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[PATCH 089/105] gnu: Add ghc-happy.


From: Paul van der Walt
Subject: [PATCH 089/105] gnu: Add ghc-happy.
Date: Thu, 15 Oct 2015 17:33:30 +0200

* gnu/packages/haskell.scm (ghc-happy): New variable.
---
 gnu/packages/haskell.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 27971c4..834e6ad 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -437,6 +437,33 @@ them.")
      "This library provides an easy way to define command line parsers.")
     (license bsd-3)))
 
+(define-public ghc-happy
+  (package
+    (name "ghc-happy")
+    (version "1.19.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://hackage.haskell.org/package/happy/happy-";
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "1nj353q4z1g186fpjzf0dnsg71qhxqpamx8jy89rjjvv3p0kmw32"))))
+    (build-system haskell-build-system)
+    (arguments `(#:tests? #f)) ;; cannot satisfy -package mtl.  Possible Cabal
+                               ;; issue.
+    (propagated-inputs
+     `(("ghc-mtl" ,ghc-mtl)))
+    (home-page
+     "https://hackage.haskell.org/package/happy";)
+    (synopsis "Parser generator for Haskell")
+    (description "Parser generator for Haskell.  Given a grammar specification
+in BNF, Happy generates Haskell code to parse the grammar.  Happy works in a
+similar way to the yacc tool for C.")
+    (license bsd-3)))
+
 (define-public ghc-cpphs
   (package
     (name "ghc-cpphs")
-- 
2.6.1




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