Re: [Boost-users] LNK2019 errors in when compiling vc7 project using Regex

From: cyril.godart_at_[hidden]
Date: 2003-11-05 04:42:19

Hi,

It seems that you simply have not linked to the regex library. BTW,
I believe the name is "regex" and that "Regex++" was the name before John
Maddock ported his library to boost.
Regex is one of boost library that does not consist only of headers. It
needs an actual binary to link to. Which means you have to build it
yourself.
Have you gone through this stage ?
If not I suggest you do not go through Bjam for this one and instead go to
boost/libs/regex/build and run the VC7 make file there (vc7) inside the VC7
command
console. If memory serves,
it produces the complete set of static and dynamic libraries you need
whereas Bjam
does only part of it (or maybe I could not make it work properly).
Then in your settings in the link tab put the path to the library you want
to use (I believe
a pragma lib takes care of choosing the one compatible with the version of
the C library
you compile with).

Kind regards,

Cyril Godart.

Internet
eyebe97_at_[hidden]@lists.boost.org - 04/11/2003 20:42

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Subject:    [Boost-users] LNK2019 errors in when compiling vc7 project
       using      Regex

I'm having a problem building my VS .NET C++ Console
Application. One of the classes uses the Boost RegEx++
libraries.  If I compile the class by itself, I get no
errors. If I build the project, I get the 15 linking
errors (3 are included at the bottom of this message)
and they all refer to regex++ calls. I pretty sure
that my problem is that  the correct regex library,
dll, or class is not specified in the correct
properties setting , but I have no clue where the
specification needs to go.  Please Help!!

Project settings:
C/C++ --> General --> Additional Include Directories:
"C:\cpp\STLport-4.6\stlport";C:\cpp\boost
Linker --> General --> Additional Library Directories:
C:\cpp\boost\libs\regex\build\vc7-stlport

3 of 15 linking errors

Prob.obj : error LNK2019: unresolved external symbol
"public: __thiscall boost::reg_expression<char,class
boost::regex_traits<char>,class _STL::allocator<char>
>::~reg_expression<char,class
boost::regex_traits<char>,class _STL::allocator<char>
>(void)"
(??1?$reg_expression_at_DV?$regex_traits_at_D@boost@@V?$allocator_at_D@_STL@@@boost@@QAE_at_XZ)

referenced in function "public: virtual void
__thiscall Prob::main(char * const,struct diff
*,bool)" (?main_at_Prob@@UAEXQADPAUdiff@@_N_at_Z)
Prob.obj : error LNK2019: unresolved external symbol
"public: __thiscall boost::reg_expression<char,class
boost::regex_traits<char>,class _STL::allocator<char>
>::reg_expression<char,class
boost::regex_traits<char>,class _STL::allocator<char>
>(char const *,unsigned int,class
_STL::allocator<char> const &)"
(??0?$reg_expression_at_DV?$regex_traits_at_D@boost@@V?$allocator_at_D@_STL@@@boost@@QAE_at_PBDIABV?$allocator_at_D@_STL@@@Z)

referenced in function "public: virtual void
__thiscall Prob::main(char * const,struct diff
*,bool)" (?main_at_Prob@@UAEXQADPAUdiff@@_N_at_Z)
Prob.obj : error LNK2019: unresolved external symbol
"protected: void __cdecl
boost::re_detail::match_results_base<char const
*,class _STL::allocator<char> >::m_free(void)"
(?m_free@?$match_results_base_at_PBDV?$allocator_at_D@_STL@@@re_detail_at_boost@@IAAXXZ)

referenced in function "public: __thiscall
boost::re_detail::match_results_base<char const
*,class _STL::allocator<char>
>::~match_results_base<char const *,class
_STL::allocator<char> >(void)"
(??1?$match_results_base_at_PBDV?$allocator_at_D@_STL@@@re_detail_at_boost@@QAE_at_XZ)

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