You are compiling under Cygwin, so the names of the DLLs are different. If you add cygopenbabel-4.dll to the PATH, then Windows can find it when you run example.exe.
- Noel On 28 October 2012 03:33, Ling Chan <slch...@yahoo.com> wrote: > Hello folks, > > I am trying to get started with using the OpenBabel libraries in > C++. So I followed the Quickstart example on the docs at > http://openbabel.org/docs/current/UseTheLibrary/CppExamples.html > But it gives the following complaints upon compilation: > > example.o:example.cpp:(.text+0x10c): undefined reference to > `OpenBabel::OBConversion::OBConversion(std::basic_istream<char, > std::char_traits<char> >*, std::basic_ostream<char, > std::char_traits<char> >*)' > example.o:example.cpp:(.text+0x12b): undefined reference to > `OpenBabel::OBConversion::SetInAndOutFormats(char const*, char const*)' > example.o:example.cpp:(.text+0x15c): undefined reference to > `OpenBabel::OBConversion::Convert()' > example.o:example.cpp:(.text+0x19e): undefined reference to > `OpenBabel::OBConversion::~OBConversion()' > example.o:example.cpp:(.text+0x1d7): undefined reference to > `OpenBabel::OBConversion::~OBConversion()' > > I verified that the compiler was accessing the file named > libopenbabel.dll.a at Tools/openbabel/install/lib. It has a size > of 2390908. > > Interestingly if I used the library at build/bin/cygopenbabel-4.dll, > the compilation would finish without complaints. Just that when I > subsequently run the executable, it gives the following complaint: > example.exe: error while loading shared libraries: cygopenbabel-4.dll: > cannot open shared object file: No such file or directory > > More details are given below. Any idea? > > Ling Chan > > ================================================================ > > I am using Cygwin on a Windows 7 laptop. > I compiled my OpenBabel suites by following the instructions at > http://openbabel.org/docs/2.3.1/Installation/install.html#compiling-open-babel > I did not have any of the optional items (libxml2, zlib, etc.). > I've also checked that the openbabel basic command, "babel", work fine. > > > > > -- > View this message in context: > http://forums.openbabel.org/C-API-problem-with-library-linking-tp4655620.html > Sent from the General discussion mailing list archive at Nabble.com. > > ------------------------------------------------------------------------------ > WINDOWS 8 is here. > Millions of people. Your app in 30 days. > Visit The Windows 8 Center at Sourceforge for all your go to resources. > http://windows8center.sourceforge.net/ > join-generation-app-and-make-money-coding-fast/ > _______________________________________________ > OpenBabel-discuss mailing list > OpenBabel-discuss@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/openbabel-discuss ------------------------------------------------------------------------------ WINDOWS 8 is here. Millions of people. Your app in 30 days. Visit The Windows 8 Center at Sourceforge for all your go to resources. http://windows8center.sourceforge.net/ join-generation-app-and-make-money-coding-fast/ _______________________________________________ OpenBabel-discuss mailing list OpenBabel-discuss@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/openbabel-discuss
