05/153: gnu: xmonad: Patch for updated libraries.

[Paul]

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

commit 3d454d9b874549a85717654fc4735c55e55eb17f
Author: Paul van der Walt <address@hidden>
Date:   Wed Oct 14 22:26:55 2015 +0200

    gnu: xmonad: Patch for updated libraries.
    
    * gnu/packages/wm.scm (xmonad): Fetch cabal patch to compile against GHC
      7.10.2.
---
 gnu/packages/wm.scm |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/gnu/packages/wm.scm b/gnu/packages/wm.scm
index e0859cc..f48e913 100644
--- a/gnu/packages/wm.scm
+++ b/gnu/packages/wm.scm
@@ -3,6 +3,7 @@
 ;;; Copyright © 2015 Siniša Biđin <address@hidden>
 ;;; Copyright © 2015 Eric Bavier <address@hidden>
 ;;; Copyright © 2015 xd1le <address@hidden>
+;;; Copyright © 2015 Paul van der Walt <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -190,7 +191,7 @@ developers.")
     (source (origin
               (method url-fetch)
               (uri (string-append "http://hackage.haskell.org/package/xmonad/";
-                                  "xmonad-" version ".tar.gz"))
+                                  name "-" version ".tar.gz"))
               (sha256
                (base32
                 "1pfjssamiwpwjp1qqkm9m9p9s35pv381m0cwg6jxg0ppglibzq1r"))))
@@ -203,6 +204,16 @@ developers.")
     (arguments
      `(#:phases
        (modify-phases %standard-phases
+         (add-before
+          'configure 'update-cabal
+          (lambda _
+            ;; Here we update the constraints on the utf8-string package in
+            ;; the Cabal file.  We allow a newer version which is compatible
+            ;; with GHC 7.10.2.  The same change is applied on Hackage.  See
+            ;; <https://hackage.haskell.org/package/xmonad-0.11.1/revisions/>.
+            (substitute* "xmonad.cabal"
+              (("utf8-string >= 0.3 && < 0.4")
+               "utf8-string >= 0.3 && < 1.1"))))
          (add-after
           'install 'install-xsession
           (lambda _