948842 – go-module.eclass: add support of GOAMD64 - for performance

Bug 948842 - go-module.eclass: add support of GOAMD64 - for performance

Summary: go-module.eclass: add support of GOAMD64 - for performance

Status:	UNCONFIRMED

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Eclasses (show other bugs)
Hardware:	All Linux

Importance:	Normal normal
Assignee:	William Hubbs

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Depends on:
Blocks:

Reported:	2025-01-26 05:50 UTC by Vitaly Zdanevich
Modified:	2025-01-28 20:42 UTC (History)
CC List:	2 users (show)

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Runtime testing required:	---

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Description Vitaly Zdanevich 2025-01-26 05:50:16 UTC

See https://github.com/golang/wiki/blob/master/MinimumRequirements.md#amd64

Or it should be a USE flag, I do not know.

Related page: https://devmanual.gentoo.org/eclass-reference/go-module.eclass/index.html

Comment 1 Ionen Wolkens gentoo-dev

2025-01-26 05:54:00 UTC

You can just set GOAMD64="v3" or so as fitting in make.conf, not much different than adding -march= in *FLAGS through that.

Comment 2 Vitaly Zdanevich 2025-01-26 06:02:00 UTC

Oh, yes, thanks, I checked - app-shells/fzf built with this...

Comment 3 Ionen Wolkens gentoo-dev

2025-01-26 06:06:04 UTC

(if we really wanted this in the eclass, guess could deduce the feature level from *FLAGS like what qt6-build.eclass does for a workaround, but generally think it's best not assume what the user wants for cpu optimizations)