Register the local 32-bit C++ toolchain with highest priority.

junyer · junyer · commit bbfad95445d5 · 2024-01-18T19:45:49.000Z
Change-Id: I79d52e24ed00e875d1cfbb1f316139ad7639aff6 Reviewed-on: https://code-review.googlesource.com/c/re2/+/62470 Reviewed-by: Paul Wankadia <junyer@google.com> Reviewed-by: Alex Chernyakhovsky <achernya@google.com>
diff --git a/python/setup.py b/python/setup.py
@@ -56,6 +56,11 @@ def build_extension(self, ext):
       cpu = os.environ['BAZEL_CPU']
       cmd.append(f'--cpu={cpu}')
       cmd.append(f'--platforms=//python:{cpu}')
+      if cpu == 'x64_x86_windows':
+        # Register the local 32-bit C++ toolchain with highest priority.
+        # (This is likely to break in some release of Bazel after 7.0.0,
+        # but this special case can hopefully be entirely removed then.)
+        cmd.append(f'--extra_toolchains=@local_config_cc//:cc-toolchain-{cpu}')
     except KeyError:
       pass
     # Register the local Python toolchain with highest priority.
