l...@gnu.org (Ludovic Courtès) writes:
> Mark H Weaver <m...@netris.org> skribis:
>
>> Here are two patches that:
>>
>> * Add gcc-7.3.0-RC-20180117, which includes support for retpoline.
>> * Use gcc-7.3 to build linux-libre on x86 systems.
>
> With GCC 7.3.0 now out, I think you can go ahead.
>
>> From 387a02c3f9e157bdf40b2b5ad0e53e5b209f3aa5 Mon Sep 17 00:00:00 2001
>> From: Mark H Weaver <m...@netris.org>
>> Date: Sat, 20 Jan 2018 15:15:19 -0500
>> Subject: [PATCH 1/2] gnu: gcc: Add gcc 7.3.0-RC-20180117 [includes retpoline
>> support].
>>
>> * gnu/packages/gcc.scm (gcc-7.3): New variable.
>
> I think we can upgrade ‘gcc-7’ directly instead of introducing a new
> ‘gcc-7.3’ variable. Thoughts?
Agreed.
>> --- a/gnu/packages/linux.scm
>> +++ b/gnu/packages/linux.scm
>> @@ -283,6 +283,12 @@ for ARCH and optionally VARIANT, or #f if there is no
>> such configuration."
>> ("bc" ,bc)
>> ("openssl" ,openssl)
>> ("kmod" ,kmod)
>> + ,@(match (system->linux-architecture
>> + (or (%current-target-system) (%current-system)))
>> + ((or "x86_64" "i386")
>> + `(("gcc" ,gcc-7.3)))
>
> Perhaps add a comment that this is for the retpoline mitigation.
Agreed. I pushed these changes on Thursday. Fortunately, I had already
done the things you suggested here.
Thanks!
Mark
