Bug#841420: --enable-default-pie breaks kernel builds
On Friday, 21 October 2016 14:45:25 CEST Ritesh Raj Sarraf wrote:
> The Debian kernel packages still have a dependency on gcc-5, which may mean
> that the kernels are currently only built/supported with gcc-5.
vanilla kernels (Linus' tree and the stable ones) could be compiled just fine
with gcc 6.2.0-6 and that now fails.
I still think this is a major regression and regard gcc 6.2.0-7 simply as
broken.
>
> On Thu, 2016-10-20 at 11:22 -0500, S R Wright wrote:
> > Concurring with Wolfgang; pulling the source straight from kernel.org
> > and using identical .config files will work with 6.2.0-6 but fail with
> > 6.2.0-7. I was able to build and install 4.8.3 with no issues after
> > back-revving gcc et. al. to 6.2.0-6
> >
> > -- sRw
> >
> > On 10/20/16 11:09, Wolfgang Walter wrote:
> > > Hello,
> > >
> > > with this version of gcc-6 I can't build vanilla kernels any more. It
> > > fails
> > > with even with CC_STACKPROTECTOR_STRONG disabled:
> > >
> > > scripts/kconfig/mconf Kconfig
> > > configuration written to .config
> > >
> > > *** End of the configuration.
> > > *** Execute 'make' to start the build or try 'make help'.
> > >
> > > ksrc@ei:~/build/kernels/linux-4.8.3$ make
> > > scripts/kconfig/conf --silentoldconfig Kconfig
> > > CHK include/config/kernel.release
> > > CHK include/generated/uapi/linux/version.h
> > > CHK include/generated/utsrelease.h
> > > UPD include/generated/utsrelease.h
> > > CC kernel/bounds.s
> > > kernel/bounds.c:1:0: error: code model kernel does not support PIC mode
> > > /*
> > >
> > > Kbuild:45: recipe for target 'kernel/bounds.s' failed
> > > make[1]: *** [kernel/bounds.s] Error 1
> > > Makefile:1015: recipe for target 'prepare0' failed
> > > make: *** [prepare0] Error 2
> > >
> > >
> > > I think this is a major regression if you can't build vanilla and stable
> > > kernels any more.
> > >
> > > Regards,
Regards,
--
Wolfgang Walter
Studentenwerk München
Anstalt des öffentlichen Rechts
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