Hi,
On Wed, Feb 17, 2010 at 4:08 PM, sam moors wrote:
> Hi,
>
> I'm trying to compile the example code on this page:
>
> http://openbabel.org/wiki/Developer:Cpp_Tutorial
>
> but I get errors during compilation with this command (the header files
> are installed in /home/sam/progs/openbabel-2.2.3/include):
>
> g++ -I/home/sam/progs/openbabel-2.2.3/include convert.cpp -o convert
You still need to link to the openbabel library: -lopenbabel (first
letter is lower case L)
Tim
> /tmp/ccbdQkQz.o: In function `main':
> convert.cpp:(.text+0x19c): undefined reference to
> `OpenBabel::OBConversion::OBConversion(std::basic_istream std::char_traits >*, std::basic_ostream
>>*)'
> convert.cpp:(.text+0x1ba): undefined reference to
> `OpenBabel::OBConversion::SetInAndOutFormats(char const*, char const*)'
> convert.cpp:(.text+0x1ff): undefined reference to
> `OpenBabel::OBConversion::Convert()'
> convert.cpp:(.text+0x25d): undefined reference to
> `OpenBabel::OBConversion::~OBConversion()'
> convert.cpp:(.text+0x279): undefined reference to
> `OpenBabel::OBConversion::~OBConversion()'
> collect2: ld returned 1 exit status
>
> The openbabel-2.2.3 source was manually compiled on ubuntu 9.04.
>
> Please can anybody help?
>
> Thanks,
> Sam
>
>
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