Add support for GNU Guix

* .gitignore: Ignore changes to manifest.scm.
* Makefile: Add manifest.scm by linking it from the admin directory.
* README: Document how to use Guix.

3 files changed, 15 insertions, 2 deletions

diff --git a/.gitignore b/.gitignore
index 6ecf83c..6fc09f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ core
 /archive/
 /archive-devel/
 GNUmakefile
+manifest.scm
 /admin
 
 # Testing file
diff --git a/Makefile b/Makefile
index b9f30b0..0f67392 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,12 @@
 # "Dummy" initial Makefile for GNU Emacs Lisp Package Archive.
 
-setup: GNUmakefile admin
+setup: GNUmakefile manifest.scm admin
 
 GNUmakefile: admin
 	ln -s admin/GNUmakefile ./
 
+manifest.scm: admin
+	ln -s admin/elpa-manifest.scm $@
+
 admin:
 	git worktree add -b elpa-admin admin origin/elpa-admin
diff --git a/README b/README
index b60312d..b0bb6fc 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 #+TITLE: GNU ELPA README
-#+DATE: 2021-12-30
+#+DATE: 2022-06-05
 
 Copyright (C) 2010-2022 Free Software Foundation, Inc. \\
 See the end of the file for license conditions.
@@ -530,6 +530,15 @@ archives" are useful for debugging:
   (setq package-archives '(("local-elpa" . ".../elpa/archive")))
 #+end_src
 
+** Dependency management using GNU Guix
+If you have the [[https://guix.gnu.org/][GNU Guix]] package manager installed, it can take care
+of all the dependencies necessary for the ELPA build system to run.
+You can initialise a shell session by running
+
+#+begin_src sh
+  guix shell -m manifest.scm
+#+end_src
+
 ** Notes specific to =elpa.gnu.org=
 
 *** Periodic builds