKG_VERSION:=4.8.5
-    PKG_SOURCE_URL:=https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/archive/arc-2016.03
-    PKG_SOURCE:=$(PKG_NAME)-$(GCC_VERSION).tar.gz
-    PKG_HASH:=6a5eb0c83dca16f228ac836677a1fbb42a53c30334487ac37c2c18db80a38f35
-    PKG_REV:=2016.03
-    GCC_DIR:=gcc-arc-$(PKG_REV)
-    HOST_BUILD_DIR = $(BUILD_DIR_HOST)/$(PKG_NAME)-$(GCC_VERSION)
-endif
-
 PATCH_DIR=../patches/$(GCC_VERSION)
 
 BUGURL=http://www.lede-project.org/bugs/
diff --git a/toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch b/toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch
deleted file mode 100644
index 162d651..0000000
--- a/toolchain/gcc/patches/arc-2016.03/001-revert_register_mode_search.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-Revert of:
-
-commit 275035b56823b26d5fb7e90fad945b998648edf2
-Author: bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4>
-Date:   Thu Sep 5 14:09:07 2013 +0000
-
-        PR target/58139
-        * reginfo.c (choose_hard_reg_mode): Scan through all mode classes
-        looking for widest mode.
-
-
-    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202286 138bc75d-0d04-0410-961f-82ee72b054a4
-
-
---- a/gcc/reginfo.c
-+++ b/gcc/reginfo.c
-@@ -620,35 +620,40 @@ choose_hard_reg_mode (unsigned int regno
-        mode = GET_MODE_WIDER_MODE (mode))
-     if ((unsigned) hard_regno_nregs[regno][mode] == nregs
- 	&& HARD_REGNO_MODE_OK (regno, mode)
--	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
--	&& GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
-+	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
-       found_mode = mode;
- 
-+  if (found_mode != VOIDmode)
-+    return found_mode;
-+
-   for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT);
-        mode != VOIDmode;
-        mode = GET_MODE_WIDER_MODE (mode))
-     if ((unsigned) hard_regno_nregs[regno][mode] == nregs
- 	&& HARD_REGNO_MODE_OK (regno, mode)
--	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
--	&& GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
-+	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
-       found_mode = mode;
- 
-+  if (found_mode != VOIDmode)
-+    return found_mode;
-+
-   for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT);
-        mode != VOIDmode;
-        mode = GET_MODE_WIDER_MODE (mode))
-     if ((unsigned) hard_regno_nregs[regno][mode] == nregs
- 	&& HARD_REGNO_MODE_OK (regno, mode)
--	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
--	&& GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
-+	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
-       found_mode = mode;
- 
-+  if (found_mode != VOIDmode)
-+    return found_mode;
-+
-   for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT);
-        mode != VOIDmode;
-        mode = GET_MODE_WIDER_MODE (mode))
-     if ((unsigned) hard_regno_nregs[regno][mode] == nregs
- 	&& HARD_REGNO_MODE_OK (regno, mode)
--	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
--	&& GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
-+	&& (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
-       found_mode = mode;
- 
-   if (found_mode != VOIDmode)
diff --git a/toolchain/gcc/patches/arc-2016.03/002-weak_data_fix.patch b/toolchain/gcc/patches/arc-2016.03/002-weak_data_fix.patch
deleted file mode 100644
index a740b4c..0000000
--- a/toolchain/gcc/patches/arc-2016.03/002-weak_data_fix.patch
+++ /dev/null
@@ -1,42 +0,0 @@
---- /dev/null
-+++ b/gcc/testsuite/gcc.dg/visibility-21.c
-@@ -0,0 +1,14 @@
-+/* PR target/32219 */
-+/* { dg-do run } */
-+/* { dg-require-visibility "" } */
-+/* { dg-options "-fPIC" { target fpic } } */
-+
-+extern void f() __attribute__((weak,visibility("hidden")));
-+extern int puts( char const* );
-+int main()
-+{
-+	if (f)
-+		f();
-+	return 0;
-+}
-+
---- a/gcc/varasm.c
-+++ b/gcc/varasm.c
-@@ -6677,6 +6677,10 @@ default_binds_local_p_1 (const_tree exp,
-   /* Static variables are always local.  */
-   else if (! TREE_PUBLIC (exp))
-     local_p = true;
-+  /* hidden weak can't be overridden by something non-local, all
-+     that is possible is that it is not defined at all. */
-+  else if (DECL_WEAK (exp))
-+    local_p = false;
-   /* A variable is local if the user has said explicitly that it will
-      be.  */
-   else if ((DECL_VISIBILITY_SPECIFIED (exp)
-@@ -6690,11 +6694,6 @@ default_binds_local_p_1 (const_tree exp,
-      local.  */
-   else if (DECL_VISIBILITY (exp) != VISIBILITY_DEFAULT)
-     local_p = true;
--  /* Default visibility weak data can be overridden by a strong symbol
--     in another module and so are not local.  */
