Use GCC 8

Use Arm's GCC 8.2 toolchains.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

br-ext/configs/toolchain-aarch32

@@ -2,8 +2,8 @@ BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
 BR2_TOOLCHAIN_EXTERNAL_PATH="%TOP_DIR%/toolchains/aarch32"
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="arm-linux-gnueabihf"
-BR2_TOOLCHAIN_EXTERNAL_GCC_6=y
-BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_6=y
+BR2_TOOLCHAIN_EXTERNAL_GCC_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_18=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
 

br-ext/configs/toolchain-aarch64

@@ -2,8 +2,8 @@ BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
 BR2_TOOLCHAIN_EXTERNAL_PATH="%TOP_DIR%/toolchains/aarch64"
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="aarch64-linux-gnu"
-BR2_TOOLCHAIN_EXTERNAL_GCC_6=y
-BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_6=y
+BR2_TOOLCHAIN_EXTERNAL_GCC_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_18=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
 

toolchain.mk

@@ -6,13 +6,13 @@ TOOLCHAIN_ROOT 			?= $(ROOT)/toolchains
 
 AARCH32_PATH 			?= $(TOOLCHAIN_ROOT)/aarch32
 AARCH32_CROSS_COMPILE 		?= $(AARCH32_PATH)/bin/arm-linux-gnueabihf-
-AARCH32_GCC_VERSION 		?= gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf
-SRC_AARCH32_GCC 		?= https://releases.linaro.org/components/toolchain/binaries/6.2-2016.11/arm-linux-gnueabihf/${AARCH32_GCC_VERSION}.tar.xz
+AARCH32_GCC_VERSION 		?= gcc-arm-8.2-2018.08-x86_64-arm-linux-gnueabihf
+SRC_AARCH32_GCC 		?= https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2018.08/${AARCH32_GCC_VERSION}.tar.xz
 
 AARCH64_PATH 			?= $(TOOLCHAIN_ROOT)/aarch64
 AARCH64_CROSS_COMPILE 		?= $(AARCH64_PATH)/bin/aarch64-linux-gnu-
-AARCH64_GCC_VERSION 		?= gcc-linaro-6.2.1-2016.11-x86_64_aarch64-linux-gnu
-SRC_AARCH64_GCC 		?= https://releases.linaro.org/components/toolchain/binaries/6.2-2016.11/aarch64-linux-gnu/${AARCH64_GCC_VERSION}.tar.xz
+AARCH64_GCC_VERSION 		?= gcc-arm-8.2-2018.08-x86_64-aarch64-linux-gnu
+SRC_AARCH64_GCC 		?= https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2018.08/${AARCH64_GCC_VERSION}.tar.xz
 
 # Download toolchain macro for saving some repetition
 # $(1) is $AARCH.._PATH		: i.e., path to the destination