Re: Building PyTave on windows - cygwin

[address@hidden]

--- mtmiller> On Tue, Jun 28, 2016 at 02:03:19 +0530, Abhinav Tripathi wrote:
> > Hi,
> > I was resuming trying to build pytave on windows. As suggested by Tatsuro,
> > I built 32 bit binaries for boost and just used Python27 downloaded from
> > official python site.
> > After some tweaking (thanks to the config logs) I finally got to the last
> > step of ./configure.
> > I am getting the error that *linking to octave failed*...
> > I have export LDFLAGS='-L/e/boost_1_61_0/stage/lib -L/e/octave_dev/lib32
> > -L/e/octave_dev/lib/octave/4.1.0+'
> > I tried exporting /e/octave_dev/lib but it gave errors so I exported
> > /e/octave_dev/lib32 instead... It solved some problems but still I get some
> > errors regarding undefined references!
> > .
> > In /e/octave_dev/lib/octave/4.1.0+ there are 3 files ending in '.dll.a'...
> > I even copied them and renamed the copies to end in '*.a' instead of
> > '*.dll.a' but still the same error.
> > The log says:
> > -----------------------------------------------------------------------------------------------------------------------------------------
> > configure:5260: g++ -std=gnu++11 -o conftest.exe -g -O2
> > -IE:\octave_dev\include\octave-4.1.0+
> > -IE:\octave_dev\include\octave-4.1.0+/octave -I/e/boost_1_61_0
> > -I/e/octave_dev/include/octave-4.1.0+
> > -I/e/octave_dev/include/octave-4.1.0+/octave
> > -LE:\octave_dev\lib\octave\4.1.0+ -L/e/boost_1_61_0/stage/lib
> > -L/e/octave_dev/lib32 -L/e/octave_dev/lib/octave/4.1.0+ conftest.cpp
> > -loctinterp -loctave  >&5
> > C:\Users\ABHINA~1\AppData\Local\Temp\ccDCXdjd.o: In function `main':
> > e:\My_Repos\pytave/conftest.cpp:15: undefined reference to
> > `MatrixType::MatrixType()'
> > e:\My_Repos\pytave/conftest.cpp:15: undefined reference to
> > `MatrixType::~MatrixType()'
> > collect2.exe: error: ld returned 1 exit status
> > configure:5260: $? = 1
> > configure: failed program was:
> > | /* confdefs.h */
> > | #define PACKAGE_NAME "pytave"
> > | #define PACKAGE_TARNAME "pytave"
> > | #define PACKAGE_VERSION "dev"
> > | #define PACKAGE_STRING "pytave dev"
> > | #define PACKAGE_BUGREPORT "https://bitbucket.org/mtmiller/pytave/issues";
> > | #define PACKAGE_URL ""
> > | /* end confdefs.h.  */
> > | #include <octave/oct.h>
> > | #include <octave/Matrix.h>
> > | int
> > | main ()
> > | {
> > | MatrixType()
> > |   ;
> > |   return 0;
> > | }
> > configure:5280: result: no
> > configure:5303: WARNING:
> > ========================================================================
> > Can not link with Octave.
> > 
> > Make sure the Octave development package is installed.
> > ========================================================================
> > configure:5339: error: in `/e/My_Repos/pytave':
> > configure:5341: error: unable to find Octave development files
> > 
> > -----------------------------------------------------------------------------------------------------------------------------------------
> > .
> > .
> > What libraries do I need to build the above program?
> 
> The MatrixType constructor and destructor should be defined in
> liboctave, which is on the displayed command-line above.
> 
> I've lost track of whether octave_dev was built with --enable-windows-64
> or not, and I don't know what the lib32 directory is. I also don't know
> how .dll.a and .dll libraries interact on Windows.
> 
> Can you try copying that test program and building it in some temporary
> directory with
> 
>   /e/octave_dev/bin/mkoctfile --link-stand-alone --verbose foo.cc
> 
You need 32bit octave dev.
I will upload 7zip archive when I reach my room at university.

You also need 32bit python. Did you install it?

Tatsuro