Re: Improve ASDF build system for Common Lisp libraries

[Guillaume Le Vaillant]

Pierre Neidhardt <mail@ambrevar.xyz> skribis:

> Guillaume Le Vaillant <glv@posteo.net> writes:
>
>> Actually, it looks like the files generated by the groveler can't be
>> removed. When doing '(asdf:load-system "osicat")', if these files are
>> not there cffi tries to generate them (and fails because the directory
>> is read-only).
>
> The .so needs to be kept, the rest can be removed:
>
> --8<---------------cut here---------------start------------->8---
> $ tree 
> /gnu/store/haz3msfmr9cnlnrfai29q5csinx8l5q3-sbcl-osicat-0.7.0-1.de0c18a/
> /gnu/store/haz3msfmr9cnlnrfai29q5csinx8l5q3-sbcl-osicat-0.7.0-1.de0c18a/
> ├── lib
> │   └── sbcl
> │       ├── osicat.asd
> │       ├── osicat--system.fasl
> │       └── posix
> │           └── libosicat.so
> ...
> --8<---------------cut here---------------end--------------->8---

When I remove the groveler-generated files (except the .so) from
'lib/sbcl/osicat/posix/' like so:

--8<---------------cut here---------------start------------->8---
/gnu/store/1cps5zbqgj9lm108lc57zah5ap0a7gbk-sbcl-osicat-0.7.0-1.de0c18a/lib
└── common-lisp
    └── sbcl
        └── osicat
            ├── posix
            │   ├── basic-unix.fasl
            │   ├── basic-unixint.fasl
            │   ├── early.fasl
            │   ├── libosicat.so
            │   ├── linux.fasl
            │   ├── misc.fasl
            │   ├── packages.fasl
            │   ├── unix.fasl
            │   ├── unixint.fasl
            │   └── wrappers.fasl
            ├── src
            │   ├── fd-streams.fasl
            │   ├── osicat.fasl
...
--8<---------------cut here---------------end--------------->8---

I get the following error:

--8<---------------cut here---------------start------------->8---
$ ./pre-inst-env guix environment --ad-hoc sbcl sbcl-osicat -- \
    sbcl --no-userinit --eval '(require :asdf)' \
         --eval '(asdf:load-system "osicat")'

...
ASDF could not load osicat because Error opening
#P"/gnu/store/...-sbcl-osicat-0.7.0-1.de0c18a/lib/common-lisp/sbcl/osicat/posix/basic-unixint__grovel.c":
Read-only file system.

debugger invoked on a SB-INT:SIMPLE-FILE-ERROR in thread #<THREAD "main
thread" RUNNING {10009F80D3}>: Error opening
#P"/gnu/store/...-sbcl-osicat-0.7.0-1.de0c18a/lib/common-lisp/sbcl/osicat/posix/basic-unixint__grovel.c":
Read-only file system
...
--8<---------------cut here---------------end--------------->8---

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