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Avoid LNK2001 in c++20 when /GL (Whole program optimization) is on with MSVC Update pybind11.h (#5939)

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KenLee
2025-12-23 11:07:33 +08:00
committed by GitHub
parent 78381e5e28
commit 7ae61bfb82
1 changed files with 10 additions and 2 deletions
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12
include/pybind11/pybind11.h
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@@ -43,6 +43,12 @@ PYBIND11_WARNING_DISABLE_CLANG("-Wgnu-zero-variadic-macro-arguments")
# include <cxxabi.h>
#endif
#if defined(__cpp_if_constexpr) && __cpp_if_constexpr >= 201606
# define PYBIND11_MAYBE_CONSTEXPR constexpr
#else
# define PYBIND11_MAYBE_CONSTEXPR
#endif
PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
/* https://stackoverflow.com/questions/46798456/handling-gccs-noexcept-type-warning
@@ -3606,13 +3612,15 @@ function get_override(const T *this_ptr, const char *name) {
auto o = override(__VA_ARGS__); \
PYBIND11_WARNING_PUSH \
PYBIND11_WARNING_DISABLE_MSVC(4127) \
if (pybind11::detail::cast_is_temporary_value_reference<ret_type>::value \
if PYBIND11_MAYBE_CONSTEXPR ( \
pybind11::detail::cast_is_temporary_value_reference<ret_type>::value \
&& !pybind11::detail::is_same_ignoring_cvref<ret_type, PyObject *>::value) { \
static pybind11::detail::override_caster_t<ret_type> caster; \
return pybind11::detail::cast_ref<ret_type>(std::move(o), caster); \
} else { \
return pybind11::detail::cast_safe<ret_type>(std::move(o)); \
} \
PYBIND11_WARNING_POP \
return pybind11::detail::cast_safe<ret_type>(std::move(o)); \
} \
} while (false)