IOTA toolchains

x86_64 cross comile

bazel build --config=x86_64 hello

ARMv8 cross compile

bazel build --config=aarch64 hello

Genrate a New toolchain

Add toolchain info to config.yaml

aarch64:
  cpu_type: "aarch64"
  tarball_url: "https://toolchains.bootlin.com/downloads/releases/toolchains/aarch64/tarballs/aarch64--glibc--stable-2018.02-2.tar.bz2"
  tool_perfix: "aarch64-linux"
  strip_perfix: "aarch64--glibc--stable-2018.02-2"
  buildroot_dir: "aarch64-buildroot-linux-gnu"
  toolchain_id: "bootlin_aarch64_toolchain"
  glibc_version: "glibc_2.26.144"

Run script

./bootlin2bazel.py aarch64