diff --git a/include/pybind11/detail/internals.h b/include/pybind11/detail/internals.h index 228dd764..a9136fa8 100644 --- a/include/pybind11/detail/internals.h +++ b/include/pybind11/detail/internals.h @@ -291,9 +291,12 @@ struct type_info { #endif /// On Linux/OSX, changes in __GXX_ABI_VERSION__ indicate ABI incompatibility. +/// On MSVC, changes in _MSC_VER may indicate ABI incompatibility (#2898). #ifndef PYBIND11_BUILD_ABI # if defined(__GXX_ABI_VERSION) # define PYBIND11_BUILD_ABI "_cxxabi" PYBIND11_TOSTRING(__GXX_ABI_VERSION) +# elif defined(_MSC_VER) +# define PYBIND11_BUILD_ABI "_mscver" PYBIND11_TOSTRING(_MSC_VER) # else # define PYBIND11_BUILD_ABI "" # endif