>From 1759719cc568c131ea5f18601f28096250ab8b2f Mon Sep 17 00:00:00 2001
From: Katherine Cox-Buday <address@hidden>
Date: Fri, 29 Mar 2019 15:53:10 -0500
Subject: [PATCH 23/42] gnu: Add xsubseq

---
 gnu/packages/lisp.scm | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index be0a82d34a..f0222ac669 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -4475,3 +4475,35 @@ depending on content size.")
 (define-public cl-smart-buffer
   (sbcl-package->cl-source-package sbcl-smart-buffer))
 
+(define-public sbcl-xsubseq
+  (let ((commit "5ce430b3da5cda3a73b9cf5cee4df2843034422b")
+        (revision "1"))
+    (package
+     (name "sbcl-xsubseq")
+     (version (git-version "0.0.1" revision commit))
+     (source
+      (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/fukamachi/xsubseq")
+             (commit commit)))
+       (sha256
+        (base32 "1xz79q0p2mclf3sqjiwf6izdpb6xrsr350bv4mlmdlm6rg5r99px"))))
+     (build-system asdf-build-system/sbcl)
+     (arguments
+      ;; Tests fail with: Component XSUBSEQ-ASD::XSUBSEQ-TEST not found,
+      ;; required by #<SYSTEM "xsubseq">. Why?
+      `(#:tests? #f))
+     (native-inputs
+      `(("sbcl-prove-asdf" ,sbcl-prove-asdf)
+        ("sbcl-prove" ,sbcl-prove)))
+     (home-page "https://github.com/fukamachi/xsubseq")
+     (synopsis "Efficient way to use \"subseq\"s in Common Lisp")
+     (description
+      "XSubseq provides functions to be able to handle \"subseq\"s more
+effieiently.")
+     (license license:bsd-2))))
+
+(define-public cl-xsubseq
+  (sbcl-package->cl-source-package sbcl-xsubseq))
+
-- 
2.20.1