Re: call octave from C++ - linker error

[Juan Pablo Carbajal]

On Fri, Nov 4, 2011 at 12:35 PM, Juan Pablo Carbajal
<address@hidden> wrote:
> On Fri, Nov 4, 2011 at 11:59 AM, Miklos Espak <address@hidden> wrote:
>> Hi all,
>> now I compiled and installed the latest stable Octave (3.4.3) from sources.
>> Then I tried to compile the simple test with the following command:
>> g++ -I /usr/local/include/octave-3.4.3 -L/usr/local/lib/octave/3.4.3/
>> -loctave -loctinterp -lcruft -ooctave_test octave_test.cc
>> I get this error from the linker:
>> /tmp/ccKIAjJB.o: In function `main':
>> octave_test.cc:(.text+0x3b): undefined reference to `octave_main'
>> octave_test.cc:(.text+0x5b): undefined reference to
>> `octave_value::octave_value(int)'
>> octave_test.cc:(.text+0xa0): undefined reference to
>> `octave_value::octave_value(char const*, char)'
>> octave_test.cc:(.text+0x1b5): undefined reference to
>> `MatrixType::MatrixType()'
>> octave_test.cc:(.text+0x1d2): undefined reference to
>> `octave_value::octave_value(Matrix const&, MatrixType const&)'
>> octave_test.cc:(.text+0x210): undefined reference to
>> `MatrixType::~MatrixType()'
>> octave_test.cc:(.text+0x250): undefined reference to
>> `feval(std::basic_string<char, std::char_traits<char>, std::allocator<char>
>>> const&, octave_value_list const&, int)'
>> octave_test.cc:(.text+0x36e): undefined reference to
>> `operator<<(std::basic_ostream<char, std::char_traits<char> >&, Matrix
>> const&)'
>> octave_test.cc:(.text+0x382): undefined reference to `do_octave_atexit()'
>> octave_test.cc:(.text+0x409): undefined reference to
>> `MatrixType::~MatrixType()'
>> /tmp/ccKIAjJB.o: In function `octave_base_value::octave_base_value()':
>> octave_test.cc:(.text._ZN17octave_base_valueC2Ev[_ZN17octave_base_valueC5Ev]+0x13):
>> undefined reference to `vtable for octave_base_value'
>> /tmp/ccKIAjJB.o: In function `octave_base_value::~octave_base_value()':
>> octave_test.cc:(.text._ZN17octave_base_valueD2Ev[_ZN17octave_base_valueD5Ev]+0x13):
>> undefined reference to `vtable for octave_base_value'
>> /tmp/ccKIAjJB.o: In function `octave_value_list::resize(int, octave_value
>> const&)':
>> octave_test.cc:(.text._ZN17octave_value_list6resizeEiRK12octave_value[octave_value_list::resize(int,
>> octave_value const&)]+0x3b): undefined reference to
>> `Array<octave_value>::resize(dim_vector const&, octave_value const&)'
>> /tmp/ccKIAjJB.o: In function `octave_value_list::elem(int)':
>> octave_test.cc:(.text._ZN17octave_value_list4elemEi[octave_value_list::elem(int)]+0x26):
>> undefined reference to `Array<octave_value>::resize_fill_value()'
>> /tmp/ccKIAjJB.o: In function `Array<double>::Array(dim_vector const&)':
>> octave_test.cc:(.text._ZN5ArrayIdEC2ERK10dim_vector[_ZN5ArrayIdEC5ERK10dim_vector]+0x2e):
>> undefined reference to `dim_vector::safe_numel() const'
>> collect2: ld returned 1 exit status
>>
>> The library is there and it contains the required symbols:
>> address@hidden:~/src/octave-test$ file
>> /usr/local/lib/octave/3.4.3/liboctinterp.so.0.0.0
>> /usr/local/lib/octave/3.4.3/liboctinterp.so.0.0.0: ELF 64-bit LSB shared
>> object, x86-64, version 1 (GNU/Linux), dynamically linked, not stripped
>> address@hidden:~/src/octave-test$ strings
>> /usr/local/lib/octave/3.4.3/liboctinterp.so.0.0.0 | grep octave_main
>> octave_main
>> What options I have to add?
>> Does anybody know how to get it working?
>> Thanks,
>> Miklos
>>
>> _______________________________________________
>> Help-octave mailing list
>> address@hidden
>> https://mailman.cae.wisc.edu/listinfo/help-octave
>>
>>
>
> Shouldn't you compile with
>
> mkoctfile
>
> ?
>
> --
> M. Sc. Juan Pablo Carbajal
> -----
> PhD Student
> University of Zürich
> http://ailab.ifi.uzh.ch/carbajal/
>

Oh, I see...no you shouldn't...

-- 
M. Sc. Juan Pablo Carbajal
-----
PhD Student
University of Zürich
http://ailab.ifi.uzh.ch/carbajal/