[edk2-devel] [rfc] Remove support for unsupported tool_chain_tags

[Rebecca Cran]

Yes, I've been occasionally running builds on XCODE5. OvmfPkg currently 
fails with an unresolved symbol.

-- 
Rebecca Cran


On 5/4/22 19:58, Andrew Fish via groups.io wrote:
> I can sign up to maintain XCODE.
>
> I think Rebecca has been running test builds with XCODE.
>
> The XCODE5 names comes from the compiler flags needing to change for 
> Xcode 5. Yes 2013 called and wants it compiler back.
>
> Thanks,
>
> Andrew Fish
>
>> On May 2, 2022, at 4:24 PM, Sean <spbrogan at outlook.com> wrote:
>>
>> As discussed at the weekly tools meeting, I am proposing that all 
>> unsupported tool chains get removed from tools_def.template in the 
>> Basetools/Conf folder (edk2/tools_def.template at master · 
>> tianocore/edk2 (github.com) 
>> <https://secure-web.cisco.com/1jovXGUXzkmyOcPWsFfwVF8c1-cMBgjj4OtR63zneIutKSl9Z7QYpGf5iyGTRllboj490YDr72pe8YepZe0UbgLT5Uthzwh8hlBUHWgwmRZ-AKFK6C2RowZKRWXiT2NleScoTvUexYmn638gpSGGevs6ZOA5b34vH9bgkX2xs8OzXCCxA9AT2F0MgfICdKxKRtooc4I8oiKJMHNYBiE6aYxAtR_jNXiHyl1YhnsdLfJ3oLFKbEkHKkwjSXkMy2-AFcGNghLhBmh7sOGNz0JzOd4roY8m_oR9axO9N4t0a0bI99yphTTGsbITkzkVcrP2a_6w3qm_q_J6Myb2DMs_SrXNEV-c8RbHJ7Su2XPPO5Tw/https%3A%2F%2Fgithub.com%2Ftianocore%2Fedk2%2Fblob%2Fmaster%2FBaseTools%2FConf%2Ftools_def.template>). 
>> The fact that VS2008 is still listed there is proof of a problem.  
>> Many of these old tool chains are not available and if found would 
>> not reliably work anyway (see dozens of emails on the list, most 
>> recent by rebecca).
>>
>> The suggestion from the tools meeting discussions is that we should 
>> setup maintainers for each tool chain tag and any tool chain tag 
>> without a maintainer would then be removed.
>>
>> Today the CI and PR system is testing the most recent versions of VS 
>> and GCC.  As of this email that tag is VS2019 and GCC5.  There has 
>> also been a desire to add clang (clangpdb tag) to the list of CI 
>> builds but it is currently only partially supported and needs some 
>> community effort.  The GCC5 tag might need more clarity as I know 
>> this supports many different versions so I am not sure how to 
>> correctly communicate what is the actual supported version.  Maybe 
>> the container discussion would help ([CI] Use containers on Linux · 
>> Discussion #2732 · tianocore/edk2 (github.com) 
>> <https://secure-web.cisco.com/1zLgAR6B5-SUcmFO4cOtRjPqVRTx06z6LJSmrt5WtqNfQNyJVzKXu8oaGUNji2cHZh765CmOH1ciaYS_gAuDI8K-bkHIj7xQYSmWwdc2n3M4IrTkGFk3IBGjkjxrC1M04ypBMrE4wCvkFd-CGWpLLxUWCI7kUpK7kWLrm7iF0pYRpUmBQ6BeSvVpzqRJSc37hsBa9gMoieWTO6S6TBoSvX0WaPtw83Qq7BXKbOQ5qrooW6ekj__jBvNsv0TrBo1MZyf-F29zOVDJIoP7NisT_huUbWE78SeE_oxpfNXraj597TGKVtT1-VkUSC4FCAT4wxsNry4bHNhA71-HB_1brQIn9HaUeuW-hoX59F73uWkM/https%3A%2F%2Fgithub.com%2Ftianocore%2Fedk2%2Fdiscussions%2F2732>) 
>> and it could be N and N-1 on the latest container images?
>>
>>
>> Finally, the question is how to define a supported tool chain and 
>> what are the expectations for the "maintainer".  I would propose two 
>> things.
>>
>> 1. A category/tag created for the tool chain in the issue tracking 
>> system and the maintainer will be the default assigned owner for 
>> incoming bugs and is responsible for triage and resolution.
>>
>>     a. If all maintainers resign the community would be notified and 
>> if no one came forward the toolchain would be dropped.
>>
>>     b. If the tag had a high bug count and low resolution/response 
>> rate the toolchain maintainer role would be re-evaluated.
>>
>> 2. At defined points in the edk2 development process, each package is 
>> compiled in debug, release, and noopt for the toolchain for all 
>> supported architectures.   The report is made available.
>>
>>     A. Suggested at minimum for each hard freeze stable tag point but 
>> could be CI, nightly, weekly, etc.
>>
>>     B. Suggestion is this should somehow be automated for the CI 
>> system and tool chains supported.
>>
>> 3. Update maintainers.txt to indicate tool chain maintainers
>>
>>
>> Please use this email and/or tools meeting to discuss the proposal or 
>> becoming a toolchain maintainer.
>>
>> RFC will be implemented after the may stable tag if no issues are 
>> raised.
>>
>>
>> Thanks
>>
>> Sean
>>
>>
>>
>>
>>
>>
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>
> 



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