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enable parallel rustc front end in nightly builds #117435

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merged 4 commits into from
Nov 6, 2023
Merged

enable parallel rustc front end in nightly builds #117435

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ab8101d
enable parallel rustc in nightly builds
SparrowLii Oct 31, 2023
bf5fb76
update bootstrap change history
SparrowLii Oct 31, 2023
248dd14
update config.example.toml
SparrowLii Oct 31, 2023
f2a40e9
use portable AtomicU64 for powerPC and MIPS
SparrowLii Nov 6, 2023
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update config.example.toml
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@SparrowLii
SparrowLii committed Oct 31, 2023
commit 248dd14fa590b55b237098ff377e702e4d336bd1
9 changes: 5 additions & 4 deletions config.example.toml
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Expand Up @@ -553,10 553,11 @@ change-id = 117435
# Whether to always use incremental compilation when building rustc
#incremental = false

# Build a multi-threaded rustc
# FIXME(#75760): Some UI tests fail when this option is enabled.
# NOTE: This option is NOT SUPPORTED. See #48685.
#parallel-compiler = false
# Build a multi-threaded rustc. This allows users to use parallel rustc
# via the unstable option `-Z threads=n`.
# Since stable/beta channels only allow using stable features,
# `parallel-compiler = false` should be set for these channels.
#parallel-compiler = true

# The default linker that will be hard-coded into the generated
# compiler for targets that don't specify a default linker explicitly
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2 changes: 1 addition & 1 deletion src/bootstrap/src/core/config/config.rs
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Expand Up @@ -1112,7 1112,7 @@ impl Config {

fn parse_inner(args: &[String], get_toml: impl Fn(&Path) -> TomlConfig) -> Config {
let mut flags = Flags::parse(&args);
let mut config: Config = Config::default_opts();
let mut config = Config::default_opts();

// Set flags.
config.paths = std::mem::take(&mut flags.paths);
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