Print debug information during toolchain resolution.

junyer · junyer · commit 8e719eef2fc0 · 2024-01-16T19:51:36.000Z
Change-Id: I0785aa430af198635b9c4a193043a3798417acc8 Reviewed-on: https://code-review.googlesource.com/c/re2/+/62375 Reviewed-by: Alex Chernyakhovsky <achernya@google.com> Reviewed-by: Paul Wankadia <junyer@google.com>
diff --git a/python/setup.py b/python/setup.py
@@ -59,6 +59,8 @@ def build_extension(self, ext):
       pass
     # Register the local Python toolchain with highest priority.
     cmd.append('--extra_toolchains=@local_config_python//:py_toolchain')
+    # Print debug information during toolchain resolution.
+    cmd.append('--toolchain_resolution_debug=.*')
     cmd += ['--compilation_mode=opt', '--', ':all']
     self.spawn(cmd)
 
