08/11: gnu: libsigc++: Update to 2.4.1.

[???]

iyzsong pushed a commit to branch wip-glib
in repository guix.

commit e7a720e681c684bb2c434736d81ea39d2ddc3b40
Author: 宋文武 <address@hidden>
Date:   Mon Apr 20 18:06:26 2015 +0800

    gnu: libsigc++: Update to 2.4.1.
    
    * gnu/packages/glib.scm (libsigc++): Update to 2.4.1.
---
 gnu/packages/glib.scm |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/gnu/packages/glib.scm b/gnu/packages/glib.scm
index c0fb00b..f1de887 100644
--- a/gnu/packages/glib.scm
+++ b/gnu/packages/glib.scm
@@ -370,14 +370,15 @@ by GDBus included in Glib.")
 (define libsigc++
   (package
     (name "libsigc++")
-    (version "2.3.1")
+    (version "2.4.1")
     (source (origin
              (method url-fetch)
-             (uri (string-append 
"mirror://gnome/sources/libsigc++/2.3/libsigc++-"
-                                 version ".tar.xz"))
+             (uri (string-append "mirror://gnome/sources/libsigc++/"
+                                 (version-major+minor version) "/"
+                                 name "-" version ".tar.xz"))
              (sha256
               (base32
-               "14q3sq6d43f6wfcmwhw4v1aal4ba0h5x9v6wkxy2dnqznd95il37"))))
+               "1v0rvkzglzmf67y9nkcppwjwi68j1cy5yhldvcq7xrv8594l612l"))))
     (build-system gnu-build-system)
     (native-inputs `(("pkg-config" ,pkg-config)
                      ("m4" ,m4)))