On Sat, Feb 22, 2020 at 03:13:18AM +0530, Arun Isaac wrote:
> * gnu/packages/swig.scm (swig): Update to 4.0.1.
> [source]: Remove swig-guile-gc.patch.
> [arguments]: Remove set-env phase.
> [inputs]: Replace guile-2.0 with guile-3.0.
> * gnu/packages/patches/swig-guile-gc.patch: Delete file.
> * gnu/local.mk (dist_patch_DATA): Unregister it.

Hi,

swig is depended upon by 5206 packages. This means that any updates will
have to go through the core-updates branch. The branch has swig 4.0.1
since this December. Sorry for the duplicated effort...

You might want to send a patch to build swig with guile-3.0 instead of
the guile-2.2 used currently on core-updates. If you decide to do so,
please use [PATCH core-updates] in the subject. You can do this easily
by passing --subject-prefix="PATCH core-updates" to git format-patch.

See point 8 of `info '(guix)Submitting Patches'` for more details.

Regards,
Jakub Kądziołka