compilation error when windows.h is included

[matbech]

when windows.h is included before taocpp, the following error occurs:
\include\tao\json\binding\member_kind.hpp(15): error C2059: syntax error: ','
The problem is caused by the OPTIONAL define:

         enum class member_kind : bool
         {
            OPTIONAL,
            REQUIRED
         };

which is defined in:
C:\Program Files (x86)\Windows Kits\10\Include\10.0.17134.0\shared\minwindef.h

#ifndef OPTIONAL
#define OPTIONAL
#endif

Similar issues with TRUE and FALSE:
include\tao\json\msgpack\internal\format.hpp

               FALSE = 0xc2,
               TRUE = 0xc3,

The workaround is to undefine them before including tao:

#undef OPTIONAL
#undef TRUE
#undef FALSE

but this is not very practical (TRUE/FALSE are used everywhere in a typical Windows app).