Re: [cmake-developers] Drop support for older Xcode versions?

[Eric Wing]

On 2/6/16, Gregor Jasny via cmake-developers  wrote:
> Hello,
>
> I'd like to get your feedback on deprecating or dropping support for
> older Xcode versions. During changes on the Xcode generator it gets
> harder and harder to test against old and very old Xcode versions like 3
> and 4.
>
> Are there still users around for these versions of Xcode?
>
> PS: I'm talking here about the Xcode generator which creates Xcode
> projects, not the Makefile or Ninja generator.
>
> Thanks,
> Gregor
> --
>

I personally am not using them. My more serious problem is that the
Xcode projects being generated now are not keeping up with modern
Xcode and the features that need to be accessible/set. The reality of
Apple development is you must be on the latest stable Xcode if you
need to ship apps on the Mac or iOS Store, otherwise Apple can reject
your app. Their design philosophy, regardless if you agree with it or
not, is to build with the latest and build against backwards
compatibility deployment targets, not build with the oldest and pray
it will work with future changes that couldn't be predicted at the
time. Their platform, their rules.

So I'm all in favor of dropping legacy platforms if it means
ultimately helping make the Xcode generator work better for modern
Xcode. General rule of thumb for Apple development is support the
latest and -1 version. If you can do more, fine, but don't compromise
the recent stuff in order to achieve distant backwards compatibility.

-Eric
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Re: [cmake-developers] CMake 3.5 generation time

[Stephen Kelly]

Bartosz Kosiorek wrote:

> https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=0c97d32f

The relevant part of that patch (from the point of view of separating 
configure time code from generate time code) is the removal of the use of 
TotalTargets at generate time.

Mappings could be re-introduced in cmGlobalGenerator, maybe with names 
indicating that their purpose is faster searching, and separated between 
cmTargets and cmGeneratorTargets:

 TargetMap TargetSearchIndex;
 TargetMap ImportedTargetSearchIndex;
 GeneratorTargetMap GeneratorTargetSearchIndex;

Thanks,

Steve.


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Re: [cmake-developers] Review request: extract-cmMessenger branch

[Stephen Kelly]

Michael Scott wrote:

>> Yes. Did you have a close look at the commits? I'm not really sure they
>> are correct, and I wonder if you have any thoughts on the first one which
>> discusses interface?
> I went back and had a closer look at the major changes. I think on the
> whole the cmMessenger class is good and a clear improvement over the
> previous organisation, however I imagine in its current form it would be
> perhaps a bit tricky extending it for other environments (e.g.
> displaying messages as GUI modal notifications), which I understood to
> be one of the overall aims of the branch (correct me if I've
> misunderstood of course though).

The aim of the branch is only to extract the class. That allows the further 
work on it.

When it is extracted, it can be refactored with a virtual interface as you 
describe, and as is described in the 'cmMessenger: Extract from cmake class' 
commit.

Thanks,

Steve.


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[cmake-developers] Drop support for older Xcode versions?

[Gregor Jasny via cmake-developers]

Hello,

I'd like to get your feedback on deprecating or dropping support for
older Xcode versions. During changes on the Xcode generator it gets
harder and harder to test against old and very old Xcode versions like 3
and 4.

Are there still users around for these versions of Xcode?

PS: I'm talking here about the Xcode generator which creates Xcode
projects, not the Makefile or Ninja generator.

Thanks,
Gregor
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Re: [cmake-developers] Xcode generator is adding old attributes on .pbxproj

[Gregor Jasny via cmake-developers]

Hello,

some time ago I started a project to make the CMake generated pbxproj
identical to the one Xcode writes. Some patches of that effort are
already in master, some lack some cleanup.

It would be great working with you on individual patches to 'modernize'
generated pbxproj files. Patches would be a superb start.

Note: you could use the xcproj tool to ask Xcode to re-generate the
project by running "xcproj touch".

I also intend to work on generating schema directly from CMake but this
will take some time.

Thanks,
Gregor
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