Re: Cannot use CONFIG_GCC_PLUGINS: your gcc version does not support plugins, you should upgrade it to at least gcc 4.5

[Fengguang Wu]

Hi Kees,

On Sat, Aug 27, 2016 at 09:28:38AM -0400, Kees Cook wrote:
> Hi,
>
> This appears to be "as expected": 4.4 gcc doesn't have either of those
> features, so it correctly failed.

OK, I'll teach the robot to use newer compiler for CONFIG_GCC_PLUGINS.

Thanks,
Fengguang

> On Sat, Aug 27, 2016 at 1:52 AM, kbuild test robot
> <fengguang.wu@xxxxxxxxx> wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   28687b935e93a9041a485b9ecdcab0e335f8eda5
> > commit: ed58c0e9eefef517aa5a547b78658e2ab4422232 gcc-plugins: abort builds cleanly when not supported
> > date:   3 weeks ago
> > config: x86_64-randconfig-s1-08271305 (attached as .config)
> > compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
> > reproduce:
> >         git checkout ed58c0e9eefef517aa5a547b78658e2ab4422232
> >         # save the attached .config to linux build tree
> >         make ARCH=x86_64
> >
> > All errors (new ones prefixed by >>):
> >
> >    scripts/Makefile.gcc-plugins:17: warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler
> > > > Cannot use CONFIG_GCC_PLUGINS: your gcc version does not support plugins, you should upgrade it to at least gcc 4.5
> >    make[1]: *** [gcc-plugins-check] Error 1
> >    make[1]: Target 'prepare' not remade because of errors.
> >    make: *** [sub-make] Error 2
> >
> > ---
> > 0-DAY kernel test infrastructure                Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>
>
>
> --
> Kees Cook
> Nexus Security