1. The wgl* functions are defined in windows.pas
2. PGLubyte is defined in gl.pas which is included by glu.pas, so I dont understand why you get error about missing identifier.
3. Window not showing. Not enough data . Post some code and we will take a look.
4. I will repeat my suggestion to put JEDI_SDL units you use, in one directory. Just for testing.
5. As others suggested try Lazarus instead of dev-Pascal.
Good Luck :!:
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