--  else if (DECL_WEAK (exp)
--	   && !resolved_locally)
--    local_p = false;
-   /* If PIC, then assume that any global name can be overridden by
-      symbols resolved from other modules.  */
-   else if (shlib)
diff --git a/toolchain/gcc/patches/arc-2016.03/003-universal_initializer.patch b/toolchain/gcc/patches/arc-2016.03/003-universal_initializer.patch
deleted file mode 100644
index 1b9a5b3..0000000
--- a/toolchain/gcc/patches/arc-2016.03/003-universal_initializer.patch
+++ /dev/null
@@ -1,94 +0,0 @@
---- a/gcc/c/c-typeck.c
-+++ b/gcc/c/c-typeck.c
-@@ -62,9 +62,9 @@ int in_typeof;
-    if expr.original_code == SIZEOF_EXPR.  */
- tree c_last_sizeof_arg;
- 
--/* Nonzero if we've already printed a "missing braces around initializer"
--   message within this initializer.  */
--static int missing_braces_mentioned;
-+/* Nonzero if we might need to print a "missing braces around
-+   initializer" message within this initializer.  */
-+static int found_missing_braces;
- 
- static int require_constant_value;
- static int require_constant_elements;
-@@ -6363,6 +6363,9 @@ static int constructor_nonconst;
- /* 1 if this constructor is erroneous so far.  */
- static int constructor_erroneous;
- 
-+/* 1 if this constructor is the universal zero initializer { 0 }.  */
-+static int constructor_zeroinit;
-+
- /* Structure for managing pending initializer elements, organized as an
-    AVL tree.  */
- 
-@@ -6524,7 +6527,7 @@ start_init (tree decl, tree asmspec_tree
-   constructor_stack = 0;
-   constructor_range_stack = 0;
- 
--  missing_braces_mentioned = 0;
-+  found_missing_braces = 0;
- 
-   spelling_base = 0;
-   spelling_size = 0;
-@@ -6619,6 +6622,7 @@ really_start_incremental_init (tree type
-   constructor_type = type;
-   constructor_incremental = 1;
-   constructor_designated = 0;
-+  constructor_zeroinit = 1;
-   designator_depth = 0;
-   designator_erroneous = 0;
- 
-@@ -6816,11 +6820,8 @@ push_init_level (int implicit, struct ob
- 	set_nonincremental_init (braced_init_obstack);
-     }
- 
--  if (implicit == 1 && warn_missing_braces && !missing_braces_mentioned)
--    {
--      missing_braces_mentioned = 1;
--      warning_init (OPT_Wmissing_braces, "missing braces around initializer");
--    }
-+  if (implicit == 1)
-+    found_missing_braces = 1;
- 
-   if (TREE_CODE (constructor_type) == RECORD_TYPE
- 	   || TREE_CODE (constructor_type) == UNION_TYPE)
-@@ -6953,16 +6954,23 @@ pop_init_level (int implicit, struct obs
- 	}
-     }
- 
-+  if (vec_safe_length (constructor_elements) != 1)
-+    constructor_zeroinit = 0;
-+
-+  /* Warn when some structs are initialized with direct aggregation.  */
-+  if (!implicit && found_missing_braces && warn_missing_braces
-+      && !constructor_zeroinit)
-+    {
-+      warning_init (OPT_Wmissing_braces,
-+		    "missing braces around initializer");
-+    }
-+
-   /* Warn when some struct elements are implicitly initialized to zero.  */
-   if (warn_missing_field_initializers
-       && constructor_type
-       && TREE_CODE (constructor_type) == RECORD_TYPE
-       && constructor_unfilled_fields)
-     {
--	bool constructor_zeroinit =
--	 (vec_safe_length (constructor_elements) == 1
--	  && integer_zerop ((*constructor_elements)[0].value));
--
- 	/* Do not warn for flexible array members or zero-length arrays.  */
- 	while (constructor_unfilled_fields
- 	       && (!DECL_SIZE (constructor_unfilled_fields)
-@@ -8077,6 +8085,9 @@ process_init_element (struct c_expr valu
-   designator_depth = 0;
-   designator_erroneous = 0;
- 
-+  if (!implicit && value.value && !integer_zerop (value.value))
-+    constructor_zeroinit = 0;
-+
-   /* Handle superfluous braces around string cst as in
-      char x[] = {"foo"}; */
-   if (string_flag
diff --git a/toolchain/gcc/patches/arc-2016.03/004-case_insensitive.patch b/toolchain/gcc/patches/arc-2016.03/004-case_insensitive.patch
deleted file mode 100644
index b3d2dbe..0000000
--- a/toolchain/gcc/patches/arc-2016.03/004-case_insensitive.patch
+++ /dev/null
@@ -1,14 +0,0 @@
---- a/include/filenames.h
-+++ b/include/filenames.h
-@@ -43,11 +43,6 @@ extern "C" {
- #  define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c)
- #  define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f)
- #else /* not DOSish */
--#  if defined(__APPLE__)
--#    ifndef HAVE_CASE_INSENSITIVE_FILE_SYSTEM
--#      define HAVE_CASE_INSENSITIVE_FILE_SYSTEM 1
--#    endif
--#  endif /* __APPLE__ */
- #  define HAS_DRIVE_SPEC(f) (0)
- #  define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c)
- #  define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f)
