[Mingw-users] Cannot run nehe01 under gdb

[Mikko Lehtonen <scoopr@xxxxxx>]

  Hi,

I have this rather peculiar problem. I compiled NeHe's OpenGL sample
code in mingw (available from
http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=01), Took the
visualc++ version and just made a Makefile for compiling it with
mingw32-make (and commented out #include <GL\glaux.h> as it was not
needed and not available), you can get this version from here
http://scoopr.osaa.fi/nehe01_mingw.zip

Now the compiled exe works just fine, but when I run it under gdb, I get
this

Program received signal SIGSEGV, Segmentation fault.
0x01ff1ee9 in atioglx2!DrvValidateVersion ()
   from C:\WINDOWS\system32\atioglx2.dll
(gdb) bt
#0  0x01ff1ee9 in atioglx2!DrvValidateVersion ()
   from C:\WINDOWS\system32\atioglx2.dll
#1  0x021aa640 in atioglx2!atiPPHSN () from C:\WINDOWS\system32\atioglx2.dll
#2  0x02390070 in ?? ()
#3  0x02390070 in ?? ()
#4  0x0022eb98 in ?? ()
#5  0x01ff208b in atioglx2!DrvValidateVersion ()
   from C:\WINDOWS\system32\atioglx2.dll
#6  0x00000000 in ?? ()
(gdb)

When stepping through code, it is specifically the call to
ChoosePixelFormat that bombs.
This naturally works just fine in visual studio.

I have no clue how to try to resolve this issue. Is the ATI driver at
fault (I wouldn't be surprised) or gdb, or win32api? Rather surprisingly
I found nothing googling, making me blame some combination of these. Or
am I just doing something wrong?


I have mingw-5.1.3, gcc 3.4.5, gdb 6.7.5



--
Mikko Lehtonen






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