Re: [Bf-committers] CMake version bump for blender2.8

2017-08-31 Thread Campbell Barton
On Thu, Aug 31, 2017 at 8:56 PM, Dalai Felinto  wrote:
> A small update here, to build cmake is really straightforward. I got
> Blender 2.8 to build in 14.04 with no further complications.
> So if we rule this Ubuntu as an too-old to maintain OS, it's all good,
> and my original email can just be ignored.

Their per-compiled binaries worked well too last I checked.

>> Switching to CMake 3.x would be nice since (...)
>
> Blender 2.8 switched for it already.

Right, I should have said switched *master* - changing lib linking
touches nearly all cmake files, I'd rather not cause unnecessary
conflicts.
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Re: [Bf-committers] CMake version bump for blender2.8

2017-08-31 Thread Dalai Felinto
A small update here, to build cmake is really straightforward. I got
Blender 2.8 to build in 14.04 with no further complications.
So if we rule this Ubuntu as an too-old to maintain OS, it's all good,
and my original email can just be ignored.

> Switching to CMake 3.x would be nice since (...)

Blender 2.8 switched for it already.
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Re: [Bf-committers] CMake version bump for blender2.8

2017-08-31 Thread Campbell Barton
From memory, rule of thumb for Linux support has been to compile on
latest releases of major (top ~5 so) Linux distors.
Supporting the latest Ubuntu LTS is nice too.

Switching to CMake 3.x would be nice since it allows us to remove the
dreaded "BLENDER_SORTED_LIBS".

On Thu, Aug 31, 2017 at 6:38 PM, Dalai Felinto  wrote:
> Hi,
>
> Ubuntu 14.04 is "stuck" with CMake 2.8. It's a LTS so they won't
> upgrade their CMake. And it's still quite inside our 5 year support
> goal.
> What exactly do we need from CMake 3.x? If we really need CMake 3.0,
> can we at least update install_deps.sh to handle cmake as well?
>
> Regards,
> Dalai
> --
> blendernetwork.org/dalai-felinto
> www.dalaifelinto.com
>
>
> 2017-08-20 17:02 GMT+02:00 Jörg Müller :
>> Hi everyone,
>>
>> a discussion about our cmake version has started after I merged audaspace
>> into blender2.8. Audaspace requires cmake 3.0 as opposed to blender's main
>> cmake file which so far requires cmake 2.8.
>>
>> Now since a version bump has been in discussion already a year ago according
>> to Campbell, we think this is a good time to actually do it. Last time it
>> was postponed because Debian was not ready. So now I had a look at the
>> current versions of cmake in the major distributions [1]:
>>
>> ubuntu (17.04) - 3.7.2
>> ubuntu LTS (16.04) - 3.5.1
>> debian (stable) - 3.7.2
>> opensuse (42.3) - 3.5.2
>> fedora (F26) - 3.8.2
>> pclinuxos - 3.7.2
>> centos (6) - 2.8.12 (3.6.1 in EPEL)
>> arch - 3.8.2
>> mageia (6) - 3.7.2
>> slackware (14.2) - 3.5.2
>> gentoo - 3.7.2
>>
>> According to this list, pretty much everyone should be able to get at least
>> cmake 3.5 running. Therefore, I bumped the cmake version to 3.5 which allows
>> us to use newer cmake features now.
>>
>> Cheers,
>> Jörg
>>
>> [1] https://pkgs.org/download/cmake
>>
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-- 
- Campbell
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Re: [Bf-committers] CMake version bump for blender2.8

2017-08-31 Thread Bastien Montagne

Hi,

I don’t see why we'd make install_deps also handle custom installation 
of cmake! This is turning a bit (a lot) ridiculous.


CMake 3.0 is **three** years old alreay! I remember we were switching to 
recent versions of CMake much, much more quickly back in the days of 
CMake 2.8 area, as soon as we needed the update, never has been an issue 
then.


And am pretty sure our 5 years old support is meant for hardware, not 
software - especially not compiling/building software! Because 
otherwise, you'd also might ask our current code to support 5 years old 
libraries… this is going pretty much nowhere. Software changes at least 
twice quicker than hardware.


