Re: Building PyTave on windows - cygwin

[Tatsuro MATSUOKA]

> To: Abhinav Tripathi  Mike Miller  Colin Macdonald 
> Cc: "address@hidden" 
> Date: 2016/6/6, Mon 06:18
> Subject: Re: Building PyTave on windows - cygwin
> 
> --- ee130002001
>>  Hi,I started trying to build PyTave on windows. I used cygwin as I 
> didn't know about any alternatives.
>>  I had to install many packages at first (it was a fresh cygwin install)...
>>  My octave on windows was installed at "e:/octave-4.0.0/"
>>  .
>>  When I do: "./configure 
> OCTAVE_CONFIG=e:/octave-4.0.0/bin/octave-config.exe"
>>  I got that linking with octave was failed. And the setup showed that 
> "octave development packages" were not found.
>>  I change the address of config file with 
> "cygdrive/e/octave-4.0.0/bin/octave-config.exe" but got the same 
> result.
>>  .
>>  Then I installed "octave-devel" package using 
> "apt-cyg". On my 2G internet it took more than 3 hours and downloaded 
> tonnes of packages and even install octave in cygwin (/bin/octave).
>>  .
>>  So, now I gave '/bin/octave-config' as the config file. (Although I 
> think that I should not use this as octave is supposed to be installed on 
> windows and not cygwin).
>>  I still get the same error...
>>  .
>>  Any pointers as to how to proceed? Or any other methods to try this out 
> (except cygwin)?
>>  .
>>  I have pasted the whole configure output (which is nearly identical for all 
> 3 things that I tried)...:
>> 
>>  Abhinav address@hidden /cygdrive/e/My_Repos/pytave
>>  $ ./configure OCTAVE_CONFIG=/bin/octave-config
>>  checking for g++... g++
>>  checking whether the C++ compiler works... yes
>>  checking for C++ compiler default output file name... a.exe
>>  checking for suffix of executables... .exe
>>  checking whether we are cross compiling... no
>>  checking for suffix of object files... o
>>  checking whether we are using the GNU C++ compiler... yes
>>  checking whether g++ accepts -g... yes
>>  checking for g++ option to enable C++11 features... -std=gnu++11
>>  checking for gcc... gcc
>>  checking whether we are using the GNU C compiler... yes
>>  checking whether gcc accepts -g... yes
>>  checking for gcc option to enable C11 features... -std=gnu11
>>  checking how to run the C preprocessor... gcc -std=gnu11 -E
>>  checking for mkoctfile... mkoctfile
>>  checking for octave-config filename... specified /bin/octave-config
>>  checking for Octave library path... /usr/lib/octave/4.0.1
>>  checking for Octave include path... /usr/include/octave-4.0.1/octave
>>  checking whether linking to Octave works... no
>>  configure: WARNING:
>>  ========================================================================
>>  Can not link with Octave.
>> 
>>  Make sure the Octave development package is installed.
>>  ========================================================================
>>  configure: error: in `/cygdrive/e/My_Repos/pytave':
>>  configure: error: unable to find Octave development files
>>  See `config.log' for more details
>>  .
>> 
>> 
> On windows, there are two kind of octave. one is octave on *native* windows 
> and 
> octave on cygwin.
> Theoretically *native* octave can built by cygwin using cross compiling tools 
> but iirc noone succeed for that.
> 
> I have succeed to build octave native to windows using octave package itself 
> and 
> msys2.
> 
> http://octave.1599824.n4.nabble.com/Octave-build-on-windows-using-octave-binary-itself-tp4676652.html
> 
> perhaps you need python. it can be installed using msys2.
> 
> Tatsuro


Hello

I have misled the situation.

Please leave from cygwin.
The cygwin can be one of the solution but it is not easy.
What you want to do build Pytave for octave for *native* windows so that 
much better way exist.

First please update your octave for windows to 4.0.2 because 4.0.0 for windows 
is buggy.
Uninstall 4.0.0 first and install 4.0.2.
You can find octave 4.0.2 on https://ftp.gnu.org/gnu/octave/windows/


Follow the instruction for build octave on windows.
> http://octave.1599824.n4.nabble.com/Octave-build-on-windows-using-octave-binary-itself-tp4676652.html


First install Msys2 using information the above and update using information of 
msys2 in the above and below
https://sourceforge.net/p/msys2/wiki/MSYS2%20installation/

After update core and basic tools, install base-devel toolchain. 
pacman -S --needed base-devel msys/dos2unix 

If you need additional tools like mercurial execute the below from msys2 prompt.
$ pacman -S mercurial

After Msys2 installed, follow the instruction for building octave.
At the bash prompt
you can try the usual unixy way.

Octave itself uses msys but not msys2.
But for both , drive C:/ is treated as /c/.

HTH

Tatsuro