diff --git a/toolchain/gcc/patches/arc-2016.03/010-documentation.patch b/toolchain/gcc/patches/arc-2016.03/010-documentation.patch
deleted file mode 100644
index 5548069..0000000
--- a/toolchain/gcc/patches/arc-2016.03/010-documentation.patch
+++ /dev/null
@@ -1,23 +0,0 @@
---- a/gcc/Makefile.in
-+++ b/gcc/Makefile.in
-@@ -4327,18 +4327,10 @@ doc/gcc.info: $(TEXI_GCC_FILES)
- doc/gccint.info: $(TEXI_GCCINT_FILES)
- doc/cppinternals.info: $(TEXI_CPPINT_FILES)
- 
--doc/%.info: %.texi
--	if [ x$(BUILD_INFO) = xinfo ]; then \
--		$(MAKEINFO) $(MAKEINFOFLAGS) -I . -I $(gcc_docdir) \
--			-I $(gcc_docdir)/include -o $@ $<; \
--	fi
-+doc/%.info:
- 
- # Duplicate entry to handle renaming of gccinstall.info
--doc/gccinstall.info: $(TEXI_GCCINSTALL_FILES)
--	if [ x$(BUILD_INFO) = xinfo ]; then \
--		$(MAKEINFO) $(MAKEINFOFLAGS) -I $(gcc_docdir) \
--			-I $(gcc_docdir)/include -o $@ $<; \
--	fi
-+doc/gccinstall.info:
- 
- doc/cpp.dvi: $(TEXI_CPP_FILES)
- doc/gcc.dvi: $(TEXI_GCC_FILES)
diff --git a/toolchain/gcc/patches/arc-2016.03/020-no-plt-backport.patch b/toolchain/gcc/patches/arc-2016.03/020-no-plt-backport.patch
deleted file mode 100644
index b225376..0000000
--- a/toolchain/gcc/patches/arc-2016.03/020-no-plt-backport.patch
+++ /dev/null
@@ -1,28 +0,0 @@
---- a/gcc/calls.c
-+++ b/gcc/calls.c
-@@ -176,6 +176,12 @@ prepare_call_address (tree fndecl, rtx f
- 	       && targetm.small_register_classes_for_mode_p (FUNCTION_MODE))
- 	      ? force_not_mem (memory_address (FUNCTION_MODE, funexp))
- 	      : memory_address (FUNCTION_MODE, funexp));
-+  else if (flag_pic && !flag_plt && fndecl
-+	   && TREE_CODE (fndecl) == FUNCTION_DECL
-+	   && !targetm.binds_local_p (fndecl))
-+    {
-+      funexp = force_reg (Pmode, funexp);
-+    }
-   else if (! sibcallp)
-     {
- #ifndef NO_FUNCTION_CSE
---- a/gcc/common.opt
-+++ b/gcc/common.opt
-@@ -1617,6 +1617,10 @@ fpie
- Common Report Var(flag_pie,1) Negative(fPIC)
- Generate position-independent code for executables if possible (small mode)
- 
-+fplt
-+Common Report Var(flag_plt) Init(1)
-+Use PLT for PIC calls (-fno-plt: load the address from GOT at call site)
-+
- fplugin=
- Common Joined RejectNegative Var(common_deferred_options) Defer
- Specify a plugin to load
diff --git a/toolchain/gcc/patches/arc-2016.03/210-disable_libsanitizer_off_t_check.patch b/toolchain/gcc/patches/arc-2016.03/210-disable_libsanitizer_off_t_check.patch
deleted file mode 100644
index 5608469..0000000
--- a/toolchain/gcc/patches/arc-2016.03/210-disable_libsanitizer_off_t_check.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/libsanitizer/interception/interception_type_test.cc
-+++ b/libsanitizer/interception/interception_type_test.cc
-@@ -31,7 +31,7 @@ COMPILER_CHECK(sizeof(OFF64_T) == sizeof
- // rest (they depend on _FILE_OFFSET_BITS setting when building an application).
- # if defined(__ANDROID__) || !defined _FILE_OFFSET_BITS || \
-   _FILE_OFFSET_BITS != 64
--COMPILER_CHECK(sizeof(OFF_T) == sizeof(off_t));
-+// COMPILER_CHECK(sizeof(OFF_T) == sizeof(off_t));
- # endif
- 
- #endif
diff --git a/toolchain/gcc/patches/arc-2016.03/800-arc-disablelibgmon.patch b/toolchain/gcc/patches/arc-2016.03/800-arc-disablelibgmon.patch
deleted file mode 100644
index 612883c..0000000
--- a/toolchain/gcc/patches/arc-2016.03/800-arc-disablelibgmon.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-diff --git a/libgcc/config.host b/libgcc/config.host
-index e768389..aec10c7 100644
---- a/libgcc/config.host
-+++ b/libgcc/config.host
-@@ -320,11 +320,11 @@ alpha*-dec-*vms*)
- 	;;
- arc*-*-elf*)
- 	tmake_file="arc/t-arc-newlib arc/t-arc"
--	extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o libgmon.a crtg.o crtgend.o crttls_r25.o crttls_r30.o"
-+	extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o crtg.o crtgend.o crttls_r25.o crttls_r30.o"
- 	;;
- arc*-*-linux-uclibc*)
- 	tmake_file="${tmake_file} t-slibgcc-libgcc t-slibgcc-nolc-override arc/t-arc700-uClibc arc/t-arc"
--	extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o libgmon.a crtg.o crtgend.o"
-+	extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o crtg.o crtgend.o"
- 	;;
- arm-wrs-vxworks)
- 	tmake_file="$tmake_file arm/t-arm arm/t-vxworks t-softfp-sfdf t-softfp-excl arm/t-softfp t-softfp"
diff --git a/toolchain/gcc/patches/arc-2016.03/820-libgcc_pic.patch b/toolchain/gcc/patches/arc-2016.03/820-libgcc_pic.patch
deleted file mode 100644
index 7a0ac73..0000000
--- a/toolchain/gcc/patches/arc-2016.03/820-libgcc_pic.patch
+++ /dev/null
@@ -1,36 +0,0 @@
---- a/libgcc/Makefile.in
-+++ b/libgcc/Makefile.in
-@@ -865,11 +865,12 @@ $(libgcov-objects): %$(objext): $(srcdir
- 
- # Static libraries.
