diff --git a/guix.scm b/guix.scm
new file mode 100644
index 0000000..c5353ea
--- /dev/null
+++ b/guix.scm
@@ -0,0 +1,20 @@
+(define-module (guix)
+  #:use-module (guix packages)
+  #:use-module (guix gexp)
+  #:use-module (guix git-download)
+  #:use-module (gnu packages task-runners)
+  #:use-module (guix utils))
+
+(define-public xc-dev
+  (package
+   (inherit xc)
+   (version "0.dev")
+   (source
+    (local-file
+     "." "xc-checkout"
+     #:recursive? #t
+     #:select? (lambda* (#:rest _)
+                 (or (git-predicate (current-source-directory))
+                     (const #t)))))))
+
+xc-dev