If I needed to modify glibc or gcc build options (hypothetically speaking, to turn on profiling or debug), I assume I can do that with bbappends and the like?
Thanks Paul On Mon, May 2, 2016 at 11:51 PM, Paul Eggleton < paul.eggle...@linux.intel.com> wrote: > Hi Michael, > > On Mon, 02 May 2016 16:38:16 Michael Habibi wrote: > > I have been a few months out of researching Yocto, so I'm having trouble > > caching it all back in (a lot to absorb!). Excuse me if this is answered > > clearly in the documentation (I glanced around and I know you can build > > relocatable toolchains, etc, but I suppose I'm asking more of a > > philosophical question). > > > > I have long-term plans to change our distribution at work over from a > > custom distribution to one built by Yocto - but this is a few months to a > > year out. > > > > In the mean time, we need a new toolchain simply to update our glibc and > > gcc packages. I understand that yocto 2.1 can build gcc 5.3 w/ glibc 2.23 > > support. I was wondering if this would be considered an appropriate > > exercise to use the yocto framework to build solely a toolchain to be > used > > with a custom distribution (understanding that the custom distribution > > would have to be modified to source and use the new toolchain). > > > > We typically use crosstools to generate the toolchain, but it is a bit > > outdated and only builds gcc 5.2 (which has some bugs that were fixed in > > 5.3). Essentially I want to use Yocto recipes as a substitute for > > crosstools-ng. > > If you build (or download) our SDK that should give you what you need: > > > http://www.yoctoproject.org/docs/2.1/sdk-manual/sdk-manual.html#sdk-building-an-sdk-installer > > If it's just the toolchain you need you can ignore the bits about > the extensible SDK - the standard SDK is what you want. There's > some more explanatory stuff towards the top of that manual as well. > > Cheers, > Paul > > -- > > Paul Eggleton > Intel Open Source Technology Centre >
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