lkml.org 
[lkml]   [2020]   [May]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] compiler/gcc: Raise minimum GCC version for kernel builds to 4.8
From
Date
Hi Nick,

On 5/26/20 8:40 AM, Nick Desaulniers wrote:
> On Tue, May 26, 2020 at 8:30 AM Guenter Roeck <linux@roeck-us.net> wrote:
>>
>> On Mon, May 11, 2020 at 09:41:37PM +0100, Will Deacon wrote:
>>> It is very rare to see versions of GCC prior to 4.8 being used to build
>>> the mainline kernel. These old compilers are also known to have codegen
>>> issues which can lead to silent miscompilation:
>>>
>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145
>>>
>>> Raise the minimum GCC version to 4.8 for building the kernel and remove
>>> some tautological Kconfig dependencies as a consequence.
>>
>> My hexagon compiler is v4.6.1, and I have been unable to find a more
>> recent version. Does anyone happen to have a pointer to a hexagon toolchain
>> with gcc 4.8 or later ?
>
> IIUC, hexagon moved to LLVM, though that target still has issues
> building the kernel.
> https://github.com/ClangBuiltLinux/linux/issues?q=is%3Aopen+is%3Aissue+label%3A%22%5BARCH%5D+hexagon%22
>

That won't help me for my build tests. It is bad enough having to maintain
one compiler. I don't want to add another one to the mix, and I'll happily
leave llvm build tests for ClangBuiltLinux. Guess I'll have to stop hexagon
test builds starting with 5.8.

Guenter

\
 
 \ /
  Last update: 2020-05-26 18:05    [W:0.068 / U:6.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site