Re: nds32 build failures

[Guenter Roeck]

On 04/16/2018 06:22 AM, Guenter Roeck wrote:
> On 04/16/2018 02:06 AM, Greentime Hu wrote:
> > 2018-04-16 11:58 GMT+08:00 Guenter Roeck <private@xxxxxxxxxxxx>:
> > > I thought I should give the brand new architecture a try. Unfortunately,
> > > that was not very successful.
> > >
> > > Build reference: v4.17-rc1
> > > gcc version: nds32le-elf-gcc (GCC) 7.3.0
> > >
> > > Building nds32:defconfig ... failed
> > >
> > > arch/nds32/include/asm/nds32.h: In function 'GIE_ENABLE':
> > > arch/nds32/include/asm/nds32.h:25:2: error: implicit declaration of function
> > > '__nds32__gie_en'; did you mean '__nds32__'?
> > >
> > > arch/nds32/include/asm/nds32.h: In function 'CACHE_SET':
> > > arch/nds32/include/asm/nds32.h:38:18: error: implicit declaration of
> > > function '__nds32__mfsr'; did you mean '__nds32__'?
> > >
> > > arch/nds32/include/asm/nds32.h:38:32: error: 'NDS32_SR_ICM_CFG' undeclared
> > >
> > > arch/nds32/include/asm/nds32.h:41:32: error: 'NDS32_SR_DCM_CFG'
> > >
> > > Am I missing something ?
> > Hi, Guenter:
> >
> > This built failure is because the toolchain version you used is not
> > supported the latest intrinsic function/macro.
> > We are sending the latest patchset now and we expect the whole new
> > features will be supported in gcc8.0.0 and binutil2.31+.
> >
> > If you'd like to get these new features of toolchain, you may use the
> > github version.
> > This is the built-script repo. https://github.com/andestech/build_script.git
> Hmm. How comes that the defines are not there ? Also, is nds32_intrinsic.h supposed to be auto-generated ?
Answering my own question. This file is part of gcc. Presumably, the missing defines
are declared in that file ?
Interesting, I always thought that the Linux kernel is supposed not to include compiler
include files, to avoid issues such as license poisoning. One lives and learns.

Guenter

> The toolchain as provided isn't usable for me since it is not position independent.
>
> Arnd, it might make sense to drop the nds32 toolchain from kernel.org; its presence is at best misleading.
>
> Guenter