How to find default variants

[Jerry]

On Jul 5, 2014, at 8:17 PM, Ryan Schmidt <ryandesign at macports.org> wrote:

> 
> On Jul 5, 2014, at 7:54 PM, Jeremy Lavergne wrote:
> 
>> Port variants. It indicates which variants are on based on your variants.conf
> 
> ...and based on the port's defaults. For example:
> 
> 
> $ port variants xorg-libxcb
> xorg-libxcb has the variants:
>   docs: Install extra documentation
>   python25: Use python 2.5
>     * conflicts with python26 python27 python31 python32 python33
>   python26: Use python 2.6
>     * conflicts with python25 python27 python31 python32 python33
> [+]python27: Use python 2.7
>     * conflicts with python25 python26 python31 python32 python33
>   python31: Use python 3.1
>     * conflicts with python25 python26 python27 python32 python33
>   python32: Use python 3.2
>     * conflicts with python25 python26 python27 python31 python33
>   python33: Use python 3.3
>     * conflicts with python25 python26 python27 python31 python32
> (+)universal: Build for multiple architectures
> 
> 
> This shows the variants that are available in the xorg-libxcb port. Also, the "[+]" indicator next to the python27 variant means that the portfile turns that variant on by default, while the "(+)" indicator means I've requested that variant in my variants.conf file.
> 
Ok, thanks. I guess I didn't know how to interpret [] and ().
Jerry