nios2--glibc--stable-2018.02-1 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 2018.02-rc2-00002-gcab6743 GPL-2.0+ lzip 1.19 GPL-2.0+ gcc-final 6.4.0 unknown gawk 4.1.4 GPL-3.0+ gcc-initial 6.4.0 unknown binutils 2.29.1 GPL-3.0+, libiberty LGPL-2.1+ gmp 6.1.2 LGPL-3.0+ or GPL-2.0+ m4 1.4.18 GPL-3.0+ mpc 1.0.3 LGPL-3.0+ mpfr 3.1.6 LGPL-3.0+ patchelf 0.9 GPL-3.0+ glibc glibc-2.26-144-gbbabb868cd248763373d0db763bacd84ce27ede8 GPL-2.0+ (programs), LGPL-2.1+, BSD-3-Clause, MIT (library) linux-headers 4.1.49 GPL-2.0 dash 0.5.9.1 BSD-3-Clause, GPL-2.0+ (mksignames.c) 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 cab67437aa2f898eaab98171a48608a2aa28340f curl http://toolchains.bootlin.com/downloads/releases/toolchains/nios2/build_fragments/nios2--glibc--stable-2018.02-1.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