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I have a namespace and class defined inside a cpp file (say x.cpp ). I want to declare this class as 'friend' inside another header (say y.h), but the header won't recognize the namespace.
Now, when I put the namespace in another header (x.h) and include it in y.h, I get a re-definition error ( also in x.cpp ). I can't remove the namespace definition from x.cpp, since it has been put together by a framework for me, and I won't be able to use the framework otherwise.
Does this mean I can't declare this class as friend of any other class ?
I'm developing a wxWidgets 3.0 project using this Json_spirit library with boost 1_46_0 in Visual Studio 2008.
I Edited all the Additional directories and Additional Dependencies in the properties
After compiling the project I'm getting linkage error like
error LNK2019: unresolved external symbol "bool __cdecl json_spirit::read(class std::basic_istream<char,struct std::char_traits<char> > &,class json_spirit::Value_impl<struct json_spirit::Config_vector<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > > > &)" (?J_read@json_spirit@@YA_NAEAV?$basic_istream@DU?$char_traits@D@std@@@std@@AEAV?$Value_impl@U?$Config_vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@json_spirit@@@1@@Z) referenced in function "private: class wxWindow * __cdecl HiFrame::ReadingJson(class wxWindow *,class wxString &,class wxString &)" (?ReadingJson@HiFrame@@AEAAPEAVwxWindow@@PEAV2@AEAVwxString@@1@Z) "
can anybody help me out to resolve this problem.??