Thanks. That makes sense; all the cross compile tools are built using the Host machines native toolchain on the host then the cross-toolchain used to cross compile yocto for the target. On 3 February 2016 at 17:13, Burton, Ross wrote: > > On 3 February 2016 at 15:07, Mark T wrote: > >> I notice there is a meta/recipes-devtools - I assume this pulls in from >> build/downloads - so gcc-5.2.0.tar.bz2 for example. Does the tool-chain >> comprised of these recipes get built by /usr/bin/gcc before being used to >> compile Yocto ? >> > > The host's gcc (typically /usr/bin/gcc) is used to build gcc-cross, which > is then used to compile everything that needs to be cross-compiled. We > don't build our own native compiler to replace the host compiler. > > Ross >