Issue #10910: Avoid C++ compilation errors on FreeBSD and OS X.
Patch by Ronald Oussoren.
diff --git a/Include/pyport.h b/Include/pyport.h
index 66e00d4..3bab84d 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -688,6 +688,12 @@
#endif
#ifdef _PY_PORT_CTYPE_UTF8_ISSUE
+#ifndef __cplusplus
+ /* The workaround below is unsafe in C++ because
+ * the <locale> defines these symbols as real functions,
+ * with a slightly different signature.
+ * See issue #10910
+ */
#include <ctype.h>
#include <wctype.h>
#undef isalnum
@@ -705,6 +711,7 @@
#undef toupper
#define toupper(c) towupper(btowc(c))
#endif
+#endif
/* Declarations for symbol visibility.