mips64r6el-n32--musl--bleeding-edge-2017.08-rc2-5-g5c1b185-1 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 2017.08-rc2-00005-g5c1b185 GPL-2.0+ gcc-final 7.2.0 unknown binutils 2.29 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 3.1.5 LGPL-3.0+ gcc-initial 7.2.0 unknown autoconf 2.69 GPL-3.0+ with exceptions libtool 2.4.6 GPL-2.0+ automake 1.15 GPL-2.0+ gdb 8.0 GPL-2.0+, LGPL-2.0+, GPL-3.0+, LGPL-3.0+ expat 2.2.2 MIT pkgconf 0.9.12 pkgconf license ncurses 6.0 MIT with advertising clause patchelf 0.9 GPL-3.0+ musl 1.1.16 MIT linux-headers 4.9.41 GPL-2.0 dash 0.5.8 BSD-3-Clause, GPL-2.0+ (mksignames.c) gdb 8.0 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 2017.08-bleeding-edge-1 curl http://toolchains.bootlin.com/downloads/releases/toolchains/mips64r6el-n32/build_fragments/mips64r6el-n32--musl--bleeding-edge-2017.08-rc2-5-g5c1b185-1.defconfig > .config make olddefconfig make This toolchain has been built, but the test system failed to build with it. This doesn't mean that this toolchain doesn't work, just that it hasn't been successfully tested. FLAG: SYSTEM-BUILD-FAILED