Add a package definition for Guix

guix.scm

@@ -0,0 +1,46 @@
+;; Guix package for avp. To build or install, run from the toplevel directory:
+;;
+;;   guix build --file=guix.scm
+;;   guix package --install-from-file=guix.scm
+;;
+;; To create and enter a development environment:
+;;
+;;   guix shell --pure --development --file=guix.scm
+
+(use-modules
+ (gnu packages audio)
+ (gnu packages gl)
+ (gnu packages sdl)
+ (gnu packages video)
+ (guix build-system cmake)
+ (guix build utils)
+ (guix gexp)
+ (guix git-download)
+ (guix packages)
+ (ice-9 popen)
+ (ice-9 rdelim))
+
+(define (git-version directory)
+  (with-directory-excursion directory
+    (read-line (open-pipe* OPEN_READ "git" "describe" "--always" "--tags"))))
+
+(define source-dir (dirname (current-filename)))
+
+(define-public avp
+  (package
+    (name "avp")
+    (version (git-version source-dir))
+    (source (local-file source-dir #:recursive? #t #:select? (git-predicate source-dir)))
+    (build-system cmake-build-system)
+    (arguments
+     '(#:tests? #f))
+    (inputs
+     (list ffmpeg mesa openal sdl2))
+    (home-page "https://sr.ht/~jetomit/avp")
+    (synopsis "Aliens Versus Predator game engine")
+    (description "Unofficial Linux port of the game engine for the Rebellion
+Developments game Aliens Versus Predator.  This package does not
+provide game assets.")
+    (license "file:///LICENSE")))
+
+avp