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Bug 729296 - please restore sys-devel/gcc-8.3.0
Summary: please restore sys-devel/gcc-8.3.0
Status: RESOLVED DUPLICATE of bug 674570
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Toolchain Maintainers
URL:
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Keywords:
Depends on:
Blocks:
 
Reported: 2020-06-23 12:11 UTC by Soren Harward
Modified: 2020-06-27 10:50 UTC (History)
1 user (show)

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Runtime testing required: ---

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Description Soren Harward 2020-06-23 12:11:58 UTC 
gcc-8.3.0 is the latest version that works with dev-util/nvidia-cuda-toolkit-10.2.89-r1.  8.4.0 and greater do not work. Please restore gcc-8.3.0 to the tree. Thanks.

Reproducible: Always
Comment 1 Soren Harward 2020-06-23 12:13:09 UTC 
Latest ebuild was gcc-8.3.0-r3
Comment 2 Sergei Trofimovich (RETIRED) gentoo-dev 2020-06-23 17:21:35 UTC 
(In reply to Soren Harward from comment #0)
> gcc-8.3.0 is the latest version that works with
> dev-util/nvidia-cuda-toolkit-10.2.89-r1.  8.4.0 and greater do not work.
> Please restore gcc-8.3.0 to the tree. Thanks.
> 
> Reproducible: Always

We can restore it, but can you clarify why it does not work.

I don't think I got the answer last time I asked. 8.3.0 and 8.4.0 are from the same gcc branch. They are supposed to have the same API and ABI. From gcc-10 we will not even allow multiple gcc versions from one major branch.

It's still very easy to add them back locally if needed. But I'd really like to understand why 8.3.0 works while 8.4.0 does not.
Comment 3 Soren Harward 2020-06-23 21:21:37 UTC 
Okay, I see that the nvidia-cuda-toolkit ebuild was updated a couple weeks ago to work with 8.4.0.  I re-emerged nvidia-cuda-toolkit and my CUDA programs, and it works fine.  Closing as INVALID.

Version 11.0 of CUDA is near release, and it supports gcc-9.
Comment 4 Andreas Sturmlechner gentoo-dev 2020-06-27 10:50:32 UTC 

*** This bug has been marked as a duplicate of bug 674570 ***