[PATCH] gnu: Add Ardour 4.

[Ricardo Wurmus]

A new version of Ardour is out!  This patch adds a new variable ardour-4
for this package in addition to the existing major version 3.5.x.

>From a72f8aabeba004067c1acb48ceebbd3c0e1fbdd8 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Mon, 20 Apr 2015 21:36:17 +0200
Subject: [PATCH] gnu: Add Ardour 4.

* gnu/packages/audio.scm (ardour-4): New variable.
---
 gnu/packages/audio.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index b10cb24..5043db2 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -200,6 +200,26 @@ record, edit, mix and master audio and MIDI projects.  It 
is targeted at audio
 engineers, musicians, soundtrack editors and composers.")
     (license license:gpl2+)))
 
+(define-public ardour-4
+  (package (inherit ardour)
+    (name "ardour")
+    (version "4.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "git://git.ardour.org/ardour/ardour.git")
+                    (commit version)))
+              (snippet
+               '(call-with-output-file
+                    "libs/ardour/revision.cc"
+                  (lambda (port)
+                    (format port "#include \"ardour/revision.h\"
+namespace ARDOUR { const char* revision = \"4.0\" ; }"))))
+              (sha256
+               (base32
+                "0a8bydc24xv0cahdqfaxdmi1f43cyr9psiyshxpbrkdqw2c7a4xi"))
+              (file-name (string-append name "-" version))))))
+
 (define-public azr3
   (package
     (name "azr3")
-- 
2.1.0