From c5043f4aac33426bfe2c54f2db3bbf01b9c88f09 Mon Sep 17 00:00:00 2001
From: Federico Beffa <beffa@fbengineering.ch>
Date: Fri, 27 Mar 2015 18:03:49 +0100
Subject: [PATCH] gnu: Add ghc-fgl.
* gnu/packages/haskell.scm (ghc-fgl): New variable.
---
gnu/packages/haskell.scm | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index c3f9e575957..3a41eb27576 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -632,4 +632,30 @@ (define-public ghc-containers
shared.")
(license bsd-3)))
+(define-public ghc-fgl
+ (package
+ (name "ghc-fgl")
+ (version "5.5.1.0")
+ (outputs '("out" "doc"))
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://hackage.haskell.org/package/fgl/fgl-"
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "0rcmz0xlyr1wj490ffja29z1jgl51gz19ka609da6bx39bwx7nga"))))
+ (build-system haskell-build-system)
+ (inputs `(("ghc-mtl" ,ghc-mtl)))
+ (home-page "http://web.engr.oregonstate.edu/~erwig/fgl/haskell")
+ (synopsis
+ "Martin Erwig's Functional Graph Library")
+ (description "The functional graph library, FGL, is a collection of type
+and function definitions to address graph problems. The basis of the library
+is an inductive definition of graphs in the style of algebraic data types that
+encourages inductive, recursive definitions of graph algorithms.")
+ (license bsd-3)))
+
;;; haskell.scm ends here
--
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