[asdf-devel] [cclan-list] How to depend on a system optionally?

Robert Goldman rpgoldman at sift.info
Mon Jul 20 19:10:41 UTC 2009

james anderson wrote:
> On 2009-05-18, at 14:55 , Nikodemus Siivola wrote:
>> 2009/5/18 Robert Goldman <rpgoldman at sift.info>:
>>> Tobias C. Rittweiler wrote:
>>>> I've read several times that it's a head ache to configure optional
>>>> dependencies with ASDF.
>>>> How true is that? Could we perhaps provide another clause
>>>> :OPTIONALLY-DEPEND-ON in DEFSYSTEM which would load a system only if
>>>> available?
>> Doesn't :WEAKLY-DEPENDS-ON do what you want?
> there is at least one more kind of dependency between two components:  
> "contingency".


Did this discussion ever go anywhere?

James, would it be possible for you to resend this email with the tables
given as a text attachment, rather than as inline text?  I don't know
about the rest of the list, but my client (Thunderbird) turned your
tables into complete and utter gibberish.


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