- libgcc.a: $(libgcc-objects)
-+libgcc_pic.a: $(libgcc-s-objects)
- libgcov.a: $(libgcov-objects)
- libunwind.a: $(libunwind-objects)
- libgcc_eh.a: $(libgcc-eh-objects)
- 
--libgcc.a libgcov.a libunwind.a libgcc_eh.a:
-+libgcc.a libgcov.a libunwind.a libgcc_eh.a libgcc_pic.a:
- 	-rm -f $@
- 
- 	objects="$(objects)";					\
-@@ -891,7 +892,7 @@ libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_E
- endif
- 
- ifeq ($(enable_shared),yes)
--all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
-+all: libgcc_eh.a libgcc_pic.a libgcc_s$(SHLIB_EXT)
- ifneq ($(LIBUNWIND),)
- all: libunwind$(SHLIB_EXT)
- endif
-@@ -1058,6 +1059,10 @@ install-shared:
- 	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
- 	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
- 
-+	$(INSTALL_DATA) libgcc_pic.a $(mapfile) $(DESTDIR)$(inst_libdir)/
-+	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_pic.a
-+	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_pic.a
-+
- 	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
- 		@shlib_base_name@,libgcc_s,$(subst \
- 		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
diff --git a/toolchain/gcc/patches/arc-2016.03/850-use_shared_libgcc.patch b/toolchain/gcc/patches/arc-2016.03/850-use_shared_libgcc.patch
deleted file mode 100644
index 6934bc9..0000000
--- a/toolchain/gcc/patches/arc-2016.03/850-use_shared_libgcc.patch
+++ /dev/null
@@ -1,47 +0,0 @@
---- a/gcc/config/arm/linux-eabi.h
-+++ b/gcc/config/arm/linux-eabi.h
-@@ -131,10 +131,6 @@
- #define ENDFILE_SPEC \
-   LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
- 
--/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
--   do not use -lfloat.  */
--#undef LIBGCC_SPEC
--
- /* Clear the instruction cache from `beg' to `end'.  This is
-    implemented in lib1funcs.S, so ensure an error if this definition
-    is used.  */
---- a/gcc/config/linux.h
-+++ b/gcc/config/linux.h
-@@ -51,6 +51,10 @@ see the files COPYING3 and COPYING.RUNTI
- 	builtin_assert ("system=posix");			\
-     } while (0)
- 
-+#ifndef LIBGCC_SPEC
-+#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}"
-+#endif
-+
- /* Determine which dynamic linker to use depending on whether GLIBC or
-    uClibc or Bionic is the default C library and whether
-    -muclibc or -mglibc or -mbionic has been passed to change the default.  */
---- a/libgcc/mkmap-symver.awk
-+++ b/libgcc/mkmap-symver.awk
-@@ -132,5 +132,5 @@ function output(lib) {
-   else if (inherit[lib])
-     printf("} %s;\n", inherit[lib]);
-   else
--    printf ("\n  local:\n\t*;\n};\n");
-+    printf ("\n\t*;\n};\n");
- }
---- a/gcc/config/rs6000/linux.h
-+++ b/gcc/config/rs6000/linux.h
-@@ -61,6 +61,9 @@
- #undef  CPLUSPLUS_CPP_SPEC
- #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
- 
-+#undef LIBGCC_SPEC
-+#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
-+
- #undef  LINK_SHLIB_SPEC
- #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
- 
diff --git a/toolchain/gcc/patches/arc-2016.03/851-libgcc_no_compat.patch b/toolchain/gcc/patches/arc-2016.03/851-libgcc_no_compat.patch
deleted file mode 100644
index 80c3476..0000000
--- a/toolchain/gcc/patches/arc-2016.03/851-libgcc_no_compat.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- a/libgcc/config/t-libunwind
-+++ b/libgcc/config/t-libunwind
-@@ -2,8 +2,7 @@
- 
- HOST_LIBGCC2_CFLAGS += -DUSE_GAS_SYMVER
- 
--LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c \
--  $(srcdir)/unwind-compat.c $(srcdir)/unwind-dw2-fde-compat.c
-+LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
- LIB2ADDEHSTATIC = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
- 
- # Override the default value from t-slibgcc-elf-ver and mention -lunwind
diff --git a/toolchain/gcc/patches/arc-2016.03/860-use_eh_frame.patch b/toolchain/gcc/patches/arc-2016.03/860-use_eh_frame.patch
deleted file mode 100644
index 1ac83fe..0000000
--- a/toolchain/gcc/patches/arc-2016.03/860-use_eh_frame.patch
+++ /dev/null
@@ -1,42 +0,0 @@
---- a/libgcc/unwind-dw2-fde-dip.c
-+++ b/libgcc/unwind-dw2-fde-dip.c
-@@ -46,33 +46,13 @@
- #include "unwind-compat.h"
- #include "gthr.h"
- 
--#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
--    && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
--	|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
--# define USE_PT_GNU_EH_FRAME
--#endif
--
--#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
--    && defined(__BIONIC__)
--# define USE_PT_GNU_EH_FRAME
--#endif
--
--#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
--    && defined(__FreeBSD__) && __FreeBSD__ >= 7
