Boost C++ Libraries: Ticket #2506: program_options::arg undefined. Win DLL

Vladimir Prus — Mon, 17 Nov 2008 20:30:19 GMT

It is definitely defined, in libs/program_options/value_semantic.cpp:

BOOST_PROGRAM_OPTIONS_DECL std::string arg("arg");

Are you sure you are linking to the right version of the library? E.g. if you're linking to program_options dynamically, then you should define BOOST_PROGRAM_OPTIONS_DYN_LINK when building your own code.

patbob@… — Mon, 17 Nov 2008 21:50:08 GMT

No, I did not define that undocumented symbol. Defining it fixed things.

That define appears to be undocumented -- that string appears nowhere in any of the html doc files bundled with 1.37.0, and I never saw it while perusing the program options doc files. So, naturally, I didn't know I needed to define it :)

Also fixed defect 1904 (undefined reference to `boost::program_options::options_description::m_default_line_length'), which I was also having problems with.

Go ahead and close this bug -- it's a non-problem once you know about that define.

status changed; resolution set

Vladimir Prus — Sat, 30 May 2009 10:21:20 GMT

status new → closed
resolution → fixed