34/154: gnu: Add ghc-regex-base.

[Paul]

toothbrush pushed a commit to branch wip-haskell-platform-7.10.2-a
in repository guix.

commit 2caafb843445454965a39ceda858b4a7cbc17923
Author: Paul van der Walt <address@hidden>
Date:   Thu Oct 15 21:08:15 2015 +0200

    gnu: Add ghc-regex-base.
    
    * gnu/packages/haskell.scm (ghc-regex-base): New variable.
---
 gnu/packages/haskell.scm |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index d77ebbc..6ac5d32 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -942,6 +942,30 @@ transformers 0.2 or 0.3 compatibility to run on old 
versions of the platform,
 but also need those types.")
     (license bsd-3)))
 
+(define-public ghc-regex-base
+  (package
+    (name "ghc-regex-base")
+    (version "0.93.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://hackage.haskell.org/package/regex-base/regex-base-";
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "0y1j4h2pg12c853nzmczs263di7xkkmlnsq5dlp5wgbgl49mgp10"))))
+    (build-system haskell-build-system)
+    (propagated-inputs
+     `(("ghc-mtl" ,ghc-mtl)))
+    (home-page
+     "http://sourceforge.net/projects/lazy-regex";)
+    (synopsis "Replaces/Enhances Text.Regex")
+    (description
+     "Interface API for regex-posix, pcre, parsec, tdfa, dfa.")
+    (license bsd-3)))
+
 (define-public ghc-exceptions
   (package
     (name "ghc-exceptions")