databases/mongodb70: fix build with clang 21HEADmain

With clang 21 databases/mongodb70 fails to build, with errors similar to:

    In file included from src/third_party/boost/libs/log/src/default_sink.cpp:20:
    In file included from src/third_party/boost/boost/thread/locks.hpp:10:
    In file included from src/third_party/boost/boost/thread/lock_algorithms.hpp:11:
    In file included from src/third_party/boost/boost/thread/lock_types.hpp:18:
    In file included from src/third_party/boost/boost/thread/thread_time.hpp:11:
    In file included from src/third_party/boost/boost/date_time/posix_time/posix_time_types.hpp:16:
    In file included from src/third_party/boost/boost/date_time/posix_time/posix_time_duration.hpp:15:
    In file included from src/third_party/boost/boost/numeric/conversion/cast.hpp:33:
    In file included from src/third_party/boost/boost/numeric/conversion/converter.hpp:13:
    In file included from src/third_party/boost/boost/numeric/conversion/conversion_traits.hpp:13:
    In file included from src/third_party/boost/boost/numeric/conversion/detail/conversion_traits.hpp:18:
    In file included from src/third_party/boost/boost/numeric/conversion/detail/int_float_mixture.hpp:19:
    In file included from src/third_party/boost/boost/mpl/integral_c.hpp:32:
    src/third_party/boost/boost/mpl/aux_/integral_wrapper.hpp:62:51: error: in-class initializer for static data member is not a constant expression
       62 |     BOOST_STATIC_CONSTANT(AUX_WRAPPER_VALUE_TYPE, prior_value = BOOST_MPL_AUX_STATIC_CAST(AUX_WRAPPER_VALUE_TYPE, (N - 1)));
          |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    src/third_party/boost/boost/config/detail/suffix.hpp:394:72: note: expanded from macro 'BOOST_STATIC_CONSTANT'
      394 | #     define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
          |                                                                        ^~~~~~~~~~
    src/third_party/boost/boost/log/utility/strictest_lock.hpp:70:53: note: in instantiation of template class 'mpl_::integral_c<boost::log::lock_access_mode, boost::log::unlocked_access>' requested here
       70 | struct thread_access_mode_of< no_lock< MutexT > > : mpl::integral_c< lock_access_mode, unlocked_access >
          |                                                     ^
    src/third_party/boost/boost/mpl/aux_/integral_wrapper.hpp:62:65: note: integer value -1 is outside the valid range of values [0, 3] for the enumeration type 'lock_access_mode'
       62 |     BOOST_STATIC_CONSTANT(AUX_WRAPPER_VALUE_TYPE, prior_value = BOOST_MPL_AUX_STATIC_CAST(AUX_WRAPPER_VALUE_TYPE, (N - 1)));
          |                                                                 ^
    src/third_party/boost/boost/mpl/aux_/static_cast.hpp:24:47: note: expanded from macro 'BOOST_MPL_AUX_STATIC_CAST'
       24 | #   define BOOST_MPL_AUX_STATIC_CAST(T, expr) static_cast<T>(expr)
          |                                               ^

There are two of these cases in the vendored copy of boost in mongodb70,
which have been fixed in boost upstream:
* https://github.com/boostorg/numeric_conversion/commit/50a1eae
* https://github.com/boostorg/log/commit/77f1e20

To fix the errors, port these patches back to the vendored boost.

PR:             293230
MFH:            2026Q1

0 files changed, 0 insertions, 0 deletions