Christian Robles 35fb54fa49 Use lld for rustdoc on Linux in config_fast_builds.toml (#14839) ... # Objective Running `cargo ci` on Fedora 40 causes a system crash due to many `ld` processes consuming all available memory when performing doc tests. ## Solution This PR extends #13553. - Add reference to #12207 in the CI sections of `CONTRIBUTING.md` and `config_fast_builds.toml`. - Add sample `rustdocflags` configurations for `lld` and `mold` to `config_fast_builds.toml` for Linux. ## Testing Crashing configuration - config.toml ``` [target.x86_64-unknown-linux-gnu] linker = "clang" rustflags = ["-Clink-arg=-fuse-ld=lld"] [alias] ci = "run --package ci --" ``` - Test command `cargo ci` Working configuration - config.toml ``` [target.x86_64-unknown-linux-gnu] linker = "clang" rustflags = ["-Clink-arg=-fuse-ld=lld"] rustdocflags = ["-Clink-arg=-fuse-ld=lld"] [alias] ci = "run --package ci --" ``` - Test command `cargo ci`		2024-08-22 23:08:04 +00:00
..
config_fast_builds.toml	Use lld for rustdoc on Linux in config_fast_builds.toml (#14839)	2024-08-22 23:08:04 +00:00