Hello,
I'm currently working on packaging common-lisp libraries. I am facing a
design question that I can't answer.
First : Where do we want the libraries installed ? I was going for
/usr/local/lib/common-lisp/{libfoo,libbar,libX} it looks that it's
done this way for python
Then, once it's installed, we need to tell the _multiple_ CL
implementations where to look for those libraries. There are multiple
ways :
- write a wrapper for each implementation binary which add a
CL_SOURCE_REGISTRY environment variable to /usr/local/lib/common-lisp/
- write for each implemtation a config file in
/etc/common-lisp/source-registry.conf.d/{sbcl,ecl,clisp}.conf with the
libraries path inside. We can have only one
/etc/common-lisp/source-registry.conf file but I'm not sure it will
play well with multiple implementations because we can't one which
package will install the file ?
- make a patch in each CL implementation to insert the path hardcoded
inside, which will require to keep the patchs up-to-date if there are
changes in the sources
I am not sure which way is the better one. Maybe patching each
implementation ?
The patch for lang/sbcl just looks like this, it's very easy :
("asdf" is the library which handle libraries, that we need to
patch. It's also embedded in ecl and clisp.)
--- contrib/asdf/asdf.lisp.orig Tue Nov 22 17:53:12 2016
+++ contrib/asdf/asdf.lisp Tue Nov 22 17:53:54 2016
@@ -3131,6 +3131,7 @@ after having found a .asd file? True by default.")
#+scl (:tree #p"file://modules/")))
(defun default-user-source-registry ()
`(:source-registry
+ (:tree "/usr/local/lib/common-lisp/")
(:tree (:home "common-lisp/"))
#+sbcl (:directory (:home ".sbcl/systems/"))
(:directory ,(xdg-data-home "common-lisp/systems/"))
Regards
