bpo-31374: expat doesn't include <pyconfig.h> on Windows (GH-11079)
(cherry picked from commit b6ef6f69a9afc979640a5f9883f799de1364bff7)
Co-authored-by: Victor Stinner <vstinner@redhat.com>
diff --git a/Modules/expat/xmltok.c b/Modules/expat/xmltok.c
index fa35de7..6371a35 100644
--- a/Modules/expat/xmltok.c
+++ b/Modules/expat/xmltok.c
@@ -30,7 +30,9 @@
USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#include <pyconfig.h>
+#if !defined(_WIN32) && defined(HAVE_EXPAT_CONFIG_H)
+# include <pyconfig.h>
+#endif
#include <stddef.h>
#include <string.h> /* memcpy */