Radix cross Linux Toolchains for ARC architecture

Index: config.mk
===================================================================
--- config.mk	(nonexistent)
+++ config.mk	(revision 5)
@@ -0,0 +1,74 @@
+# include once
+ifndef CONFIG_MK
+
+#######
+####### Constants:
+#######
+
+
+DOWNLOAD_SERVER      = ftp://ftp.radix.pro
+
+WGET_OPTIONS         = -q -N
+
+CACHED_CC_OUTPUT     = /opt/extra/ccache
+
+TOOLCHAINS_BASE_PATH = /opt/toolchains
+
+TOOLCHAINS_VERSION   = 1.0.0
+
+
+# Build machine architrcture:
+
+BUILD_ARCH = x86_64-pc-linux-gnu
+#
+# HOST and BUILD variables should be set up for each makefile.
+# NOTE: the HOST is equal to BUILD because our toolchains work on BUILD machine.
+#
+ HOST = $(BUILD_ARCH)
+BUILD = $(BUILD_ARCH)
+
+
+#######
+####### Standard Available Toolchains:
+#######
+
+#
+# NOTE:
+# ====
+#   Toolchain names defined by 'TOOLCHAIN_...' variables.
+#   Configuration variable names such as HOST_ARCH, HOST_DIR, HOST_PATH should have prefix
+#   which is equal to $(TOOLCHAIN_...) in upper case letters and symbol '-' should be replaced with '_'.
+#   In other words the PREFIX is equal to PREFIX = $(shell echo $(TOOLCHAIN_...) | tr '[a-z-]' '[A-Z_]').
+#
+
+# NOARCH
+TOOLCHAIN_NOARCH = noarch
+
+NOARCH_ARCH = noarch
+NOARCH_DIR  = noarch
+NOARCH_PATH = $(TOOLCHAINS_BASE_PATH)/noarch
+
+
+# HOST
+TOOLCHAIN_HOST = host
+
+HOST_ARCH = $(BUILD_ARCH)
+HOST_DIR  = $(word 1, $(subst -, ,$(BUILD_ARCH)))
+HOST_PATH = $(TOOLCHAINS_BASE_PATH)/$(HOST_DIR)
+
+
+#######
+####### Additional Available Toolchains:
+#######
+
+# Amlogic S8XX
+TOOLCHAIN_S8XX_NEWLIB = s8xx-newlib
+
+S8XX_NEWLIB_ARCH = arc-s8xx-elf32
+S8XX_NEWLIB_DIR  = arc-S8XX-elf32-newlib
+S8XX_NEWLIB_PATH = $(TOOLCHAINS_BASE_PATH)/$(S8XX_NEWLIB_DIR)
+
+
+
+CONFIG_MK=1
+endif