77/154: gnu: Add ghc-bytestring-builder.

[Paul]

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

commit 71eb8fae8ba8125ba92dc62127f3df4eae13530e
Author: Paul van der Walt <address@hidden>
Date:   Thu Oct 15 14:48:43 2015 +0200

    gnu: Add ghc-bytestring-builder.
    
    * gnu/packages/haskell.scm (ghc-bytestring-builder): New variable.
---
 gnu/packages/haskell.scm |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 2611727..3060d3b 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -2383,6 +2383,28 @@ or timeout period.  This package provides alternative 
functions which use the
 unbounded @code{Integer} type.")
     (license bsd-3)))
 
+(define-public ghc-bytestring-builder
+  (package
+    (name "ghc-bytestring-builder")
+    (version "0.10.6.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://hackage.haskell.org/package/bytestring-builder";
+             "/bytestring-builder-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1mkg24zl0rapb3gqzkyj5ibp07wx3yzd72hmfczssl0is63rjhww"))))
+    (build-system haskell-build-system)
+    (arguments `(#:haddock? #f)) ; Package contains no documentation.
+    (home-page "http://hackage.haskell.org/package/bytestring-builder";)
+    (synopsis "The new bytestring builder, packaged outside of GHC")
+    (description "This package provides the bytestring builder that is
+debuting in bytestring-0.10.4.0, which should be shipping with GHC 7.8.
+Compatibility package for older packages.")
+    (license bsd-3)))
+
 (define-public ghc-nats
   (package
     (name "ghc-nats")