bootstrap: when we detect travis-ci or appveyor, use 16 codegen-units when building stage0.

matthiaskrgr · matthiaskrgr · commit e87abdbf447a · 2018-03-16T14:35:42.000+01:00
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
@@ -778,6 +778,12 @@ impl<'a> Builder<'a> {
             if cmd != "bench" {
                 cargo.arg("--release");
             }
+            if compiler.stage == 0 &&
+                (env::var_os("TRAVIS").is_some() || env::var_os("APPVEYOR").is_some()) {
+                // If we run on travis-ci or appveyor, build stage0 with
+                // several codegenunits for lower build times.
+                cargo.env("RUSTC_CODEGEN_UNITS", "16");
+            }
         }
 
         if self.config.locked_deps {

Original file line number	Diff line number	Diff line change
`@@ -778,6 +778,12 @@ impl<'a> Builder<'a> {`
`778`	`778`	`if cmd != "bench" {`
`779`	`779`	`cargo.arg("--release");`
`780`	`780`	`}`
	`781`	`+ if compiler.stage == 0 &&`
	`782`	`+ (env::var_os("TRAVIS").is_some() \|\| env::var_os("APPVEYOR").is_some()) {`
	`783`	`+ // If we run on travis-ci or appveyor, build stage0 with`
	`784`	`+ // several codegenunits for lower build times.`
	`785`	`+ cargo.env("RUSTC_CODEGEN_UNITS", "16");`
	`786`	`+ }`
`781`	`787`	`}`
`782`	`788`
`783`	`789`	`if self.config.locked_deps {`