[Bf-committers] SCons build system future

[matmenu]

Exactly what Antony said. Nobody will care what the building system is, 
if it works out of the box. At the moment, it works perfect on Linux, 
but it's still not working flawlessly on windows for me and other 
friends. We made a little list of things that don't work properly:
- When using the cmake_full script, 2 modules fail to build in VS2013 
(blenderplayer-related).
- "cmake_full" script is not default.
- With Scons it is a one-line cmd that compiles a release-like build in 
one step. With cmake, following the wiki doc, we have to 1) Start the 
GUI and choose the folders 2) configure, change some parameters manually 
3)generate solutions, 4) open VS 5) switch from debug (default) to 
release 6) start the building process.
- Switching branches is a pain. Everytime we switch the branch, we have 
to 1)delete cache, 2)configure and add my cutom params manually agin 
(with scons, it was just added to the scons script) 3) generate solution 
etc... otherwise, not all files are taken into account (for example for 
object_nodes branch which has a lot of new files) and build fails. With 
scons, the git checkout was enough to have the branch-specific scons 
script and run the one-line again.
So I agree that the best experience on Linux is with Cmake, but on 
Windows, it's still far away from ideal. Maybe just because I don't know 
Cmake on windows well and the wiki doc is not adapted, but either it's 
in doc or scripts or both, there is still some things to do to make it a 
good switch. Fixing windows specific-bugs is already not funny, so it 
would be good to make the build process as easy as with scons.


Am 20/12/2015 um 16:37 schrieb Antony Riakiotakis:
> +1 to drop scons. It may be easy to setup for casual builders, but so
> is cmake, if we provide good defaults.
>
> On 20/12/2015, Thomas Dinges <blender at dingto.org> wrote:
>> I use SCons too, but I also use CMake from time to time, so it's not a
>> big deal to switch over.
>>
>> Therefore, I fully support removing SCons. Not sure we really need to
>> wait for 2.8x to do it though, imho it's fine to drop it now, we still
>> need 1-2 months before a new 2.7x release I guess, should be time enough
>> to communicate the change.
>>
>> Thomas
>>
>> Am 20.12.15 um 15:22 schrieb Mike Erwin:
>>> I use SCons but support the idea of having only one build system. Never
>>> had
>>> much luck building Blender with CMake but am willing to learn!
>>>
>>> -- Mike
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