gnu: Add fabla.

* gnu/packages/music.scm (fabla): New variable.

Signed-off-by: Ricardo Wurmus <rekado@elephly.net>

gnu/packages/music.scm

@@ -5055,6 +5055,34 @@ kit.  It provides a patch bay in flow matrix style for audio, MIDI, CV, and
 OSC connections.")
     (license license:artistic2.0)))
 
+(define-public fabla
+  (let ((revision "1")
+        ;; The last release was in 2016.  Since then a number of commits have
+        ;; been added to fix build problems.
+        (commit "10acf03046d980f96ed192d5acb9deb812f5c639"))
+    (package
+      (name "fabla")
+      (version (git-version "1.3.2" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/openAVproductions/openAV-Fabla")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0ybbzb86j1n5dfhzc6aa3cibkwi6q3x0c18b1w3anyibanmr1wmc"))))
+      (build-system cmake-build-system)
+      (arguments '(#:tests? #f)) ;there are none
+      (inputs (list ntk cairomm libsndfile))
+      (native-inputs (list pkg-config lv2 mesa))
+      (home-page "http://openavproductions.com/fabla/")
+      (synopsis "Sampler LV2 plugin")
+      (description
+       "Fabla is an LV2 drum sampler plugin instrument.  It is ideal for loading up
+your favorite sampled sounds and bashing away on a MIDI controller.")
+      (license license:gpl2+))))
+
 (define-public sorcer
   (let ((revision "1")
         ;; The last release was in 2016.  Since then a couple of commits have