Auto merge of #144166 - matthiaskrgr:rollup-wccepuo, r=matthiaskrgr

Rollup of 10 pull requests

Successful merges:

 - rust-lang/rust#141076 (fix Zip unsoundness (again))
 - rust-lang/rust#142444 (adding run-make test to autodiff)
 - rust-lang/rust#143704 (Be a bit more careful around exotic cycles in in the inliner)
 - rust-lang/rust#144073 (Don't test panic=unwind in panic_main.rs on Fuchsia)
 - rust-lang/rust#144083 (miri sleep tests: increase slack)
 - rust-lang/rust#144092 (bootstrap: Detect musl hosts)
 - rust-lang/rust#144098 (Do not lint private-in-public for RPITIT)
 - rust-lang/rust#144103 (Rename `emit_unless` to `emit_unless_delay`)
 - rust-lang/rust#144108 (Ignore tests/run-make/link-eh-frame-terminator/rmake.rs when cross-compiling)
 - rust-lang/rust#144115 (fix outdated comment)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 6 insertions, 1 deletions

diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
index d8c6be78247..40e08361a0f 100644
--- a/src/bootstrap/bootstrap.py
+++ b/src/bootstrap/bootstrap.py
@@ -8,6 +8,7 @@ import re
 import shutil
 import subprocess
 import sys
+import sysconfig
 import tarfile
 import tempfile
 
@@ -333,7 +334,11 @@ def default_build_triple(verbose):
         if ostype == "Android":
             kernel = "linux-android"
         else:
-            kernel = "unknown-linux-gnu"
+            python_soabi = sysconfig.get_config_var("SOABI")
+            if python_soabi is not None and "musl" in python_soabi:
+                kernel = "unknown-linux-musl"
+            else:
+                kernel = "unknown-linux-gnu"
     elif kernel == "SunOS":
         kernel = "pc-solaris"
         # On Solaris, uname -m will return a machine classification instead