> I see, but now we’re creating a directory that remains empty, and as I
 > wrote, chez-fmt is actually installed in another directory anyway:

Oh yikes! Yeah so I see half of the scheme libraries are installed in 
lib/csv-site and other are installed in lib/csv<version>-site. It 
appears that there was a missing make flag for scheme-fmt and several 
others. Attached is an updated patch that fixes that.

On 8/31/20 3:56 PM, Ludovic Courtès wrote:
> Hi,
> 
> Martin Becze <mjbecze@riseup.net> skribis:
> 
>>> This is creating an empty directory, right?  Are you sure this helps?
>>
>> Yes, I think it solves the problem. On line 92 of the package
>> definition we have
>>
>> ```
>> (native-search-paths
>>       (list (search-path-specification
>>              (variable "CHEZSCHEMELIBDIRS")
>>              (files (list (string-append "lib/csv" version "-site"))))))
>> ```
>> search-path-specification won't set the environmental variable unless
>> the folder already exists. Note lib/csv<version> does exist at this
>> point but most libraries seem to want to live lib/csv<version>-site.
> 
> I see, but now we’re creating a directory that remains empty, and as I
> wrote, chez-fmt is actually installed in another directory anyway:
> 
>>> Isn’t the problem that packages like chez-fmt install libraries in
>>> ‘csv-site’ instead of ‘csv1.2.3-site’?
>>>
>>> --8<---------------cut here---------------start------------->8---
>>> $ find $(./pre-inst-env  guix build chez-fmt)
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/lib
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/lib/csv-site
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/lib/csv-site/fmt-js.so
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/lib/csv-site/fmt-c.so
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/lib/csv-site/fmt.so
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/share
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/share/doc
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/share/doc/chez-fmt-0.8.11
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/share/doc/chez-fmt-0.8.11/fmt.css
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/share/doc/chez-fmt-0.8.11/README
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/share/doc/chez-fmt-0.8.11/fmt.html
>>> /gnu/store/qr8mgphbivlqbdmn355kps2cxlmi679d-chez-fmt-0.8.11/share/doc/chez-fmt-0.8.11/VERSION
>>> --8<---------------cut here---------------end--------------->8---
> 
> So perhaps the search path should be just lib/csv-site?  Is that
> consistent across Chez packages?
> 
> Thanks,
> Ludo’.
>