Re: pure data lisp alsa errors

[Guillaume Le Vaillant <glv@posteo.net>]

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jgart <jgart@dismail.de> skribis:

> Hi Guixers,
>
> What may I be doing wrong below with this package?
>
> https://github.com/aartaka/cl-pure-data
>
> [...]
>
> ; compiling file "/gnu/store/c51kgnahficfjxhkkix5ykznfn6pw2lm-sbcl-cl-pure-data-0.0.1-0.848f2a3/share/common-lisp/sbcl/cl-pure-data/libpd.lisp" (written 01 JAN 1970 12:00:00 AM):
>
> ; wrote /gnu/store/c51kgnahficfjxhkkix5ykznfn6pw2lm-sbcl-cl-pure-data-0.0.1-0.848f2a3/lib/common-lisp/sbcl/cl-pure-data/libpd-tmpAAURSO1.fasl
> ; compilation finished in 0:00:00.143
> Unhandled CFFI:LOAD-FOREIGN-LIBRARY-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING
>                                                        {100B830113}>:
>   Unable to load foreign library (LIBPD).
>   Error opening shared object "libpd.so":
>   libpd.so: cannot open shared object file: No such file or directory.

You have to fix the paths to C libraries the CL package wants to load
using CFFI (usually defined in "cffi:define-foreign-library" forms).
For cl-pure-data, there's at least "libasound.so" in "alsa.lisp" and
"libpd.so" in "libpd.lisp".

For example, take a look at the "fix-paths" phase of the package
definition for sbcl-zstd.

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