toolchain-external: add Linaro ARM big endian toolchain

Linaro has started to release ARM big endian toolchains, so we
integrate this toolchain in the external toolchain logic of
Buildroot. Since ARM big endian is probably going to be a lot more
uncommon than ARM little endian, we will only support one version at a
time of this toolchain.

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

diff --git a/toolchain/toolchain-external/Config.in b/toolchain/toolchain-external/Config.in
index d3cf66d83a940b1c2c5695fc8797109fb5c0ef4b..0d8d9b96056840259cc78d6c6beb2d77c2db4754 100644 (file)
--- a/toolchain/toolchain-external/Config.in
+++ b/toolchain/toolchain-external/Config.in
@@ -77,6 +77,32 @@ comment "Linaro toolchains available for Cortex-A + EABIhf"
        depends on BR2_GCC_TARGET_ARCH != "armv7-a" || !BR2_ARM_EABIHF
        depends on !BR2_PREFER_STATIC_LIB
 
+config BR2_TOOLCHAIN_EXTERNAL_LINARO_ARMEB
+       bool "Linaro armeb 2014.02"
+       depends on BR2_armeb
+       depends on BR2_GCC_TARGET_ARCH = "armv7-a"
+       depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
+       depends on BR2_ARM_EABIHF
+       depends on !BR2_PREFER_STATIC_LIB
+       select BR2_TOOLCHAIN_EXTERNAL_GLIBC
+       select BR2_TOOLCHAIN_HAS_NATIVE_RPC
+       select BR2_INSTALL_LIBSTDCPP
+       select BR2_HOSTARCH_NEEDS_IA32_LIBS
+       select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1
+       help
+         Linaro toolchain for the ARM big endian architecture. It
+         uses Linaro GCC 2014.01 (based on gcc 4.8), Linaro GDB
+         2013.10 (based on GDB 7.6), eglibc 2.18, Binutils 2013.11
+         (based on 2.24). It generates code that runs on all Cortex-A
+         profile devices, but tuned for the Cortex-A9. The code
+         generated is Thumb 2, with the hard floating point calling
+         convention, and uses the VFPv3-D16 FPU instructions.
+
+comment "Linaro toolchains available for Cortex-A + EABIhf"
+       depends on BR2_armeb
+       depends on BR2_GCC_TARGET_ARCH != "armv7-a" || !BR2_ARM_EABIHF
+       depends on !BR2_PREFER_STATIC_LIB
+
 config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201311
        bool "Sourcery CodeBench ARM 2013.11"
        depends on BR2_arm
@@ -894,6 +920,7 @@ config BR2_TOOLCHAIN_EXTERNAL_PREFIX
        default "arm-linux-gnueabihf"    if BR2_TOOLCHAIN_EXTERNAL_LINARO_2014_02
        default "arm-linux-gnueabihf"    if BR2_TOOLCHAIN_EXTERNAL_LINARO_2014_01
        default "arm-linux-gnueabihf"    if BR2_TOOLCHAIN_EXTERNAL_LINARO_2013_12
+       default "armeb-linux-gnueabihf"  if BR2_TOOLCHAIN_EXTERNAL_LINARO_ARMEB
        default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201203
        default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201305
        default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201311

diff --git a/toolchain/toolchain-external/toolchain-external.mk b/toolchain/toolchain-external/toolchain-external.mk
index 3973bbcf09b5c3968ca59eba3e0423579a2b9de2..b40f54dd7ebd24a3002102d751a623eac5a0c321 100644 (file)
--- a/toolchain/toolchain-external/toolchain-external.mk
+++ b/toolchain/toolchain-external/toolchain-external.mk
@@ -242,6 +242,11 @@ define TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK
        ln -sf . $(TARGET_DIR)/usr/lib/arm-linux-gnueabihf
 endef
 
+define TOOLCHAIN_EXTERNAL_LINARO_ARMEBHF_SYMLINK
+       ln -sf . $(TARGET_DIR)/lib/armeb-linux-gnueabihf
+       ln -sf . $(TARGET_DIR)/usr/lib/armeb-linux-gnueabihf
+endef
+
 define TOOLCHAIN_EXTERNAL_LINARO_AARCH64_SYMLINK
        ln -sf . $(TARGET_DIR)/lib/aarch64-linux-gnu
        ln -sf . $(TARGET_DIR)/usr/lib/aarch64-linux-gnu
@@ -281,7 +286,10 @@ TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMHF
 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_2014_02),y)
 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/14.02/components/toolchain/binaries/
 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-arm-linux-gnueabihf-4.8-2014.02_linux.tar.xz
-TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK
+else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_ARMEB),y)
+TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/14.02/components/toolchain/binaries/
+TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-armeb-linux-gnueabihf-4.8-2014.02_linux.tar.xz
+TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMEBHF_SYMLINK
 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS201209),y)
 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/mips-linux-gnu/
 TOOLCHAIN_EXTERNAL_SOURCE = mips-2012.09-99-mips-linux-gnu-i686-pc-linux-gnu.tar.bz2