[PyKDE] PyQt 3.1, Win2000, and MSVC runtime library

[Phil Thompson]

Paul Felix wrote:
> 
> Hi,
> 
> I want to pass on a fix I made to the Windows build of PyQt/Sip 3.1 using
> MS VC++.
> 
> My build configuration is as follows:
> 
>   NT 4.0 SP 5
>   VC++ 6.0 SP 5
>   PyQt/Sip 3.1
>   Qt 3.0.3
>   Python 2.2.0
> 
> After building PyQt, I was able to run the PyQt examples on my NT 4.0 box, but
> when I ran the examples on a Win2000 box, they crashed at various times (most
> often when exiting the app).  Here is the Win2000 configuration I tested:
> 
>   Windows 2000 Professional
>   5.0.2195 SP 2
> 
> While investigating, I noticed that the build was mixing static (MT) and DLL
> (MD) versions of the C runtime library:
> 
>   Package     C runtime option
>   -------     ----------------
>   Python         -MD
>   Qt             -MD
>   PyQt/Sip       -MT
> 
> This is a no-no according to our friends at Microsoft:
> 
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccore98/HTML/_core_.2f.md.2c_2f.ml.2c_2f.mt.2c_2f.ld.asp
> 
> I went back to the PyQt/Sip build and changed the Makefile.win32-msvc files,
> replacing -MT with -MD.  Now the examples run fine for me on both NT 4.0 and
> Win2000.
> 
> This is a head scratcher, because I know some of you are running on Win2000
> without problems -- maybe you made this fix too.

Thanks.

The origin of this seems to be a bug in tmake.

Phil