--# define ElfW __ElfN
--# define USE_PT_GNU_EH_FRAME
--#endif
--
--#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
--    && defined(__OpenBSD__)
--# define ElfW(type) Elf_##type
--# define USE_PT_GNU_EH_FRAME
--#endif
--
--#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
--    && defined(TARGET_DL_ITERATE_PHDR) \
--    && defined(__sun__) && defined(__svr4__)
-+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR)
- # define USE_PT_GNU_EH_FRAME
-+# ifdef __OpenBSD__
-+#  define ElfW(type) Elf_##type
-+# elif defined(__FreeBSD__) && __FreeBSD__ >= 7
-+#  define ElfW __ElfN
-+# endif
- #endif
- 
- #if defined(USE_PT_GNU_EH_FRAME)
diff --git a/toolchain/gcc/patches/arc-2016.03/870-ppc_no_crtsavres.patch b/toolchain/gcc/patches/arc-2016.03/870-ppc_no_crtsavres.patch
deleted file mode 100644
index 4b7fcbd..0000000
--- a/toolchain/gcc/patches/arc-2016.03/870-ppc_no_crtsavres.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/gcc/config/rs6000/rs6000.c
-+++ b/gcc/config/rs6000/rs6000.c
-@@ -17662,7 +17662,7 @@ rs6000_savres_strategy (rs6000_stack_t *
-   /* Define cutoff for using out-of-line functions to save registers.  */
-   if (DEFAULT_ABI == ABI_V4 || TARGET_ELF)
-     {
--      if (!optimize_size)
-+      if (1)
- 	{
- 	  strategy |= SAVE_INLINE_FPRS | REST_INLINE_FPRS;
- 	  strategy |= SAVE_INLINE_GPRS | REST_INLINE_GPRS;
diff --git a/toolchain/gcc/patches/arc-2016.03/880-no_java_section.patch b/toolchain/gcc/patches/arc-2016.03/880-no_java_section.patch
deleted file mode 100644
index def6c9f..0000000
--- a/toolchain/gcc/patches/arc-2016.03/880-no_java_section.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/gcc/defaults.h
-+++ b/gcc/defaults.h
-@@ -380,7 +380,7 @@ see the files COPYING3 and COPYING.RUNTI
- /* If we have named section and we support weak symbols, then use the
-    .jcr section for recording java classes which need to be registered
-    at program start-up time.  */
--#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
-+#if 0 && defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
- #ifndef JCR_SECTION_NAME
- #define JCR_SECTION_NAME ".jcr"
- #endif
diff --git a/toolchain/gcc/patches/arc-2016.03/910-mbsd_multi.patch b/toolchain/gcc/patches/arc-2016.03/910-mbsd_multi.patch
deleted file mode 100644
index 5387f8e..0000000
--- a/toolchain/gcc/patches/arc-2016.03/910-mbsd_multi.patch
+++ /dev/null
@@ -1,253 +0,0 @@
-
-	This patch brings over a few features from MirBSD:
-	* -fhonour-copts
-	  If this option is not given, it's warned (depending
-	  on environment variables). This is to catch errors
-	  of misbuilt packages which override CFLAGS themselves.
-	* -Werror-maybe-reset
-	  Has the effect of -Wno-error if GCC_NO_WERROR is
-	  set and not '0', a no-operation otherwise. This is
-	  to be able to use -Werror in "make" but prevent
-	  GNU autoconf generated configure scripts from
-	  freaking out.
-	* Make -fno-strict-aliasing and -fno-delete-null-pointer-checks
-	  the default for -O2/-Os, because they trigger gcc bugs
-	  and can delete code with security implications.
-
-	This patch was authored by Thorsten Glaser <tg at mirbsd.de>
-	with copyright assignment to the FSF in effect.
-
---- a/gcc/c-family/c-opts.c
-+++ b/gcc/c-family/c-opts.c
-@@ -104,6 +104,9 @@ static size_t include_cursor;
- /* Whether any standard preincluded header has been preincluded.  */
- static bool done_preinclude;
- 
-+/* Check if a port honours COPTS.  */
-+static int honour_copts = 0;
-+
- static void handle_OPT_d (const char *);
- static void set_std_cxx98 (int);
- static void set_std_cxx11 (int);
-@@ -383,6 +386,9 @@ c_common_handle_option (size_t scode, co
-       cpp_opts->warn_endif_labels = value;
-       break;
- 
-+    case OPT_Werror_maybe_reset:
-+      break;
-+
-     case OPT_Winvalid_pch:
-       cpp_opts->warn_invalid_pch = value;
-       break;
-@@ -491,6 +497,12 @@ c_common_handle_option (size_t scode, co
-       flag_no_builtin = !value;
-       break;
- 
-+    case OPT_fhonour_copts:
-+      if (c_language == clk_c) {
-+        honour_copts++;
-+      }
-+      break;
-+
-     case OPT_fconstant_string_class_:
-       constant_string_class_name = arg;
-       break;
-@@ -1027,6 +1039,47 @@ c_common_init (void)
-       return false;
-     }
- 
-+  if (c_language == clk_c) {
-+    char *ev = getenv ("GCC_HONOUR_COPTS");
-+    int evv;
-+    if (ev == NULL)
-+      evv = -1;
-+    else if ((*ev == '0') || (*ev == '\0'))
-+      evv = 0;
-+    else if (*ev == '1')
-+      evv = 1;
-+    else if (*ev == '2')
-+      evv = 2;
-+    else if (*ev == 's')
