[Bug-gnubg] Building gnubg on Windows

[Petr Kadlec]

Hi!

I was thinking about trying some ideas in gnubg, so I wanted to build it 
from source (under Windows, my Linux system is a bit out of order now...). 
I presume you use mingw compiler to build it, but I tried MSVC++. I have 
found some small problems with portability, but I was able to fix those. 
(Is anyone interested in seeing the neccessary changes?) The build seems to 
work, with some problems, so I would like to ask for a bit of advice:
1. When I click Hint/OK, the debug version fails on assert in free(), 
called from GTK (via gtk_destroy_widget called on pwHint). Is this my 
fault, or a problem in the gnubg? (I never worked with GTK, so I do not 
want to hunt that.)
2. When I calibrated the speed, it was slightly worse than the public 
build. So I tried to change the configuration so that it uses fastcall 
calling convention (parameters via registers), but I failed -- because of 
callback functions. I have tried to declare the functions that are used as 
callbacks (e.g. in qsort) as cdecl (using a preprocessor symbol, of 
course). But, GTK uses callbacks (like GtkDestroyNotify) without any 
calling convention specification. So that I gave up, I didn't have the 
energy to fix all these. And I am curious -- isn't there some standard way 
how this could be solved?

Thanks,
Petr Kadlec

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