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List:       xerces-c-dev
Subject:    [jira] Created: (XERCESC-1855) Export classes in a DLL drived from
From:       "Andrea Richards (JIRA)" <xerces-c-dev () xml ! apache ! org>
Date:       2009-03-02 18:04:56
Message-ID: 967984801.1236017096362.JavaMail.jira () brutus
[Download RAW message or body]

Export classes in a DLL drived from classes exported by Xerces causes linker errors
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                 Key: XERCESC-1855
                 URL: https://issues.apache.org/jira/browse/XERCESC-1855
             Project: Xerces-C++
          Issue Type: Bug
          Components: DOM
    Affects Versions: 3.0.1
         Environment: Windows XP Visual Studio 2005
            Reporter: Andrea Richards
            Priority: Blocker


We currently have a DLL which exports a couple of classes derived from Xerces. These \
are ContentSpecHandler and DTDElementDecl. When I try to export these classes from \
our DLL I get numerous linker errors despite including the both the lib files (which \
contain the correct signatures) and setting up the solutions dependancies.  One \
example is shown below. I believe this to be a bug as it must be possible to derive a \
class from Xerces in a another DLL and then export it to be used by an EXE file, but \
this appears not to be the case. Do you have an answer or a working solution that \
will allow me to continue integration ? Thanks

Andrea



class LAD_EXPORT CXMLContentSpecNode : public ContentSpecNode
{

   public:
      CXMLContentSpecNode(MemoryManager* const manager = \
XMLPlatformUtils::fgMemoryManager)  : ContentSpecNode(manager), m_iElementId(-1) {};

...

};

Linker error :
XMLInterface.obj : error LNK2001: unresolved external symbol "public: static class \
xercesc_3_0::MemoryManager * xercesc_3_0::XMLPlatformUtils::fgMemoryManager" \
(?fgMemoryManager@XMLPlatformUtils@xercesc_3_0@@2PAVMemoryManager@2@A)

Map file entry:
 0004:00030c7c       \
?fgMemoryManager@XMLPlatformUtils@xercesc_3_0@@2PAVMemoryManager@2@A 10552c7c     \
PlatformUtils.obj







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