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Claus-Justus Heine authored
Properly check for the version of the gltools package in use: gltools-2.5 has glrGetPOV(), gltools-2.4 has not. gltools-2.5 require glRender() to be invoked with NULL arguments, gltools-2.4 breaks if this is done. Fix that mess.
Claus-Justus Heine authoredProperly check for the version of the gltools package in use: gltools-2.5 has glrGetPOV(), gltools-2.4 has not. gltools-2.5 require glRender() to be invoked with NULL arguments, gltools-2.4 breaks if this is done. Fix that mess.