buildroot

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AARCH64

    bool "CodeSourcery AArch64 2014.11"

    depends on BR2_aarch64

    # a57/a53 and a72/a53 appeared in gcc-6 or were broken before

    depends on !BR2_cortex_a57_a53 && !BR2_cortex_a72_a53

    depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"

    depends on !BR2_STATIC_LIBS

    select BR2_TOOLCHAIN_EXTERNAL_GLIBC

    select BR2_TOOLCHAIN_HAS_SSP

    select BR2_INSTALL_LIBSTDCPP

    select BR2_HOSTARCH_NEEDS_IA32_LIBS

    select BR2_TOOLCHAIN_HAS_NATIVE_RPC

    select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16

    select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9

    help

      Sourcery CodeBench toolchain for the AArch64 architecture,

      from Mentor Graphics. It uses gcc 4.9.1, binutils

      2.24.51.20140217, glibc 2.20, gdb 7.7.50 and kernel headers

      3.16.2.