[Boost-users] Solved my problem, RE: program_options wide chars.

14 Feb 2006

      Apparently the library is compiled treating wchar_t as a built-in
type.  This applies to at least Visual Studio .Net 2003, and probably
2005.

Programs that link with the program_options lib need to define /Zc:wchar_t, e.g.
Project Properties -> C/C++ -> Language -> Treat wchar_t as Built-in Type -> Yes

--John Gardner