diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h index bcdede61e..3af6c4e37 100644 --- a/Eigen/src/Core/util/Macros.h +++ b/Eigen/src/Core/util/Macros.h @@ -533,8 +533,11 @@ #endif // Does the compiler support result_of? +// It's likely that MSVC 2013 supports result_of but I couldn't not find a good source for that, +// so let's be conservative. #ifndef EIGEN_HAS_STD_RESULT_OF -#if EIGEN_MAX_CPP_VER>=11 && ((__has_feature(cxx_lambdas) || (defined(__cplusplus) && __cplusplus >= 201103L))) +#if EIGEN_MAX_CPP_VER>=11 && \ + (__has_feature(cxx_lambdas) || (defined(__cplusplus) && __cplusplus >= 201103L) || EIGEN_COMP_MSVC >= 1900) #define EIGEN_HAS_STD_RESULT_OF 1 #else #define EIGEN_HAS_STD_RESULT_OF 0