toolchain-external: add Arm AArch64-BE toolchain 8.2-2018.08

This is the same toolchain that was previously distributed by Linaro. [1]

Switch default toolchain as this toolchain supersed the Linaro AArch64-BE toolchain.
Only x86_64 host are supported, so keep Linaro toolchain for x86 host.

[1] https://developer.arm.com/open-source/gnu-toolchain/gnu-a/downloads

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1823,6 +1823,7 @@ F:	package/upower/
 F:	package/waffle/
 F:	package/xenomai/
 F:	toolchain/toolchain-external/toolchain-external-arm-aarch64/
+F:	toolchain/toolchain-external/toolchain-external-arm-aarch64-be/
 F:	toolchain/toolchain-external/toolchain-external-arm-arm/
 
 N:	Roman Gorbenkov <roman.gorbenkov@ens2m.org>

toolchain/toolchain-external/Config.in

@@ -17,6 +17,7 @@ source "toolchain/toolchain-external/toolchain-external-linaro-aarch64/Config.in
 source "toolchain/toolchain-external/toolchain-external-codesourcery-aarch64/Config.in"
 
 # Aarch64 big-endian
+source "toolchain/toolchain-external/toolchain-external-arm-aarch64-be/Config.in"
 source "toolchain/toolchain-external/toolchain-external-linaro-aarch64-be/Config.in"
 
 # ARC
@@ -117,6 +118,7 @@ source "toolchain/toolchain-external/toolchain-external-linaro-aarch64/Config.in
 source "toolchain/toolchain-external/toolchain-external-codesourcery-aarch64/Config.in.options"
 
 # Aarch64 big-endian
+source "toolchain/toolchain-external/toolchain-external-arm-aarch64-be/Config.in.options"
 source "toolchain/toolchain-external/toolchain-external-linaro-aarch64-be/Config.in.options"
 
 # ARC

toolchain/toolchain-external/toolchain-external-arm-aarch64-be/Config.in

@@ -0,0 +1,19 @@
+config BR2_TOOLCHAIN_EXTERNAL_ARM_AARCH64_BE
+	bool "Arm AArch64 BE 2018.08"
+	depends on BR2_aarch64_be
+	depends on BR2_HOSTARCH = "x86_64"
+	depends on !BR2_STATIC_LIBS
+	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
+	select BR2_TOOLCHAIN_HAS_SSP
+	select BR2_INSTALL_LIBSTDCPP
+	select BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_18
+	select BR2_TOOLCHAIN_GCC_AT_LEAST_8
+	select BR2_TOOLCHAIN_HAS_FORTRAN
+	help
+	  Arm toolchain for the AArch64 Big Endian architecture.
+
+	  This is the same toolchain that was previously distributed by
+	  Linaro.
+
+	  https://developer.arm.com/open-source/gnu-toolchain

toolchain/toolchain-external/toolchain-external-arm-aarch64-be/Config.in.options

@@ -0,0 +1,9 @@
+if BR2_TOOLCHAIN_EXTERNAL_ARM_AARCH64_BE
+
+config BR2_TOOLCHAIN_EXTERNAL_PREFIX
+	default "aarch64_be-linux-gnu"
+
+config BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL
+	default "toolchain-external-arm-aarch64-be"
+
+endif

toolchain/toolchain-external/toolchain-external-arm-aarch64-be/toolchain-external-arm-aarch64-be.hash

@@ -0,0 +1,4 @@
+# From https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2018.08/gcc-arm-8.2-2018.08-x86_64-aarch64_be-linux-gnu.tar.xz.asc
+md5 789171dc11bc2e37e90ea3c6de46c719 gcc-arm-8.2-2018.08-x86_64-aarch64_be-linux-gnu.tar.xz
+# locally calculated
+sha256 2cd8a1a35a892db5f0cd738a8b17bd1563f6d6e4be43a2b527b355bcfb295df8 gcc-arm-8.2-2018.08-x86_64-aarch64_be-linux-gnu.tar.xz

toolchain/toolchain-external/toolchain-external-arm-aarch64-be/toolchain-external-arm-aarch64-be.mk

@@ -0,0 +1,13 @@
+################################################################################
+#
+# toolchain-external-arm-aarch64-be
+#
+################################################################################
+
+TOOLCHAIN_EXTERNAL_ARM_AARCH64_BE_VERSION = 2018.08
+TOOLCHAIN_EXTERNAL_ARM_AARCH64_BE_SITE = https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-$(TOOLCHAIN_EXTERNAL_ARM_AARCH64_BE_VERSION)
+
+TOOLCHAIN_EXTERNAL_ARM_AARCH64_BE_SOURCE = gcc-arm-8.2-$(TOOLCHAIN_EXTERNAL_ARM_AARCH64_BE_VERSION)-x86_64-aarch64_be-linux-gnu.tar.xz
+
+
+$(eval $(toolchain-external-package))