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bors 5aa23be6b6 Auto merge of #116014 - lqd:mcp510-2-electric-boogaloo, r=petrochenkov 
Implement `-Clink-self-contained=-linker` opt out

This implements the `-Clink-self-contained` opt out necessary to switch to lld by changing rustc's defaults instead of cargo's.

Components that are enabled and disabled on the CLI are recorded, for the purpose of being merged with the ones which the target spec will declare (I'll open another PR for that tomorrow, for easier review).

For MCP510, we now check whether using the self-contained linker is disabled on the CLI. Right now it would only be sensible to with `-Zgcc-ld=lld` (and I'll add some checks that we don't both enable and disable a component on the CLI in a future PR), but the goal is to simplify adding the check of the target's enabled components here in the follow-up PRs.

r? `@petrochenkov`
2023-10-11 12:11:39 +00:00
..
src Auto merge of #116014 - lqd:mcp510-2-electric-boogaloo, r=petrochenkov 2023-10-11 12:11:39 +00:00
Cargo.toml Move FieldIdx and Layout to rustc_target 2023-10-02 21:31:16 +02:00
README.md Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00

README.md

rustc_target contains some very low-level details that are specific to different compilation targets and so forth.

For more information about how rustc works, see the rustc dev guide.