Errors compiling a C++ class that includes Octave

Jon Davis susan.and.jon at gmail.com
Tue Jul 22 19:28:08 CDT 2008 

Kyusik Chung wrote:
> Hi Riza,
>
> I initially did that, but I don't believe you get the header files to 
> be able to compile your own C++ code that includes Octave libraries. I 
> was not able to find an "octave-dev" package to install via apt-get 
> install.
>
> Kyusik
What you need is called octave3.0-headers. Using synaptic provides more 
information than searching with apt-cache, for example.

Jon
>
> On Jul 23, 2008, at 7:53 AM, Abdul Rahman Riza wrote:
>
>> Dear Kyusik,
>> If you’re using Ubuntu Hardy Heron I suggest you one of two 
>> alternative way installing octave:
>>
>>    1. Try this command in terminal => sudo apt-get install octave
>>    2. From synaptic manager select octave package and apply for
>>       installation then you can run it.
>>
>> Happy hacking,
>> Riza
>> ------------------------------------------------------------------------
>> *From:* Kyusik Chung [mailto:kyusik at gmail.com]
>> *Sent:* Tuesday, July 22, 2008 3:56 PM
>> *To:* help-octave at octave.org <mailto:help-octave at octave.org>
>> *Subject:* Errors compiling a C++ class that includes Octave
>> Hello,
>>
>> I am new to both C++ and Octave, so apologies if my mistakes are 
>> obvious. I downloaded and installed Octave 3.0.1 on ubuntu 8.0.4.
>>
>> I have tried to compile a simple class that includes octave/Matrix.h. 
>> All I do right now is try to create a matrix using the following in 
>> my C++ code:
>> Matrix m = Matrix(10, 10);
>>
>> (I looked at 
>> http://www.gnu.org/software/octave/doc/interpreter/Standalone-Programs.html#Standalone-Programs 
>> for an example)
>>
>> When I try to make, I get a long list of errors (partial pasted 
>> below). What am I doing wrong?
>>
>> Thanks!
>> Kyusik
>>
>> ==============================
>> g++ -c -o OctavePackage.o -O3 -Wall -I 
>> /usr/local/include/octave-3.0.1 -g OctavePackage.cpp
>> In file included from 
>> /usr/local/include/octave-3.0.1/octave/dim-vector.h:31,
>> from /usr/local/include/octave-3.0.1/octave/Array.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Array2.h:32,
>> from /usr/local/include/octave-3.0.1/octave/boolMatrix.h:27,
>> from /usr/local/include/octave-3.0.1/octave/mx-base.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:31,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/oct-types.h:52:2: error: 
>> #error "No 2 byte integer type found!"
>> /usr/local/include/octave-3.0.1/octave/oct-types.h:62:2: error: 
>> #error "No 4 byte integer type found!"
>> In file included from 
>> /usr/local/include/octave-3.0.1/octave/mx-base.h:29,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:31,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/MatrixType.h:34: error: 
>> function definition does not declare parameters
>> In file included from 
>> /usr/local/include/octave-3.0.1/octave/dim-vector.h:30,
>> from /usr/local/include/octave-3.0.1/octave/Array.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Array2.h:32,
>> from /usr/local/include/octave-3.0.1/octave/boolMatrix.h:27,
>> from /usr/local/include/octave-3.0.1/octave/mx-base.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:31,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/lo-error.h:30: error: expected 
>> initializer before ‘GCC_ATTR_NORETURN’
>> /usr/local/include/octave-3.0.1/octave/lo-error.h:44: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/lo-error.h:46: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/lo-error.h:48: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/lo-error.h:50: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/lo-error.h:52: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/lo-error.h:54: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> In file included from /usr/local/include/octave-3.0.1/octave/Array.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Array2.h:32,
>> from /usr/local/include/octave-3.0.1/octave/boolMatrix.h:27,
>> from /usr/local/include/octave-3.0.1/octave/mx-base.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:31,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/dim-vector.h: In member 
>> function ‘void dim_vector::resize(int, int)’:
>> /usr/local/include/octave-3.0.1/octave/dim-vector.h:215: error: 
>> ‘current_liboctave_error_handler’ was not declared in this scope
>> In file included from /usr/local/include/octave-3.0.1/octave/Array.h:34,
>> from /usr/local/include/octave-3.0.1/octave/Array2.h:32,
>> from /usr/local/include/octave-3.0.1/octave/boolMatrix.h:27,
>> from /usr/local/include/octave-3.0.1/octave/mx-base.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:31,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h: At global scope:
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:36: error: expected 
>> initializer before ‘NINTbig’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:37: error: two or 
>> more data types in declaration of ‘NINT’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:38: error: two or 
>> more data types in declaration of ‘D_NINT’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:40: error: two or 
