ASDF config file under Windows

[Robert Goldman]

I do like the idea of CLAD, but in this case isn't there a Catch-22? You 
need to configure ASDF in order to load CLAD, so you can't use CLAD to 
configure ASDF, can you?

On 3 Jun 2023, at 10:57, Marco Antoniotti wrote:

> Ahem.  Shameless plug: https://gitlab.common-lisp.net/mantoniotti/CLAD
>
> Cheers
>
> MA
>
>
> On Sat, Jun 3, 2023 at 5:28 PM Robert Goldman <rpgoldman at sift.info> 
> wrote:
>
>> Dear Greg,
>>
>> Thanks for the kind words! I am not sure why I didn't see your post 
>> on
>> ASDF-devel, but I didn't. And I have seen several requests for 
>> moderation,
>> so the list seems live. In case my response is interesting to the 
>> group, I
>> am responding to the list as well.
>>
>> A couple of disclaimers: (1) I haven't used Windows in more than a 
>> decade,
>> and (2) I don't use these configuration files. I find I'm happier to 
>> keep
>> all of my lisp configuration in lisp configuration files (clinit.cl,
>> .sbclrc, etc. -- indeed I point all of those at one single
>> lisp-config.lisp file), instead of having to hunt through multiple 
>> files
>> in multiple locations for this information. So take anything I say 
>> with
>> more than a grain of salt (given your cardiologist approves!).
>>
>> That said, these config files are placed according to the XDG 
>> standard
>> which... as far as I can tell only applies to linux, and not to 
>> either
>> Windows or MacOS. So there's code in ASDF/UIOP that extends XDG to 
>> other
>> platforms. ASDF documentation about XDG can be found here
>> <https://asdf.common-lisp.dev/asdf.html#XDG-base-directory> .
>>
>> I don't understand Windows enough to understand this piece of text 
>> from
>> the ASDF manual:
>>
>> Since support for querying the Windows registry is not possible to do 
>> in
>> reasonable amounts of portable Common Lisp code, ASDF 3 relies on the
>> environment variables that Windows usually exports, and are hopefully 
>> in
>> synch with the Windows registry. If you care about the details, see
>> uiop/configuration.lisp and don’t hesitate to suggest improvements.
>>
>> The relevant code may be found in uiop/configuration.lisp
>> <https://gitlab.common-lisp.net/asdf/asdf/-/blob/release/uiop/configuration.lisp> 
>> .
>> It looks like invoking the functions uiop:xdg-config-home and
>> uiop:xdg-config-pathnames might help you figure out where ASDF is
>> looking. But I don't really understand the discussion about the 
>> registry
>> above. I do see a bit of code that says that UIOP (and thus ASDF) 
>> look for
>> configs in the value of (uiop:xdg-data-dirs "config/") -- maybe see 
>> what
>> that evaluates to on your Windows box?
>>
>> I hope that these snippets have been helpful, and if you find the 
>> answers
>> you seek, please send to me and ASDF-devel, so that the information 
>> will be
>> available to others.
>>
>> It might be a good thing if someone with the resources would gift a
>> Windows resource to the CL Foundation to hook into common-lisp.net so
>> that the community doesn't have to rely on this kind of guesswork. I 
>> note
>> that ASDF is no longer tested on Windows at all, since I don't have 
>> access
>> to a Windows VM and even if I did, I wouldn't know how to use it (nor 
>> do I
>> have the time to learn).
>>
>> Good luck!
>> R
>>
>> On 2 Jun 2023, at 19:40, Greg Bennett wrote:
>>
>> Good evening Robert,
>>
>> Some longish time ago you were kind enough to help me with ASDF 
>> matters.
>> I posted recently to asdf-devel, largely in the hope that you might 
>> see
>> it, I confess.
>>
>> Web search has, so far, not been helpful, I'm afraid.
>>
>> I shall quite understand if you do not reply; your inbox must receive 
>> lots
>> of this sort of thing.
>>
>> I have a test system in c:/ASDF/asdf-tests/ copied from the linux
>> directory /home/gwbennett/ASDF/asdf-tests/
>>
>> Under Linux in my source-registry.conf.d directory I have the file
>> gb-source.conf
>> with the one line (:tree "/home/gwbennett/ASDF/asdf-tests/")
>>
>> Then in sbcl I can issue (asdf:load-system "gb-a") and all is well.
>>
>> I have tried various spots for gb-source.conf under Windows, all 
>> without
>> success:
>>
>> c:\Users\Greg\AppData\Local\config\common-lisp\source-registry.conf.d\
>>
>> c:\Users\Greg\
>>
>> c:\Users\Greg\AppData\
>>
>> c:\Users\Greg\AppData\Local\
>>
>> If I issue, old style,  (push "c:/ASDF/asdf-tests/"
>> asdf:*central-registry*) then all is well.
>>
>> Perhaps there is no place for a config file under W!
>>
>> Cheers
>>
>> Greg
>>
>>
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