[PATCH 07/21] gnu: Add ghc-patience.

[Paul van der Walt]

* gnu/packages/haskell.scm (ghc-patience): New variable.
---
 gnu/packages/haskell.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 90e0a16..44310de 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -901,6 +901,31 @@ by MPEG playback software, emulators, and many popular 
games, including the
 award winning Linux port of \"Civilization: Call To Power.\"")
     (license bsd-3)))
 
+(define-public ghc-patience
+  (package
+    (name "ghc-patience")
+    (version "0.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://hackage.haskell.org/package/patience/patience-";
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "0qyv20gqy9pb1acy700ahv70lc6vprcwb26cc7fcpcs4scsc7irm"))))
+    (build-system haskell-build-system)
+    (home-page "http://hackage.haskell.org/package/patience";)
+    (synopsis "Patience diff for Haskell")
+    (description
+     "This library implements the \"patience diff\" algorithm, as well as the
+patience algorithm for the longest increasing subsequence problem.  Patience
+diff computes the difference between two lists, for example the lines of two
+versions of a source file.  It provides a good balance of performance, nice
+output for humans, and implementation simplicity.")
+    (license bsd-3)))
+
 (define-public ghc-sdl-mixer
   (package
     (name "ghc-sdl-mixer")
-- 
2.6.2