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authorbors <bors@rust-lang.org>2021-04-12 08:03:59 +0000
committerbors <bors@rust-lang.org>2021-04-12 08:03:59 +0000
commit67e402f94693f0bcf44381db4d92d2da164eb99a (patch)
tree7f942725e71a21422ba62e2c69f03a87d2df96b9 /src
parentd68f7a2f50958d632ef8dc79212481e4f183ed36 (diff)
parentbe5d72129e33d2cadb7fa003395eccd986447833 (diff)
downloadrust-67e402f94693f0bcf44381db4d92d2da164eb99a.tar.gz
rust-67e402f94693f0bcf44381db4d92d2da164eb99a.zip
Auto merge of #84095 - infinity0:master, r=Mark-Simulacrum
bootstrap: check local_rebuild before adding --cfg=bootstrap, closes #84057
Diffstat (limited to 'src')
-rw-r--r--src/bootstrap/compile.rs10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
index 8244c7710ab..66a88e85fea 100644
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -462,11 +462,13 @@ impl Step for StartupObjects {
             let dst_file = &dst_dir.join(file.to_string() + ".o");
             if !up_to_date(src_file, dst_file) {
                 let mut cmd = Command::new(&builder.initial_rustc);
+                cmd.env("RUSTC_BOOTSTRAP", "1");
+                if !builder.local_rebuild {
+                    // a local_rebuild compiler already has stage1 features
+                    cmd.arg("--cfg").arg("bootstrap");
+                }
                 builder.run(
-                    cmd.env("RUSTC_BOOTSTRAP", "1")
-                        .arg("--cfg")
-                        .arg("bootstrap")
-                        .arg("--target")
+                    cmd.arg("--target")
                         .arg(target.rustc_target_arg())
                         .arg("--emit=obj")
                         .arg("-o")