platform

[Sterling Smith]

On Oct 28, 2015, at 2:13PM, Joshua Root <jmr at macports.org> wrote:

> On 2015-10-29 06:02 , David Strubbe wrote:
>> Hi all,
>> 
>> Can someone explain what the meaning of the possible values of the
>> 'platforms' variable are in a Portfile? Most ports seem to list 'darwin'
>> but I have seen some that say 'macosx' or even 'puredarwin'. I
>> understand the meaning of clearly different operating system
>> designations such as freebsd, linux, sunos, netbsd. But what is the
>> meaning of these similar 'darwin' and 'macosx' labels? The guide is not
>> very illuminating on this point.
> 
> Puredarwin is an OS based on Apple's open source Darwin releases and
> doesn't include any of Apple's proprietary bits. Whereas 'macosx' is
> what most of us use, OS X. Darwin in this context is the union of
> puredarwin and macosx (i.e. in 'platforms' it means the port will work
> on both of them, and in 'platform' statements the body will be executed
> on both of them).
> 
> Cf. the os.platform and os.subplatform variables.
> 
> - Josh
Is platforms required?  It seems like there is some ambiguity.  Should I put macosx, because I have tried it there?  Or should I put all platforms and then when someone reports that it broke on their system, I can indicate all other systems where it hasn’t yet broken?

-Sterling

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