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From: Ken Brown <kbrown AT cornell DOT edu>
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Date: Sun, 6 May 2018 17:57:50 -0400
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On 5/6/2018 4:02 PM, Ken Brown wrote:
> 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

BTW, although the patch suffices to solve the immediate problem, I 
suspect that there may still be a lot of symbols in the various mesa 
DLLs that are exported in the autotools build but not in the meson 
build.  Indeed, there are quite a few 'noinst' libraries in Makefile.am 
files that are not listed in 'link_full' in the meson.build files.  If 
I'm not mistaken, such libraries will be linked with the --whole-archive 
option in the autotools build but not in the meson build.

en

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