-+      evv = -1;
-+    else {
-+      warning (0, "unknown GCC_HONOUR_COPTS value, assuming 1");
-+      evv = 1; /* maybe depend this on something like MIRBSD_NATIVE?  */
-+    }
-+    if (evv == 1) {
-+      if (honour_copts == 0) {
-+        error ("someone does not honour COPTS at all in lenient mode");
-+        return false;
-+      } else if (honour_copts != 1) {
-+        warning (0, "someone does not honour COPTS correctly, passed %d times",
-+         honour_copts);
-+      }
-+    } else if (evv == 2) {
-+      if (honour_copts == 0) {
-+        error ("someone does not honour COPTS at all in strict mode");
-+        return false;
-+      } else if (honour_copts != 1) {
-+        error ("someone does not honour COPTS correctly, passed %d times",
-+         honour_copts);
-+        return false;
-+      }
-+    } else if (evv == 0) {
-+      if (honour_copts != 1)
-+        inform (0, "someone does not honour COPTS correctly, passed %d times",
-+         honour_copts);
-+    }
-+  }
-+
-   return true;
- }
- 
---- a/gcc/c-family/c.opt
-+++ b/gcc/c-family/c.opt
-@@ -379,6 +379,10 @@ Werror-implicit-function-declaration
- C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration)
- This switch is deprecated; use -Werror=implicit-function-declaration instead
- 
-+Werror-maybe-reset
-+C ObjC C++ ObjC++
-+; Documented in common.opt
-+
- Wfloat-equal
- C ObjC C++ ObjC++ Var(warn_float_equal) Warning
- Warn if testing floating point numbers for equality
-@@ -949,6 +953,9 @@ C++ ObjC++ Optimization Alias(fexception
- fhonor-std
- C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
- 
-+fhonour-copts
-+C ObjC C++ ObjC++ RejectNegative
-+
- fhosted
- C ObjC
- Assume normal C execution environment
---- a/gcc/common.opt
-+++ b/gcc/common.opt
-@@ -541,6 +541,10 @@ Werror=
- Common Joined
- Treat specified warning as error
- 
-+Werror-maybe-reset
-+Common
-+If environment variable GCC_NO_WERROR is set, act as -Wno-error
-+
- Wextra
- Common Var(extra_warnings) Warning
- Print extra (possibly unwanted) warnings
-@@ -1242,6 +1246,9 @@ fguess-branch-probability
- Common Report Var(flag_guess_branch_prob) Optimization
- Enable guessing of branch probabilities
- 
-+fhonour-copts
-+Common RejectNegative
-+
- ; Nonzero means ignore `#ident' directives.  0 means handle them.
- ; Generate position-independent code for executables if possible
- ; On SVR4 targets, it also controls whether or not to emit a
---- a/gcc/opts.c
-+++ b/gcc/opts.c
-@@ -468,8 +468,6 @@ static const struct default_options defa
-     { OPT_LEVELS_2_PLUS, OPT_fschedule_insns2, NULL, 1 },
- #endif
-     { OPT_LEVELS_2_PLUS, OPT_fregmove, NULL, 1 },
--    { OPT_LEVELS_2_PLUS, OPT_fstrict_aliasing, NULL, 1 },
--    { OPT_LEVELS_2_PLUS, OPT_fstrict_overflow, NULL, 1 },
-     { OPT_LEVELS_2_PLUS, OPT_freorder_blocks, NULL, 1 },
-     { OPT_LEVELS_2_PLUS, OPT_freorder_functions, NULL, 1 },
-     { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 },
-@@ -489,6 +487,8 @@ static const struct default_options defa
-     { OPT_LEVELS_2_PLUS, OPT_fhoist_adjacent_loads, NULL, 1 },
- 
-     /* -O3 optimizations.  */
-+    { OPT_LEVELS_3_PLUS, OPT_fstrict_aliasing, NULL, 1 },
-+    { OPT_LEVELS_3_PLUS, OPT_fstrict_overflow, NULL, 1 },
-     { OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },
-     { OPT_LEVELS_3_PLUS, OPT_fpredictive_commoning, NULL, 1 },
-     /* Inlining of functions reducing size is a good idea with -Os
-@@ -1435,6 +1435,17 @@ common_handle_option (struct gcc_options
- 			       opts, opts_set, loc, dc);
-       break;
- 
-+    case OPT_Werror_maybe_reset:
-+      {
-+        char *ev = getenv ("GCC_NO_WERROR");
-+        if ((ev != NULL) && (*ev != '0'))
-+          warnings_are_errors = 0;
-+      }
-+      break;
-+
-+    case OPT_fhonour_copts:
-+      break;
-+
-     case OPT_Wlarger_than_:
-       opts->x_larger_than_size = value;
-       opts->x_warn_larger_than = value != -1;
---- a/gcc/doc/cppopts.texi
-+++ b/gcc/doc/cppopts.texi
-@@ -163,6 +163,11 @@ in older programs.  This warning is on b
- Make all warnings into hard errors.  Source code which triggers warnings
- will be rejected.
- 
-+ at item -Werror-maybe-reset
-+ at opindex Werror-maybe-reset
-+Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment
-+variable is set to anything other than 0 or empty.
-+
- @item -Wsystem-headers
- @opindex Wsystem-headers
- Issue warnings for code in system headers.  These are normally unhelpful
---- a/gcc/doc/invoke.texi
-+++ b/gcc/doc/invoke.texi
-@@ -240,7 +240,7 @@ Objective-C and Objective-C++ Dialects}.
