private ports and pkgs versioning

[Matthew Seaman]

On 10/18/16 13:54, Mark Linimon wrote:
> On Tue, Oct 18, 2016 at 08:49:06AM +0100, Matthew Seaman wrote:
>> Yes, there is a lot of useful stuff in the ports tree to support local
>> ports or even whole local categories of ports.  I can't recall now how I
>> learned about all this stuff -- it may well have been just be a
>> combination of reading Makefiles and hints dropped on mailing lists.  I
>> cannot recall a document describing this stuff anywhere.
> 
> I don't believe that there is one.
> 
> I'm sure there are N locally-grown solutions out in the wild.
> 
> We ought to work together to poll people on what they use.
> 
> As for adding the category, I think there's a quick fix, if you don't
> care about building INDEX.  Add USE_LOCAL_MK=yes to your Makefile
> invocations, and use the patch below.
> 
> Note: I haven't tried this yet, so adding the category to ports/Makefile
> may also be necessary to pacify ports/Mk/bsd.port.subdir.mk (e.g. INDEX.)
> 
> Index: ports/Mk/bsd.local.mk
> ===================================================================
> --- ports/Mk/bsd.local.mk	(revision 423944)
> +++ ports/Mk/bsd.local.mk	(working copy)
> @@ -14,6 +14,8 @@
>  # time should live.
>  #
>  
> +VALID_CATEGORIES+= local
> +
>  .endif # !defined(_POSTMKINCLUDED) && !defined(Local_Pre_Include)
>  
>  .if defined(_POSTMKINCLUDED) && !defined(Local_Post_Include)
> 
> mcl
> 

In many places in the ports you can drop in a Makefile.local that gets
unconditionally included into the existing Makefile at that level.

There are several names that get treated similarly -- so you can have (I
think) Makefile.amd64 which is only included when compiling for that
architecture.  The idea being if you add a whole new file, you won't get
merge conflicts when updating from SVN.  There's a Makefile.inc that
goes one level above that gets included similarly.

Unfortunately it looks like this doesn't apply at the very top level of
the ports, otherwise this would be a really easy way of adding a custom
category.

Hmmm... looks like this is handled in the 30 or so lines starting at
line 1179 of bsd.port.mk

	Cheers,

	Matthew


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