Further more, this is purely a *building* dependency, not a running one. 
Am starting to be a bit tired of getting stuck to years old tools, or 
having to handle their installation ourself (and maintain stupid script 
for way too much distros). Doing that for libraries is already a pain. 
If you do not have the basic minimal knowledge of compiling, to the 
point you are not even able to install modern building tools on the 
purposedly deprecated OS you are using, then by all means, download our 
builds from the buildbot! Sergey spends a lot of time ensuring those 
binaries work on any distro, even rather old ones. Let’s not spend more 
time trying to pretend building a program can be as easy as installing a 
binary package.


So to summarize: I do not understand the issue here.

Cheers,
Bastien

Le 31/08/2017 à 10:38, Dalai Felinto a écrit :

Hi,

Ubuntu 14.04 is "stuck" with CMake 2.8. It's a LTS so they won't
upgrade their CMake. And it's still quite inside our 5 year support
goal.
What exactly do we need from CMake 3.x? If we really need CMake 3.0,
can we at least update install_deps.sh to handle cmake as well?

Regards,
Dalai
--
blendernetwork.org/dalai-felinto
www.dalaifelinto.com


2017-08-20 17:02 GMT+02:00 Jörg Müller :

Hi everyone,

a discussion about our cmake version has started after I merged audaspace
into blender2.8. Audaspace requires cmake 3.0 as opposed to blender's main
cmake file which so far requires cmake 2.8.

Now since a version bump has been in discussion already a year ago according
to Campbell, we think this is a good time to actually do it. Last time it
was postponed because Debian was not ready. So now I had a look at the
current versions of cmake in the major distributions [1]:

ubuntu (17.04) - 3.7.2
ubuntu LTS (16.04) - 3.5.1
debian (stable) - 3.7.2
opensuse (42.3) - 3.5.2
fedora (F26) - 3.8.2
pclinuxos - 3.7.2
centos (6) - 2.8.12 (3.6.1 in EPEL)
arch - 3.8.2
mageia (6) - 3.7.2
slackware (14.2) - 3.5.2
gentoo - 3.7.2

According to this list, pretty much everyone should be able to get at least
cmake 3.5 running. Therefore, I bumped the cmake version to 3.5 which allows
us to use newer cmake features now.

Cheers,
Jörg

[1] https://pkgs.org/download/cmake

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Re: [Bf-committers] CMake version bump for blender2.8

2017-08-31 Thread Dalai Felinto
Hi,

Ubuntu 14.04 is "stuck" with CMake 2.8. It's a LTS so they won't
upgrade their CMake. And it's still quite inside our 5 year support
goal.
What exactly do we need from CMake 3.x? If we really need CMake 3.0,
can we at least update install_deps.sh to handle cmake as well?

Regards,
Dalai
--
blendernetwork.org/dalai-felinto
www.dalaifelinto.com


2017-08-20 17:02 GMT+02:00 Jörg Müller :
> Hi everyone,
>
> a discussion about our cmake version has started after I merged audaspace
> into blender2.8. Audaspace requires cmake 3.0 as opposed to blender's main
> cmake file which so far requires cmake 2.8.
>
> Now since a version bump has been in discussion already a year ago according
> to Campbell, we think this is a good time to actually do it. Last time it
> was postponed because Debian was not ready. So now I had a look at the
> current versions of cmake in the major distributions [1]:
>
> ubuntu (17.04) - 3.7.2
> ubuntu LTS (16.04) - 3.5.1
> debian (stable) - 3.7.2
> opensuse (42.3) - 3.5.2
> fedora (F26) - 3.8.2
> pclinuxos - 3.7.2
> centos (6) - 2.8.12 (3.6.1 in EPEL)
> arch - 3.8.2
> mageia (6) - 3.7.2
> slackware (14.2) - 3.5.2
> gentoo - 3.7.2
>
> According to this list, pretty much everyone should be able to get at least
> cmake 3.5 running. Therefore, I bumped the cmake version to 3.5 which allows
> us to use newer cmake features now.
>
> Cheers,
> Jörg
>
> [1] https://pkgs.org/download/cmake
>
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