- -Wconversion  -Wcoverage-mismatch  -Wno-cpp  -Wno-deprecated  @gol
- -Wno-deprecated-declarations -Wdisabled-optimization  @gol
- -Wno-div-by-zero -Wdouble-promotion -Wempty-body  -Wenum-compare @gol
---Wno-endif-labels -Werror  -Werror=* @gol
-+-Wno-endif-labels -Werror  -Werror=* -Werror-maybe-reset @gol
- -Wfatal-errors  -Wfloat-equal  -Wformat  -Wformat=2 @gol
- -Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral @gol
- -Wformat-security  -Wformat-y2k @gol
-@@ -4817,6 +4817,22 @@ This option is only supported for C and 
- @option{-Wall} and by @option{-Wpedantic}, which can be disabled with
- @option{-Wno-pointer-sign}.
- 
-+ at item -Werror-maybe-reset
-+ at opindex Werror-maybe-reset
-+Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment
-+variable is set to anything other than 0 or empty.
-+
-+ at item -fhonour-copts
-+ at opindex fhonour-copts
-+If @env{GCC_HONOUR_COPTS} is set to 1, abort if this option is not
-+given at least once, and warn if it is given more than once.
-+If @env{GCC_HONOUR_COPTS} is set to 2, abort if this option is not
-+given exactly once.
-+If @env{GCC_HONOUR_COPTS} is set to 0 or unset, warn if this option
-+is not given exactly once.
-+The warning is quelled if @env{GCC_HONOUR_COPTS} is set to @samp{s}.
-+This flag and environment variable only affect the C language.
-+
- @item -Wstack-protector
- @opindex Wstack-protector
- @opindex Wno-stack-protector
-@@ -6928,7 +6944,7 @@ so, the first branch is redirected to ei
- second branch or a point immediately following it, depending on whether
- the condition is known to be true or false.
- 
--Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
-+Enabled at levels @option{-O3}.
- 
- @item -fsplit-wide-types
- @opindex fsplit-wide-types
---- a/gcc/java/jvspec.c
-+++ b/gcc/java/jvspec.c
-@@ -626,6 +626,7 @@ lang_specific_pre_link (void)
-      class name.  Append dummy `.c' that can be stripped by set_input so %b
-      is correct.  */ 
-   set_input (concat (main_class_name, "main.c", NULL));
-+  putenv ("GCC_HONOUR_COPTS=s"); /* XXX hack!  */
-   err = do_spec (jvgenmain_spec);
-   if (err == 0)
-     {
diff --git a/toolchain/gcc/patches/arc-2016.03/920-specs_nonfatal_getenv.patch b/toolchain/gcc/patches/arc-2016.03/920-specs_nonfatal_getenv.patch
deleted file mode 100644
index 09768f5..0000000
--- a/toolchain/gcc/patches/arc-2016.03/920-specs_nonfatal_getenv.patch
+++ /dev/null
@@ -1,14 +0,0 @@
---- a/gcc/gcc.c
-+++ b/gcc/gcc.c
-@@ -8029,7 +8029,10 @@ getenv_spec_function (int argc, const ch
- 
-   value = getenv (argv[0]);
-   if (!value)
--    fatal_error ("environment variable %qs not defined", argv[0]);
-+    {
-+      warning (0, "environment variable %qs not defined", argv[0]);
-+      value = "";
-+    }
- 
-   /* We have to escape every character of the environment variable so
-      they are not interpreted as active spec characters.  A
diff --git a/toolchain/gcc/patches/arc-2016.03/940-no-clobber-stamp-bits.patch b/toolchain/gcc/patches/arc-2016.03/940-no-clobber-stamp-bits.patch
deleted file mode 100644
index dbecef2..0000000
--- a/toolchain/gcc/patches/arc-2016.03/940-no-clobber-stamp-bits.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/libstdc++-v3/include/Makefile.in
-+++ b/libstdc++-v3/include/Makefile.in
-@@ -1342,7 +1342,7 @@
- 	@$(STAMP) stamp-bits
- 
- stamp-bits-sup: stamp-bits ${bits_sup_headers}
--	@-cd ${bits_builddir} && $(LN_S) $? . 2>/dev/null
-+	@-cd ${bits_builddir} && $(LN_S) $(filter-out stamp-bits,$?) . 2>/dev/null
- 	@$(STAMP) stamp-bits-sup
- 
- stamp-c_base: ${c_base_headers}
diff --git a/toolchain/gcc/patches/arc-2016.03/950-fix-building-with-gcc6.patch b/toolchain/gcc/patches/arc-2016.03/950-fix-building-with-gcc6.patch
deleted file mode 100644
index e958380..0000000
--- a/toolchain/gcc/patches/arc-2016.03/950-fix-building-with-gcc6.patch
+++ /dev/null
@@ -1,153 +0,0 @@
-From 5dce741e00f86a08a4c174fb3605d896f210ab52 Mon Sep 17 00:00:00 2001
-From: Bernd Edlinger <bernd.edlinger@hotmail.de>
-Date: Wed, 27 Jul 2016 13:30:03 +0300
-Subject: [PATCH] 2016-02-19  Jakub Jelinek  <jakub@redhat.com>  Bernd Edlinger
-  <bernd.edlinger@hotmail.de>
-
-        * Make-lang.in: Invoke gperf with -L C++.
-        * cfns.gperf: Remove prototypes for hash and libc_name_p
-        inlines.
-        * cfns.h: Regenerated.
