default_variants per platform

[Anders F Björklund]

Ryan Schmidt wrote:

>> I tried the most straight-forward approach, wrapping
>> default_variants in platform, but it didn't work...
>
> It should be possible. Off the top of my head:
>
> platform macosx {
> 	default_variants +aqua
> }
>
> platform puredarwin {
> 	default_variants +x11
> }

This was the setting that didn't work that I mentioned,
as it didn't pick up anything from the aqua variant ?

>> I also seemed to have the misguided notion that the
>> default variants would somehow go away when actually
>> providing some variants ? Not so, I had to give an
>> explicit "+x11 -aqua" to get rid of the defaults...
>
> I noticed that too. See my solution in the e.g. the minivmac portfile:
>
> if { ![variant_isset mac128k] && ![variant_isset mac512k] && 
> ![variant_isset mac512ke] && ![variant_isset macse] } {
> 	default_variants +macplus
> }
>
> It gives you the default variant only if you have not already selected 
> another variant.

OK, a bit longwinded but I guess it'll do too...
The archive got a "+macosx+aqua", but that's OK.

--anders