... update.
I bit the bullet and kludged up something like
(defparameter *stuff-dir* (and (asdf:find-system "stuff" nil)
(asdf:system-source-directory "stuff"))
It works for me.
The asdf:find-system is probably overkill, but better safe than sorry.
MA
On Sat, Dec 13, 2025 at 4:16 PM Marco Antoniotti <[email protected]>
wrote:
> Thanks but no.
>
> That would create a dependency from ASDF in the code.
>
> MA
>
>
>
> On Sat, Dec 13, 2025 at 1:50 PM Robert P. Goldman <[email protected]>
> wrote:
>
>> ASDF:SYSTEM-RELATIVE-PATHNAME is probably what you want
>> Sent from my iPhone
>>
>> > On Dec 13, 2025, at 06:11, Marco Antoniotti <[email protected]>
>> wrote:
>> >
>> >
>> > Hi
>> >
>> > I am getting old and I get confused.
>> >
>> > Here is the thing (a followup to the "wild" ASDF module question).
>> >
>> > I am writing something that will have, at run time, a variable
>> *the-directory-where-stuff-is*.
>> >
>> > Now, I want to initialize this variable automagically, with no
>> "outside" references. I thought I could do something like
>> >
>> > (defvar the-directory-where-stuff-is*
>> > (merge-pathnames (make-pathname :directory '(:relative "stuff")
>> > :name nil :type nil)
>> > (make-pathname :name nil :type nil
>> > :defaults *load-pathname*)))
>> >
>> > Alas, ASDF and other things may move the compiled file to a cache
>> folder, which, in the end misaligns *load-pathname* w.r.t. where "stuff"
>> actually is (and should be).
>> >
>> > This is something that build systems like cmake achieve with the notion
>> of "source", "install", etc folders.
>> >
>> > Any ideas, suggestions, incantations, workarounds, even at the ASDF
>> level to get this done?
>> >
>> > Thanks
>> >
>> >
>> > --
>> > Marco Antoniotti
>>
>>
>
> --
> Marco Antoniotti, Professor, Director tel. +39 - 02 64 48 79 01
> DISCo, University of Milan-Bicocca U14 2043 http://dcb.disco.unimib.it
> Viale Sarca 336
> I-20126 Milan (MI) ITALY
>
> REGAINS: https://regains.disco.unimib.it/
>
--
Marco Antoniotti, Professor, Director tel. +39 - 02 64 48 79 01
DISCo, University of Milan-Bicocca U14 2043 http://dcb.disco.unimib.it
Viale Sarca 336
I-20126 Milan (MI) ITALY
REGAINS: https://regains.disco.unimib.it/
