Re: Building PyTave on windows - cygwin

[Tatsuro MATSUOKA]

----- Original Message -----

> From: Tatsuro MATSUOKA 
 To: Abhinav Tripathi  "mtmiller
> Cc: "Octave-maintainers> Date: 2016/6/20, Mon 07:33
> Subject: Re: Building PyTave on windows - cygwin
> 
> ----- Original Message -----
>> From: Abhinav Tripathi 
>> To: mtmiller tmacchant 
>> Cc:address@hidden
>> Date: 2016/6/20, Mon 03:42
>> Subject: Re: Building PyTave on windows - cygwin
>> 
>> 
>> Hi, 
>> I resumed building pytave on windows.
>> This time I opened the octave-cli and did 'system bash'.
>> Now when I do './configure' then I always get 
>> 'Can not link with octave'
>> . 
>> All the other output is same as before (and correct) including octave 
> library and include paths.
>> But I tried both 'octave-cli.exe' and 
> 'octave-cli-4.1.0+.exe' (both with and without administrator privilege) 
> but I get the same result.
>> .
>> Also, if I add CCFLAGS to the start of the command then I get the error that 
> c++ compiler cannot create executables!!! 
>> .
>> Also, I tried 'pacman', 'apt-get', 'yum' but there 
> seems to be nothing like these on octave bash shell.
>> How do I install a library/package then? 
>> .
>> 
> 
> 
> You need add msys2 path and also use msys2 tools from bash shell on octave.
> 
> #octave prompt
> cd (build directory path) #build directory
> system bash #goto bash
> 
> #bash prompt
> 
> export PATH=$PATH:/c/msys64/usr/bin # enable use tools on msys2.
> 
> 
>> Also, I tried 'pacman', 'apt-get', 'yum' but there 
> seems to be nothing like these on octave bash shell.
>> How do I install a library/package then? 
> 
> 
> There is no such system on *native* windows. Each application has its own 
> installer.
> The msys2 is an exception. That is a tool which provide many applications and 
> libraries 
> through pacman package manager.
> 
> However, octave-4.1.0+ is built with gcc-4.9.3 with win32 thread model 
> while applications and libraries build with gcc-5.4.0 with posix tread model.
> In principle, there is compatibility problem of shared libraries of C and C++ 
> so that we cannot use libraries on msys2.
> 
> Yesterday I consulted pytave web site and cloned source code.
> 
> You have to build python2 and boost using gcc-4.9.3 embedded with 
> octave-4.1.0+ 
> on windows.
> 
> For, python2 there is a possibility to use windows binaries on python web 
> site 
> because it has a *static library* "libpython27.a" for mingw compiler 
> while python binary seems to be build with Microsoft compiler.
> To install python2 binary, go to the python web site and download python 2.7 
> binaries for 64 bit.
> 
> For boost, there seems to be no other way build by yourself and seem to be 
> different from 
> build on unix.
> 
> Tatsuro


Now I am trying to build boost using gcc embedded on octave with assistance 
with msys2.
If I will be able to get successful results, I will report here.

Tatsuro