d:\cpanrun\build\5-6-1\bin\perl.exe Build
lib\SDL\OpenGL\Cg.pm -> blib\lib\SDL\OpenGL\Cg.pm
lib/SDL/OpenGL/Cg.xs -> lib/SDL/Openerror building dll file from 'lib/SDL/OpenGL/Cg.c' at D:\cpanrun\build\5-6-1\site\lib/Module/Build/Platform/Windows.pm line 101, <File0000> line 762.
NMAKE : fatal error U1077: 'd:\cpanrun\build\5-6-1\bin\perl.exe' : return code '0x2'
Stop.