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Added a workaround for MSVC 14.0 for BOOST_BITMASK.

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Apparently, MSVC 14.0 does not import type aliases into namespaces via
a using-declaration. Work around the problem by enabling the use of
a compiler intrinsic for deducing the underlyng type of the enum.
This commit is contained in:
Andrey Semashev
2025-06-12 23:56:02 +03:00
parent d3a556f694
commit 5628638ade
1 changed files with 2 additions and 1 deletions
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include/boost/detail/bitmask.hpp
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@@ -26,7 +26,8 @@
#endif
#endif
#if !defined(BOOST_BITMASK_DETAIL_UNDERLYING_TYPE) && defined(BOOST_GCC_VERSION) && (BOOST_GCC_VERSION >= 40700)
#if !defined(BOOST_BITMASK_DETAIL_UNDERLYING_TYPE) && \
((defined(BOOST_GCC_VERSION) && (BOOST_GCC_VERSION >= 40700)) || (defined(_MSC_VER) && (_MSC_VER >= 1700)))
#define BOOST_BITMASK_DETAIL_UNDERLYING_TYPE(enum_type) __underlying_type(enum_type)
#endif