-        * except.c (nothrow_libfn_p): Adjust.
-
-git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233572138bc75d-0d04-0410-961f-82ee72b054a4
-
-This patch fixes building of gcc-4.x by gcc-6.x, for more details see
-https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69959
-
-Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
----
- gcc/cp/Make-lang.in |  2 +-
- gcc/cp/cfns.gperf   | 10 ++--------
- gcc/cp/cfns.h       | 41 ++++++++++++++---------------------------
- gcc/cp/except.c     |  3 ++-
- 4 files changed, 19 insertions(+), 37 deletions(-)
-
-diff --git a/gcc/cp/Make-lang.in b/gcc/cp/Make-lang.in
-index dce523a..36a1a97 100644
---- a/gcc/cp/Make-lang.in
-+++ b/gcc/cp/Make-lang.in
-@@ -115,7 +115,7 @@ else
- # deleting the $(srcdir)/cp/cfns.h file.
- $(srcdir)/cp/cfns.h:
- endif
--	gperf -o -C -E -k '1-6,$$' -j1 -D -N 'libc_name_p' -L ANSI-C \
-+	gperf -o -C -E -k '1-6,$$' -j1 -D -N 'libc_name_p' -L C++ \
- 		$(srcdir)/cp/cfns.gperf --output-file $(srcdir)/cp/cfns.h
- 
- #
-diff --git a/gcc/cp/cfns.gperf b/gcc/cp/cfns.gperf
-index c4c4e2a..5c40933 100644
---- a/gcc/cp/cfns.gperf
-+++ b/gcc/cp/cfns.gperf
-@@ -1,3 +1,5 @@
-+%language=C++
-+%define class-name libc_name
- %{
- /* Copyright (C) 2000-2013 Free Software Foundation, Inc.
- 
-@@ -16,14 +18,6 @@ for more details.
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING3.  If not see
- <http://www.gnu.org/licenses/>.  */
--#ifdef __GNUC__
--__inline
--#endif
--static unsigned int hash (const char *, unsigned int);
--#ifdef __GNUC__
--__inline
--#endif
--const char * libc_name_p (const char *, unsigned int);
- %}
- %%
- # The standard C library functions, for feeding to gperf; the result is used
-diff --git a/gcc/cp/cfns.h b/gcc/cp/cfns.h
-index 42dd3cf..6c79864 100644
---- a/gcc/cp/cfns.h
-+++ b/gcc/cp/cfns.h
-@@ -1,5 +1,5 @@
--/* ANSI-C code produced by gperf version 3.0.3 */
--/* Command-line: gperf -o -C -E -k '1-6,$' -j1 -D -N libc_name_p -L ANSI-C cfns.gperf  */
-+/* C++ code produced by gperf version 3.0.4 */
-+/* Command-line: gperf -o -C -E -k '1-6,$' -j1 -D -N libc_name_p -L C++ --output-file cfns.h cfns.gperf  */
- 
- #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
-       && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
-@@ -28,7 +28,7 @@
- #error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
- #endif
- 
--#line 1 "cfns.gperf"
-+#line 3 "cfns.gperf"
- 
- /* Copyright (C) 2000-2013 Free Software Foundation, Inc.
- 
-@@ -47,25 +47,18 @@ for more details.
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING3.  If not see
- <http://www.gnu.org/licenses/>.  */
--#ifdef __GNUC__
--__inline
--#endif
--static unsigned int hash (const char *, unsigned int);
--#ifdef __GNUC__
--__inline
--#endif
--const char * libc_name_p (const char *, unsigned int);
- /* maximum key range = 391, duplicates = 0 */
- 
--#ifdef __GNUC__
--__inline
--#else
--#ifdef __cplusplus
--inline
--#endif
--#endif
--static unsigned int
--hash (register const char *str, register unsigned int len)
-+class libc_name
-+{
-+private:
-+  static inline unsigned int hash (const char *str, unsigned int len);
-+public:
-+  static const char *libc_name_p (const char *str, unsigned int len);
-+};
-+
-+inline unsigned int
-+libc_name::hash (register const char *str, register unsigned int len)
- {
-   static const unsigned short asso_values[] =
-     {
-@@ -122,14 +115,8 @@ hash (register const char *str, register unsigned int len)
-   return hval + asso_values[(unsigned char)str[len - 1]];
- }
- 
--#ifdef __GNUC__
--__inline
--#ifdef __GNUC_STDC_INLINE__
--__attribute__ ((__gnu_inline__))
--#endif
--#endif
- const char *
--libc_name_p (register const char *str, register unsigned int len)
-+libc_name::libc_name_p (register const char *str, register unsigned int len)
- {
-   enum
-     {
-diff --git a/gcc/cp/except.c b/gcc/cp/except.c
-index 604f274..c3298cb 100644
---- a/gcc/cp/except.c
-+++ b/gcc/cp/except.c
-@@ -1025,7 +1025,8 @@ nothrow_libfn_p (const_tree fn)
-      unless the system headers are playing rename tricks, and if
-      they are, we don't want to be confused by them.  */
-   id = DECL_NAME (fn);
--  return !!libc_name_p (IDENTIFIER_POINTER (id), IDENTIFIER_LENGTH (id));
-+  return !!libc_name::libc_name_p (IDENTIFIER_POINTER (id),
-+				   IDENTIFIER_LENGTH (id));
- }
- 
- /* Returns nonzero if an exception of type FROM will be caught by a
--- 
-2.7.4
-
