pythongh-120593: Check -Wcast-qual flag in test_cext

vstinner · vstinner · commit c558559240b4 · 2024-06-27T11:46:27.000+02:00
Check the usage of the 'const' qualifier in the Python C API in
test_cext.
diff --git a/Lib/test/test_cext/setup.py b/Lib/test/test_cext/setup.py
@@ -17,6 +17,9 @@
         # The purpose of test_cext extension is to check that building a C
         # extension using the Python C API does not emit C compiler warnings.
         '-Werror',
+
+        # gh-120593: Check the 'const' qualifier
+        '-Wcast-qual',
     ]
     if not support.Py_GIL_DISABLED:
         CFLAGS.append(