>> more data types in declaration of ‘strsave’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:42: error: two or 
>> more data types in declaration of ‘octave_putenv’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:44: error: expected 
>> initializer before ‘octave_fgets’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:45: error: expected 
>> initializer before ‘octave_fgetl’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:47: error: expected 
>> initializer before ‘octave_fgets’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:48: error: expected 
>> initializer before ‘octave_fgetl’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:50: error: two or 
>> more data types in declaration of ‘octave_gethostname’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:53: error: two or 
>> more data types in declaration of ‘octave_qsort’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:56: error: two or 
>> more data types in declaration of ‘oct_strptime’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:58: error: expected 
>> constructor, destructor, or type conversion before ‘int’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:60: error: expected 
>> constructor, destructor, or type conversion before ‘int’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:62: error: two or 
>> more data types in declaration of ‘octave_read_double’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:63: error: expected 
>> initializer before ‘octave_read_complex’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:65: error: two or 
>> more data types in declaration of ‘octave_write_double’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:66: error: two or 
>> more data types in declaration of ‘octave_write_complex’
>> /usr/local/include/octave-3.0.1/octave/lo-utils.h:76: error: expected 
>> initializer before ‘octave_waitpid’
>> In file included from 
>> /usr/local/include/octave-3.0.1/octave/boolMatrix.h:27,
>> from /usr/local/include/octave-3.0.1/octave/mx-base.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:31,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/Array2.h: In constructor 
>> ‘Array2<T>::Array2(const dim_vector&)’:
>> /usr/local/include/octave-3.0.1/octave/Array2.h:62: error: 
>> ‘current_liboctave_error_handler’ was not declared in this scope
>> /usr/local/include/octave-3.0.1/octave/Array2.h: In constructor 
>> ‘Array2<T>::Array2(const dim_vector&, const T&)’:
>> /usr/local/include/octave-3.0.1/octave/Array2.h:68: error: 
>> ‘current_liboctave_error_handler’ was not declared in this scope
>> In file included from 
>> /usr/local/include/octave-3.0.1/octave/mx-inlines.cc:29,
>> from /usr/local/include/octave-3.0.1/octave/mx-op-defs.h:27,
>> from /usr/local/include/octave-3.0.1/octave/boolMatrix.h:30,
>> from /usr/local/include/octave-3.0.1/octave/mx-base.h:33,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:31,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/quit.h: At global scope:
>> /usr/local/include/octave-3.0.1/octave/quit.h:63: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:65: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:67: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:69: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:71: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:73: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:82: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:89: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:91: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:93: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:95: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:97: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:99: error: expected 
>> constructor, destructor, or type conversion before ‘extern’
>> /usr/local/include/octave-3.0.1/octave/quit.h:189: error: expected 
>> initializer before ‘void’
>> /usr/local/include/octave-3.0.1/octave/quit.h:190: error: expected 
>> initializer before ‘void’
>> /usr/local/include/octave-3.0.1/octave/quit.h:191: error: expected 
>> initializer before ‘void’
>> ... (a lot of other errors omitted for brevity)
>>
>> In file included from /usr/local/include/octave-3.0.1/octave/mx-ext.h:72,
>> from /usr/local/include/octave-3.0.1/octave/Matrix.h:33,
>> from OctavePackage.cpp:6:
>> /usr/local/include/octave-3.0.1/octave/CmplxQRP.h:33: error: function 
>> definition does not declare parameters
>> OctavePackage.cpp: In member function ‘virtual void 
>> OctavePackage::Experiment1()’:
>> OctavePackage.cpp:19: error: variable ‘Matrix m’ has initializer but 
>> incomplete type
>> OctavePackage.cpp:19: error: invalid use of incomplete type ‘struct 
>> Matrix’
>> /usr/local/include/octave-3.0.1/octave/MatrixType.h:27: error: 
>> forward declaration of ‘struct Matrix’
>> OctavePackage.cpp:19: warning: unused variable ‘m’
>> make: *** [OctavePackage.o] Error 1
>>
>> No virus found in this incoming message.
>> Checked by AVG - http://www.avg.com
>> Version: 8.0.138 / Virus Database: 270.5.4/1566 - Release Date: 
>> 7/22/2008 6:00 AM
>>
>>
>
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>
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