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-rw-r--r--Include/pyport.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/Include/pyport.h b/Include/pyport.h
index a78e290..59f225f 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -36,10 +36,12 @@ extern "C++" {
inline type _Py_CAST_impl(int ptr) {
return reinterpret_cast<type>(ptr);
}
+#if __cplusplus >= 201103
template <typename type>
inline type _Py_CAST_impl(std::nullptr_t) {
return static_cast<type>(nullptr);
}
+#endif
template <typename type, typename expr_type>
inline type _Py_CAST_impl(expr_type *expr) {
@@ -70,8 +72,9 @@ extern "C++" {
#endif
// Static inline functions should use _Py_NULL rather than using directly NULL
-// to prevent C++ compiler warnings. In C++, _Py_NULL uses nullptr.
-#ifdef __cplusplus
+// to prevent C++ compiler warnings. On C++11 and newer, _Py_NULL is defined as
+// nullptr.
+#if defined(__cplusplus) && __cplusplus >= 201103
# define _Py_NULL nullptr
#else
# define _Py_NULL NULL