On 2015-03-09 12:30, Clemens Lang wrote:
>
>> Are there stats what percentage of the current ports build without Xcode
>> installed? I have a hunch you'll find that a good part do depend on the SDK
>> if
>> not only because Qt (and presumable GTk{2,3}) use CoreFoundation and Carbon
>> ...
>
> No, there are no stats, simply because we don't know. Personal experience says
> almost all of my ports built without Xcode when upgrading to Yosemite, where I
> did not install Xcode on purpose to test exactly that.
>
> Considering homebrew does not require Xcode, that's exactly what I would have
> expected as well.
My idea would be to have a new type of dependency to declare a port
needs Xcode or a specific SDK. Something like this:
depends_build tool:xcode
>> So maybe it could (should) be part of the project to figure out during port
>> development whether a port requires Xcode? (because I presume most port
>> developers will have it installed and thus cannot easily do the obvious
>> test).
>
> That's exactly where trace mode comes into play. It should be used during
> development to see if the port builds without Xcode present (by actually
> hiding
> the files shipped with Xcode).
And if it is required, it should then propose to add the required
dependency.
Rainer
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