[yocto] Which Toolchain is being used to build Yocto ?

[Khem Raj]

> On Feb 3, 2016, at 10:15 AM, Mark T <mtl1nuxd3v at gmail.com> wrote:
> 
> 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 <ross.burton at intel.com <mailto:ross.burton at intel.com>> wrote:
> 
> On 3 February 2016 at 15:07, Mark T <mtl1nuxd3v at gmail.com <mailto:mtl1nuxd3v at gmail.com>> 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.
> 

you can always use build-appliance if you want to insulate from host dependencies.

> Ross
> 
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