devboards-toolchains

Collection of crosstool-ng toolchains for differents dev boards:

• aarch64-rpi3-linux-gnu_defconfig - raspberry pi 3b+
• arm-cortex_a8-linux-gnueabihf_defconfig - beaglebone black
• armv6-rpi-linux-gnueabihf_defconfig - raspberry pi zero w

Prerequisites

• ct-ng-env

Usage

Get the correct version of crosstool-ng:

$ ct-ng-env $(cat ./.ct-ng-version) ~/.ct-ng-current
$ source ~/.ct-ng-current/activate

Build a toolchain:

$ mkdir -p output/downloads
$ export CT_PREFIX=${PWD}/output
$ DEFCONFIG=aarch64-rpi3-linux-gnu_defconfig ct-ng defconfig
$ ct-ng build

$ tree -L 1 output/
output/
├── aarch64-rpi3-linux-gnu
└── downloads

Package:

tar -c \
    --sort=name \
    --mtime="1970-01-01" \
    --owner=0 \
    --group=0 \
    --numeric-owner \
    -C output/aarch64-rpi3-linux-gnu . \
    | gzip -n > output/aarch64-rpi3-linux-gnu.tar.gz