Unsupported relocation type: R_X86_64_PLT32

[Shyam Saini]

Hi Aleix,

> (reminder just in case the email was missed!)

When you post queries/bug reports then you should always Cc
maintainers and subsystem specific
mailing lists.

You can can find maintainers and mailings lists by:
$ cd /path to your kernel source/
$ ./scripts/get_maintainer.pl /path to your wireless driver file


Thanks a lot,
Shyam

> On Sat, Nov 03, 2018 at 02:16:53PM +0100, Aleix Roca Nonell wrote:
> > On Sat, Nov 03, 2018 at 01:54:39PM +0100, Aleix Roca Nonell wrote:
> > > Hi all!
> > >
> > > In my attempt to write my first useful kernel patch, I'm tracking down
> > > a possibly kernel regression on my laptop's wireless driver. I'm
> > > trying to use git bisect to narrow down the problem and I'm having
> > > trouble compiling a Linux kernel 4.14 from Linus tree in my Arch
> > > Linux.
> > >
> > > The error I'm getting is "Unsupported relocation type: R_X86_64_PLT32"
> > >
> > > I have read about gcc enabling -fPIC by default from gcc-6 so I have
> > > tried compiling with gcc-{8,7,5,4.9} with and without
> > > "-fno-pic -no-pic" by running
> > >
> > >   make CC="gcc-5 -fno-pic -no-pic"
> > >
> > > with no luck. I was expecting those R_X86_64_PLT32 relocations not to
> > > be generated with this options but there is something I have still not
> > > understood.
> > >
> > > I have been able to compile the kernel after applying greg's stable
> > > tree patch [1] (and [2,3] for gcc-8) but the kernel refuses to boot.
> > >
> > > Any help/comments on either the problem or the followed methodology will be
> > > appreciated!
> > >
> > > Thank you! :D
> > >
> > > [1] - https://lore.kernel.org/patchwork/patch/892780/
> > > [2] - https://lore.kernel.org/patchwork/patch/868613/
> > > [3] - https://lore.kernel.org/patchwork/patch/934722/
> >
> > Sorry, I meant "-fno-pie -no-pie" instead of "-fno-pic -no-pic"
>
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