Hi everyone,
    I have an application where I need to add additional information to OBAtom, 
and OBBond so i decided to subclass them. Because I subclassed ABAtom, and 
OBBond, then I have to subclass OBMol to be able to create atoms/bonds of the 
newer version.

The problem i am running into is linking when i compile it. When I build from 
the command line everything works, but when I build from Xcode, for some reason 
it's having issues linking.
This is only an issue when I implement the constructor in the cpp file, but it 
builds fine when I implement them inside the class.

I've been googling and searched the forums but haven't been able to find 
anything. Any help is greatly appreciated.

The exact error is:
Undefined symbols for architecture x86_64:
  
"OpenBabel::OBMol::DoTransformations(std::__1::map<std::__1::basic_string<char, 
std::__1::char_traits<char>, std::__1::allocator<char> >, 
std::__1::basic_string<char, std::__1::char_traits<char>, 
std::__1::allocator<char> >, std::__1::less<std::__1::basic_string<char, 
std::__1::char_traits<char>, std::__1::allocator<char> > >, 
std::__1::allocator<std::__1::pair<std::__1::basic_string<char, 
std::__1::char_traits<char>, std::__1::allocator<char> > const, 
std::__1::basic_string<char, std::__1::char_traits<char>, 
std::__1::allocator<char> > > > > const*, OpenBabel::OBConversion*)", 
referenced from:
      vtable for Molecule in main.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)


-Andi
Ps: Sorry I didn't include the error message on the first post


-
Andi Dhroso, PhD Student

University of Missouri
Informatics Institute and
Department of Computer Science
246 Engineering Building West
Columbia, MO 65211
phone: 573.823.0129
e-mail: andi.dhr...@mail.missouri.edu<mailto:andi.dhr...@mail.missouri.edu>

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