arcle-750d--uclibc--bleeding-edge-2017.11-1 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 2017.11-rc2 GPL-2.0+ lzip 1.19 GPL-2.0+ gcc-final arc-2017.09-release unknown binutils arc-2017.09-release GPL-3.0+, libiberty LGPL-2.1+ bison 3.0.4 GPL-3.0+ m4 1.4.18 GPL-3.0+ flex 2.6.4 FLEX autoconf 2.69 GPL-3.0+ with exceptions libtool 2.4.6 GPL-2.0+ automake 1.15.1 GPL-2.0+ gettext 0.19.8.1 LGPL-2.1+ (libintl), GPL-3.0+ (the rest) libxml2 2.9.5 MIT pkgconf 0.9.12 pkgconf license 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+ gcc-initial arc-2017.09-release unknown gdb arc-2017.09-release-gdb GPL-2.0+, LGPL-2.0+, GPL-3.0+, LGPL-3.0+ expat 2.2.4 MIT ncurses 6.0 MIT with advertising clause patchelf 0.9 GPL-3.0+ uclibc 1.0.26 LGPL-2.1+ linux-headers 4.9.61 GPL-2.0 dash 0.5.9.1 BSD-3-Clause, GPL-2.0+ (mksignames.c) gdb arc-2017.09-release-gdb 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 2017.11-1 curl http://toolchains.bootlin.com/downloads/releases/toolchains/arcle-750d/build_fragments/arcle-750d--uclibc--bleeding-edge-2017.11-1.defconfig > .config make olddefconfig make This toolchain has been built, but the infrastructure does not contains enough informations about testing it. This doesn't mean that this toolchain doesn't work, just that it hasn't been fully tested. FLAG: CAN-NOT-TEST