--- a/utils/bazel/configure.bzl	2022-08-27 19:11:41.138993000 +0100
+++ b/utils/bazel/configure.bzl	2022-08-27 19:12:07.525186000 +0100
@@ -37,7 +37,7 @@
     overlay_path = bazel_path.get_child("llvm-project-overlay")
     script_path = bazel_path.get_child("overlay_directories.py")
 
-    python_bin = repository_ctx.which("python3")
+    python_bin = repository_ctx.which("%%PYTHON%%")
     if not python_bin:
         # Windows typically just defines "python" as python3. The script itself
         # contains a check to ensure python3.