1 files changed, 19 insertions, 0 deletions
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 37a69fd..b9ccf7b 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -3015,3 +3015,22 @@ def is_libssl_fips_mode():
     except ImportError:
         return False  # more of a maybe, unless we add this to the _ssl module.
     return get_fips_mode() != 0
+
+
+def linked_to_musl():
+    """
+    Test if the Python executable is linked to the musl C library.
+    """
+    if sys.platform != 'linux':
+        return False
+
+    import subprocess
+    exe = getattr(sys, '_base_executable', sys.executable)
+    cmd = ['ldd', exe]
+    try:
+        stdout = subprocess.check_output(cmd,
+                                         text=True,
+                                         stderr=subprocess.STDOUT)
+    except (OSError, subprocess.CalledProcessError):
+        return False
+    return ('musl' in stdout)