aarch64--glibc--bleeding-edge-2018.07-3 Toolchains are hosted here: http://toolchains.bootlin.com/ All the licenses can be found here: http://toolchains.bootlin.com/downloads/releases/licenses/ All the sources can be found here: http://toolchains.bootlin.com/downloads/releases/sources/ PACKAGE VERSION LICENSE buildroot 2018.08-git-00807-g0184fa3 GPL-2.0+ gcc-final 8.2.0 unknown bison 3.0.4 GPL-3.0+ lzip 1.20 GPL-2.0+ m4 1.4.18 GPL-3.0+ gawk 4.2.1 GPL-3.0+ gcc-initial 8.2.0 unknown binutils 2.31.1 GPL-3.0+, libiberty LGPL-2.1+ gmp 6.1.2 LGPL-3.0+ or GPL-2.0+ mpc 1.0.3 LGPL-3.0+ mpfr 3.1.6 LGPL-3.0+ gdb 8.1 GPL-2.0+, LGPL-2.0+, GPL-3.0+, LGPL-3.0+ expat 2.2.5 MIT pkgconf 0.9.12 pkgconf license ncurses 6.1 MIT with advertising clause patchelf 0.9 GPL-3.0+ glibc glibc-2.27-57-g6c99e37f6fb640a50a3113b2dbee5d5389843c1e GPL-2.0+ (programs), LGPL-2.1+, BSD-3-Clause, MIT (library) linux-headers 4.14.57 GPL-2.0 dash 0.5.10.2 BSD-3-Clause, GPL-2.0+ (mksignames.c) gdb 8.1 GPL-2.0+, LGPL-2.0+, GPL-3.0+, LGPL-3.0+ For those who would like to reproduce the toolchain, you can just follow these steps: git clone https://github.com/free-electrons/buildroot-toolchains.git buildroot cd buildroot git checkout toolchains.bootlin.com-2018.07-3 curl http://toolchains.bootlin.com/downloads/releases/toolchains/aarch64/build_fragments/aarch64--glibc--bleeding-edge-2018.07-3.defconfig > .config make olddefconfig make This toolchain has been built, and the test system built with it has successfully booted. This doesn't mean that this toolchain will work in every cases, but it is at least capable of building a Linux kernel with a basic rootfs that boots. FLAG: TEST-OK