[PATCH 0/12]: Add asdf-build-system.

[Andy Patterson]

Hello,

As promised, here's my work toward adding a build system for Common Lisp
software. I still have some issues with it as follows:

Getting things to work "out of the box": I'd like to set up an environment
variable to allow implementations to find installed libraries, but it's a bit
tricky:

Essentially I'd like to have, in each profile, a setup something like

export CL_SOURCE_FRAGMENT=#+sbcl \
  (:directory \"${GUIX_PROFILE}/share/common-lisp/sbcl-bundle-systems/\") \
  #+ecl ... \
  ${CL_SOURCE_FRAGMENT}

followed by

export CL_SOURCE_REGISTRY=\
  (:source-registry ${CL_SOURCE_FRAGMENT} \
  (:directory \"${GUIX_PROFILE}/share/common-lisp/systems/\") \
  :inherit-configuration)

This would allow each implementation to pick up their own compiled libraries,
as well as systems installed as source as a fallback. I don't know how to
achieve that kind of a setup, so I'd like some help. I'm also worried about
either blowing away user configuration, or having it shadow the desired
configuration, since this isn't a simple search path which could be appended
to. Should we try to patch the asdf implementations to handle a separate
variable just for guix?

I'd also like to hear your thoughts on how packages are laid out using the
system, so I've included some examples. I was thinking that something like
package-with-python2 could also be helpful here; is that the right way
forward?

Thanks.

--
Andy