From 866b19086e7f294261e694b228ff05ffb129296c Mon Sep 17 00:00:00 2001
From: Alex ter Weele <alex.ter.weele@gmail.com>
Date: Wed, 7 Mar 2018 18:31:22 -0600
Subject: gnu: Add ghc-cheapskate-0.1.0.5.
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* gnu/packages/idris.scm (ghc-cheapskate-0.1.0.5): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/packages/idris.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'gnu/packages/idris.scm')

diff --git a/gnu/packages/idris.scm b/gnu/packages/idris.scm
index b67fcbccfa..c103055f50 100644
--- a/gnu/packages/idris.scm
+++ b/gnu/packages/idris.scm
@@ -57,6 +57,25 @@
         (base32
          "1rgv62dlmm4vkdymx5rw5jg3w8ifpzg1745rvs1m4kzdx16p5cxs"))))))
 
+;; ghc-cheapskate appeared too new. This follows LTS Haskell.
+(define ghc-cheapskate-0.1.0.5
+  (package
+    (inherit ghc-cheapskate)
+    (version "0.1.0.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://hackage.haskell.org/package/cheapskate/cheapskate-"
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "0cpsmfx5z2xykg71sv8j7pl8ga6pzyjnjdb9bxn00vcpqkzvfqvs"))))
+    (arguments
+     ;; LTS Haskell says data-default >=0.5 && <0.8
+     `(#:configure-flags (list "--allow-newer=data-default")))))
+
 (define-public idris
   (package
     (name "idris")
-- 
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