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FAQ #27: Compilation of DCMTK-based program fails with LNK2001 [MSVC]

 
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Marco Eichelberg
OFFIS DICOM Team
OFFIS DICOM Team


Joined: 02 Nov 2004
Posts: 1156
Location: Oldenburg, Germany
PostPosted: Tue, 2004-11-09, 10:37    Post subject: FAQ #27: Compilation of DCMTK-based program fails with LNK2001 [MSVC] Reply with quote
Question I am developing an application on Microsoft Visual C++ (MSVC) that uses DCMTK. When I try to compile and link my application against the DCMTK libraries, the linker fails with error LNK2001, e.g.
Code:
dcmdata.lib(dcuid.obj) : error LNK2001: unresolved external symbol _Netbios@4

Exclamation You are not linking all of the libraries needed, or you are linking in wrong order (library link order is significant!) The DCMTK libraries have the following internal dependencies (also see this figure):
  • dcmdata Arrow ofstd
  • dcmimage Arrow dcmimgle, dcmdata, ofstd
  • dcmimgle Arrow dcmdata, ofstd
  • dcmjpeg Arrow ijg8, ijg12, ijg16, dcmimage, dcmimgle, dcmdata, ofstd
  • dcmnet Arrow dcmdata, ofstd
  • dcmpstat Arrow dcmimage, dcmimgle, dcmsign, dcmsr, imagectn, dcmtls, dcmnet, dcmdata, ofstd
  • dcmsign Arrow dcmdata, ofstd
  • dcmsr Arrow dcmdata, ofstd
  • dcmtls Arrow dcmnet, dcmdata, ofstd
  • dcmwlm Arrow dcmnet, dcmdata, ofstd
  • imagectn/dcmqrdb Arrow dcmnet, dcmdata, ofstd
In addition to the standard libraries, most DCMTK applications have to be linked against the "netapi32" and "wsock32" libraries, even if they contain no networking code. Several external libraries such as zlib, OpenSSL etc. might also be needed. See the INSTALL file for details.
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