[11796] fixed auctex devel variant

[Ryan Schmidt]

On Apr 21, 2007, at 03:13, Ryan Schmidt wrote:

> On Apr 18, 2007, at 15:20, Dominik Fisch wrote:
>
>> I've opened ticket #11796 to describe the build problem I  
>> experienced while
>> trying to build auctex development variant. After playing around a  
>> bit I found
>> the problem within the Portfile and submitted a patch.
>>
>> http://trac.macports.org/projects/macports/ticket/11796
>>
>> Review and commit, anyone? ;-)
>
> I'm concerned by the proposed patch, as it seems to indicate a  
> deficiency in the base MacPorts system. For those who haven't  
> looked at the ticket, the reported error is:
>
> Error: Error executing devel: can't set "depends_lib": invalid  
> depspec:
> Error: Status 1 encountered during processing.
>
> And the proposed patch is:
>
> --- Portfile    (revision 24279)
> +++ Portfile    (working copy)
> @@ -23,8 +23,8 @@
> depends_lib    port:emacs
> depends_run    port:teTeX
> -variant devel  { depends_lib-delete port:emacs
> -                 depends_lib-append port:emacs-devel
> +variant devel  { depends_lib-append port:emacs-devel
> +                 depends_lib-delete port:emacs
>                 }
>
> In other words, apparently if you delete the last item of, for  
> example, depends_lib, using depends_lib-delete, then you cannot  
> depends_lib-append anymore. Or maybe the error already occurs when  
> deleting the last item of the list.
>
> Would any base developers care to comment on whether base should be  
> improved here instead of this portfile patch?

Someone committed the fix in the ticket. However, now we have the  
same problem reported against another port:

http://trac.macports.org/projects/macports/ticket/11819

I believe something is amiss in base. Someone who knows about base,  
please comment.