Encouraging ports to include use_parallel_build

[Neil]

On Sat, Dec 20, 2008 at 7:34 AM, O <illogical1 at gmail.com> wrote:
> On Sat, Dec 20, 2008 at 2:18 AM, Ryan Schmidt <ryandesign at macports.org> wrote:
>> Of our 5256 ports, 326 (6.2%) indicate they can build in parallel, and 33
>> (0.6%) indicate that they cannot. That leaves 4897 ports (93.1%) which do
>> not indicate whether a parallel build is possible or not, and in this case,
>> MacPorts will assume a parallel build is not possible.
>>
>> I would like to encourage port authors to indicate in their portfiles
>> whether parallel building is possible or not. I'm considering whether we
>> should add a check for this to "port lint". Hypothetical output:
>>
>>
>> $ port lint giflib
>> --->  Verifying Portfile for giflib
>> Warning: Consider adding use_parallel_build
>> --->  0 errors and 1 warnings found.
>> $
>>
> +1
+1
Total: +2