[cPerf] LNT error on LLD bot

[Renato Golin via llvm-commits]

On 20 April 2017 at 17:35, Kristof Beyls <Kristof.Beyls at arm.com> wrote:
> I think what made it break in this way is installing gcc/g++.

No, the original breakage was complaining gcc didn't exist. Something
in LNT is requiring GCC.


> Reverting the commit that broke the bot in a different way initially won't make the bot pass again, as gcc/g++ will still be installed.

I have removed it.


> I'm assuming that the bot will be fine without gcc/g++ installed, as it was fine before without having it installed.

Most of our buildbots run solely on Clang.


> Probably it's only needed when something changes in lnt/lnt/testing/profile/cPerf.cpp.
> Of course after uninstalling gcc/g++, this will break again once anyone makes another change to cPerf.ccp.
> I don't expect any in the near future, but you never know.

It'd be good to understand why the build system is requiring GCC...

--renato