toolchain-external: add CodeSourcery AArch64 toolchain

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

toolchain/toolchain-external/Config.in

@@ -828,6 +828,21 @@ config BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64
 	  Toolchain for the AArch64 architecture, from
 	  http://www.linaro.org/engineering/armv8/
 
+config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AARCH64
+	bool "CodeSourcery AArch64 2014.05"
+	depends on BR2_aarch64
+	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
+	depends on !BR2_PREFER_STATIC_LIB
+	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
+	select BR2_INSTALL_LIBSTDCPP
+	select BR2_HOSTARCH_NEEDS_IA32_LIBS
+	select BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13
+	help
+	  Sourcery CodeBench toolchain for the AArch64 architecture,
+	  from Mentor Graphics. It uses gcc 4.8.3, binutils 2.24,
+	  glibc 2.18, gdb 7.7.50 and kernel headers 3.13.
+
 config BR2_TOOLCHAIN_EXTERNAL_MUSL_CROSS
 	bool "Musl 1.1.1 toolchain"
 	depends on (BR2_arm && BR2_ARM_EABI) || (BR2_armeb && BR2_ARM_EABI) || \
@@ -906,6 +921,7 @@ config BR2_TOOLCHAIN_EXTERNAL_PREFIX
 	default "arm-arago-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_ARAGO_ARMV7A_201109
 	default "arm-arago-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_ARAGO_ARMV5TE_201109
 	default "aarch64-linux-gnu"      if BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64
+	default "aarch64-linux-gnu"      if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AARCH64
 	default "microblazeel-unknown-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_14_3
 	default "microblazeel-unknown-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_V2
 	default "microblaze-unknown-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_14_3

toolchain/toolchain-external/toolchain-external.mk

@@ -360,6 +360,9 @@ else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64),y)
 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/14.05/components/toolchain/binaries/
 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-aarch64-linux-gnu-4.9-2014.05_linux.tar.xz
 TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_AARCH64_SYMLINK
+else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AARCH64),y)
+TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/aarch64-linux-gnu/
+TOOLCHAIN_EXTERNAL_SOURCE = aarch64-2014.05-30-aarch64-linux-gnu-i686-pc-linux-gnu.tar.bz2
 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_MUSL_CROSS),y)
 TOOLCHAIN_EXTERNAL_VERSION = 1.1.1
 TOOLCHAIN_EXTERNAL_SITE = https://googledrive.com/host/0BwnS5DMB0YQ6bDhPZkpOYVFhbk0/musl-$(TOOLCHAIN_EXTERNAL_VERSION)/