Hi André, Yes, Im using X11.. In the meanwhile I've installed every GL package I found at Cygwin setup incl. libGL-devel and libGL1 but I still get the error :-/ do I have to manual install this libs? I just run cygwin setup process -- View this message in context: http://old.nabble.com/OpenGL-under-Cygwin-with-GtkGlExt-tp30000118p30002045.html Sent from the Cygwin list mailing list archive at Nabble.com.
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