On Tue, May 8, 2012 at 10:04 AM, David Lonie <david.lo...@kitware.com>wrote:
> Hi all,
>
> I'm setting up a new windows build environment using Windows 7 and MSVC
> 2010 C++ express, and my application is unable to find some of the symbols
> from openbabel, namely etab and obErrorLog:
>
A while back we had this same problem on Ubuntu. It had something to do
with the fact that the .cpp file had no actual code in it so the linker
decided it wasn't necessary in shared libraries. Geoff probably knows
more, but here's an earlier discussion:
http://www.mail-archive.com/openbabel-devel@lists.sourceforge.net/msg00730.html
Craig
>
> 2> Creating library
> C:/src/xtalopt/build/src/xtalopt/Release/xtalopt.lib and object
> C:/src/xtalopt/build/src/xtalopt/Release/xtalopt.exp
> 2>globalsearch.lib(optbase.obj) : error LNK2001: unresolved external
> symbol "class OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>tab_edit.obj : error LNK2001: unresolved external symbol "class
> OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>tab_init.obj : error LNK2001: unresolved external symbol "class
> OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>xtalopt.obj : error LNK2001: unresolved external symbol "class
> OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>globalsearch.lib(structure.obj) : error LNK2001: unresolved external
> symbol "class OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>debug.obj : error LNK2019: unresolved external symbol "class
> OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A) referenced in function "void __cdecl
> XtalOptDebug::dumpPseudoPwscfOut(class XtalOpt::Xtal const *,class QString
> const &)" (?dumpPseudoPwscfOut@XtalOptDebug@@YAXPBVXtal@XtalOpt
> @@ABVQString@@@Z)
> 2>genetic.obj : error LNK2001: unresolved external symbol "class
> OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>submolecule.obj : error LNK2001: unresolved external symbol "class
> OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>xtal.obj : error LNK2001: unresolved external symbol "class
> OpenBabel::OBElementTable OpenBabel::etab" (?etab@OpenBabel
> @@3VOBElementTable@1@A)
> 2>globalsearch.lib(abstractdialog.obj) : error LNK2019: unresolved
> external symbol "class OpenBabel::OBMessageHandler OpenBabel::obErrorLog"
> (?obErrorLog@OpenBabel@@3VOBMessageHandler@1@A) referenced in function
> "public: __thiscall GlobalSearch::AbstractDialog::AbstractDialog(class
> Avogadro::GLWidget *,class QWidget *,class QFlags<enum Qt::WindowType>)"
> (??0AbstractDialog@GlobalSearch@@QAE@PAVGLWidget@Avogadro@@PAVQWidget@
> @V?$QFlags@W4WindowType@Qt@@@@@Z)
> 2>C:\src\xtalopt\build\src\xtalopt\Release\xtalopt.dll : fatal error
> LNK1120: 2 unresolved externals
>
> My project uses a lot of objects from openbabel, not just etab, but it
> looks like the linker is only unable to find these two symbols. Maybe
> because etab is static? I had this working without issue under WinXP + MSVC
> C++ 2008 Express. Any windows devs have an idea what may be causing this
> now?
>
> Thanks,
>
> Dave
>
>
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