Rollup merge of #61705 - petrhosek:llvm-cflags, r=alexcrichton

[rust.git] / src / bootstrap / config.rs

diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index d618654b129af844b3a3a1ca6097da7ae6e39d3d..66f504ea924e9b880b525ea47409d29db868286e 100644 (file)
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -11,7 +11,6 @@
 use std::cmp;
 
 use build_helper::t;
-use num_cpus;
 use toml;
 use serde::Deserialize;
 use crate::cache::{INTERNER, Interned};
@@ -52,7 +51,7 @@ pub struct Config {
     pub test_compare_mode: bool,
     pub llvm_libunwind: bool,
 
-    pub run_host_only: bool,
+    pub skip_only_host_steps: bool,
 
     pub on_fail: Option<String>,
     pub stage: Option<u32>,
@@ -401,7 +400,7 @@ pub fn parse(args: &[String]) -> Config {
         config.rustc_error_format = flags.rustc_error_format;
         config.on_fail = flags.on_fail;
         config.stage = flags.stage;
-        config.jobs = flags.jobs;
+        config.jobs = flags.jobs.map(threads_from_config);
         config.cmd = flags.cmd;
         config.incremental = flags.incremental;
         config.dry_run = flags.dry_run;
@@ -417,7 +416,9 @@ pub fn parse(args: &[String]) -> Config {
         }
 
         // If --target was specified but --host wasn't specified, don't run any host-only tests.
-        config.run_host_only = !(flags.host.is_empty() && !flags.target.is_empty());
+        let has_hosts = !flags.host.is_empty();
+        let has_targets = !flags.target.is_empty();
+        config.skip_only_host_steps = !has_hosts && has_targets;
 
         let toml = file.map(|file| {
             let contents = t!(fs::read_to_string(&file));
@@ -583,13 +584,8 @@ pub fn parse(args: &[String]) -> Config {
 
             set(&mut config.rust_codegen_backends_dir, rust.codegen_backends_dir.clone());
 
-            match rust.codegen_units {
-                Some(0) => config.rust_codegen_units = Some(num_cpus::get() as u32),
-                Some(n) => config.rust_codegen_units = Some(n),
-                None => {}
-            }
-
-            config.rust_codegen_units_std = rust.codegen_units_std;
+            config.rust_codegen_units = rust.codegen_units.map(threads_from_config);
+            config.rust_codegen_units_std = rust.codegen_units_std.map(threads_from_config);
         }
 
         if let Some(ref t) = toml.target {
@@ -688,3 +684,10 @@ fn set<T>(field: &mut T, val: Option<T>) {
         *field = v;
     }
 }
+
+fn threads_from_config(v: u32) -> u32 {
+    match v {
+        0 => num_cpus::get() as u32,
+        n => n,
+    }
+}