Re: Octave GUI MinGW first light & need help.

[David Bateman]

Sebastien Loisel wrote:

> David,
>
> Ok, I could track this down but it's probably easier for you. My 
> tarball is here: 
> http://www.cs.mcgill.ca/~mtakan1/octave-gui-beta.tar.gz 
> <http://www.cs.mcgill.ca/%7Emtakan1/octave-gui-beta.tar.gz> (about 
> 300KB.)
>
> Basically, it goes into octave_main() and returns 1. What I need to 
> know is why? Can you tell me what the failure is?
>
> Things you should know:
>
> 1) This is a Windows app. So it doesn't have an stdout and stderr. 
> Apologies for the added debugging difficulties.
>
> 2) Therefore, I stick the return value of octave_main() and the argc, 
> argv into some global variables. When the gui comes up, I print those 
> global variables in the output tab. So you can see exactly what the 
> parameters to octave_main() are and that it returns 1.
>
> 3) Trolltech decided, in its infinite wisdom, that they weren't going 
> to play game with msys. Therefore, it is not possible to do make if 
> msys is in the path. Therefore, when you want to *build*, you have to 
> open a clean cmd.exe and add *only* c:\octave\MinGW\bin to its path, 
> nothing else. Then you type make. This is summarized in compileenv.bat.
>
> Warning: Don't try to use qmake. It'll fubar everything.


Ok, here I have a problem. Firstly the install of QT4 stated that it 
couldn't find MinGW when it was clearly there. Then I had to copy 
mingw32-make.exe to make.exe, while msys' installer explicitly stated 
that this is a bad idea. Finally I had to take msys' /bin/sh.exe. Then I 
still get an error as sh.exe is looking for the msys dll... What shell 
did you use if not msys' one?

> 4) On the other hand, when you run octave-gui.exe presumably you'll 
> need the environment to be set up as with octave.exe. So I made an 
> octave-gui.bat by copying your octave.bat and changing the executable. 
> Since it will munge your environment, I usually start it from the 
> windows explorer (file manager), not from the prompt.
>
> Let me know,
>
> Sébastien Loisel


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