Bug 751649

Summary:	dev-lang/rust: Add use flag for `sanitizers` option
Product:	Gentoo Linux	Reporter:	Brandon Falk <bfalk>
Component:	Current packages	Assignee:	Gentoo Rust Project <rust>
Status:	CONFIRMED ---
Severity:	trivial	CC:	gyakovlev, jstein, navi, O01eg, randy, sam, telans
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---

Description Brandon Falk 2020-10-29 04:54:27 UTC

Hello,

I currently use sanitizers for some of the Rust code I use, and right now the `sanitizers = false` flag in the Rust `config.toml` is hardcoded. I think just adding an IUSE for `sanitizers` and setting this line to `sanitizers = $(toml_usex sanitizers)` would do the trick?

Sorry, I'm a Gentoo user of about one week. I'd PR this but I don't know the correct process yet.

-B

Comment 1 Georgy Yakovlev archtester

2020-10-31 18:46:51 UTC

it's a nightly only flag, as it's unstable feature available pretty much only on x86_64. So it will require USE=nightly and extra masking on arch profiles.
USE=nightly is required because without it you can't pass -Z flags at all.


I'm not opposed to adding this flag, but I need to look how it works with system-llvm.


I see that it builds compiler-rt and compiler-rt-sanitizers if this options if enabled, not sure what happens if we use system-llvm.