* gnu/packages/haskell.scm (ghc-extra): 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 f5f1dda..8e7da5c 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -1391,6 +1391,32 @@ Finally, Text.Parse is a proposed replacement for the
standard Read class, for
better deserialisation of Haskell values from Strings.")
(license lgpl2.1)))
+(define-public ghc-extra
+ (package
+ (name "ghc-extra")
+ (version "1.4.2")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://hackage.haskell.org/package/extra/extra-";
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "1h9hxkrqrqscx420yz1lmivbrhi6jc3a5ap61vkxd2mhdgark9hf"))))
+ (build-system haskell-build-system)
+ (inputs `(("ghc-quickcheck" ,ghc-quickcheck)))
+ (home-page
+ "https://github.com/ndmitchell/extra#readme";)
+ (synopsis "Extra Haskell functions")
+ (description
+ "A library of extra functions for the standard Haskell libraries. Most
+functions are simple additions, filling out missing functionality. A few
+functions are available in later versions of GHC, but this package makes them
+available back to GHC 7.2.")
+ (license bsd-3)))
+
(define-public ghc-appar
(package
(name "ghc-appar")
--
2.6.1
