Here is the problematic part:
namespace po = boost::program_options;
po::options_description common_options("common options");
common_options.add_options()
("help", po::bool_switch(&helpflag), "produce help message")
("dir",
po::valuestd::wstring()->notifier(&datadir_set),
"the directory")
;
I get a huge speil of error output, concluding with
see reference to class template instantiation 'boost::program_options::typed_value' being compiled
with
[
T=std::wstring,
charT=char
]
Reading "Unicode Support" in the docs, it sounds like design decisions rather than any how-to, but the beginning is clear: it is possible to mix wide and narrow options, and aggregating options from libraries or parsing different input sources should work.
So why does it barf at the use of a wide-char string as a desired option? I expect that the wchar_t* form of the parser will pass that unchanged to this option, and the char* form should convert.
What am I missing?
--John
(sorry about the footer)
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