On 4/29/2018 6:16 PM, Yaakov Selkowitz wrote: > On 2018-04-29 08:33, Marco Atzeri wrote: >> On 4/29/2018 11:25 AM, Lemures Lemniscati wrote: >>> On each systems, there appeared a dialog telling something like that: >>> >>>    The procedure entry point 'glBegin' could not be located in the >>>    dynamic link library 'cygOSMesa-8.dll' >> >> I would say that libOSMesa8 had a modification in the list of >> exported symbols in the last version. >> >> >> [TXT]    libOSMesa8-17.3.5-1    21-Feb-2018 09:50     267 >> [TXT]    libOSMesa8-17.3.8-1    05-Apr-2018 12:44     267 >> [TXT]    libOSMesa8-18.0.1-1    23-Apr-2018 07:35     267 >> >> I do not see  glBegin in the last cygOSMesa-8.dll of 18.0.1-1 >> So it seems there is an issue on the last libOSMesa8 package > > Indeed, investigating now. Yaakov, I don't know where your are in your investigation, but I think I found the problem. The attached patch to the mesa sources seems to fix it Ken