[Bf-committers] with_system_glew / gles options on linux.
Brecht Van Lommel
brechtvanlommel at pandora.be
Sun Sep 3 02:17:13 CEST 2017
Correction: I meant that the default should be OFF.
On Fri, Sep 1, 2017 at 8:38 PM, Brecht Van Lommel <
brechtvanlommel at pandora.be> wrote:
> I also ran into this issue building Blender 2.8 on Ubuntu 16.04.
> Defaulting to ON seems indeed better to me, Linux distribution packages
> that want it OFF can still do that.
> On Thu, Aug 31, 2017 at 3:19 PM, Ray Molenkamp <ray at lazydodo.com> wrote:
>> Not my regular platform, but I tend to help out the odd user with linux
>> building errors, and this
>> one comes up rather frequently
>> In our cmakelist.txt we have an exception for linux that sets
>> option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the
>> operating system" ON)
>> option(WITH_SYSTEM_GLES "Use OpenGL ES library provided by the operating
>> system" ON)
>> compared to all other platforms where it is off.
>> I couldn't find a justification for it, but why are these options (unlike
>> all other
>> WITH_SYSTEM_* options even on linux ) ON by default? Especially glew
>> seems to be
>> problematic, even more so for blender 2.8 where we can't figure out if
>> it's glew 1 or 2
>> at compile time so there's a runtime check in the final binary that'll
>> prevent code
>> compiled against 1.x from running.
>> We ship with a known good copy in our source tree, why not use it by
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>> Bf-committers at blender.org
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