gnu: Add MuseScore.

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

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/music.scm

@@ -10,6 +10,7 @@
 ;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
 ;;; Copyright © 2017 ng0 <contact.ng0@cryptolab.net>
 ;;; Copyright © 2017 Rodger Fox <thylakoid@openmailbox.org>
+;;; Copyright © 2017 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -49,6 +50,7 @@ (define-module (gnu packages music)
   #:use-module (gnu packages cdrom)
   #:use-module (gnu packages code)
   #:use-module (gnu packages check)
+  #:use-module (gnu packages cmake)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages cyrus-sasl)
@@ -2990,3 +2992,91 @@ (define-public lmms
 melodies and beats and for mixing and arranging songs.  LMMS includes instruments based on
 audio samples and various soft sythesizers.  It can receive input from a MIDI keyboard.")
     (license license:gpl2+)))
+
+(define-public musescore
+  (package
+    (name "musescore")
+    (version "2.1.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/musescore/MuseScore/archive/"
+                    "v" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0irwsq6ihfz3y3b943cwqy29g3si7gqbgxdscgw53vwv9vfvi085"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; Un-bundle OpenSSL and remove unused libraries.
+               '(begin
+                  (substitute* "thirdparty/kQOAuth/CMakeLists.txt"
+                    (("-I \\$\\{PROJECT_SOURCE_DIR\\}/thirdparty/openssl/include ")
+                     ""))
+                  (substitute* "thirdparty/kQOAuth/kqoauthutils.cpp"
+                    (("#include <openssl/.*") ""))
+                  (for-each delete-file-recursively
+                            '("thirdparty/freetype"
+                              "thirdparty/openssl"
+                              "thirdparty/portmidi"))
+                  #t))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags
+       `(,(string-append "PREFIX=" (assoc-ref %outputs "out")))
+       ;; There are tests, but no simple target to run.  The command
+       ;; used to run them is:
+       ;;
+       ;;   make debug && sudo make installdebug && cd \
+       ;;   build.debug/mtest && make && ctest
+       ;;
+       ;; Basically, it requires to start a whole new build process.
+       ;; So we simply skip them.
+       #:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (add-after 'unpack 'use-system-freetype
+           (lambda _
+             ;; XXX: For the time being, we grossly insert the CMake
+             ;; option needed to ignore bundled freetype.  However,
+             ;; there's a pending PR to have it as a regular make
+             ;; option, in a future release.
+             (substitute* "Makefile"
+               (("cmake -DCMAKE") "cmake -DUSE_SYSTEM_FREETYPE=ON -DCMAKE"))
+             #t)))))
+    (inputs
+     `(("alsa-lib" ,alsa-lib)
+       ("freetype" ,freetype)
+       ("gtk+-bin" ,gtk+ "bin")         ;for gtk-update-icon-cache
+       ("jack" ,jack-1)
+       ("lame" ,lame)
+       ("libogg" ,libogg)
+       ("libsndfile" ,libsndfile)
+       ("libvorbis" ,libvorbis)
+       ("portaudio" ,portaudio)
+       ("pulseaudio" ,pulseaudio)
+       ("qtbase" ,qtbase)
+       ("qtdeclarative" ,qtdeclarative)
+       ("qtscript" ,qtscript)
+       ("qtsvg" ,qtsvg)
+       ("qtwebkit" ,qtwebkit)
+       ("qtxmlpatterns" ,qtxmlpatterns)))
+    (native-inputs
+     `(("cmake" ,cmake)
+       ("pkg-config" ,pkg-config)
+       ("qttools" ,qttools)))
+    (synopsis "Music composition and notation software")
+    (description "MuseScore is a music score typesetter.  Its main purpose is
+the creation of high-quality engraved musical scores in a WYSIWYG environment.
+
+It supports unlimited staves, linked parts and part extraction, tablature,
+MIDI input, percussion notation, cross-staff beaming, automatic transposition,
+lyrics (multiple verses), fretboard diagrams, and in general everything
+commonly used in sheet music.  Style options and style sheets to change the
+appearance and layout are provided.
+
+MuseScore can also play back scores through the built-in sequencer and SoundFont
+sample library.")
+    (home-page "https://musescore.org")
+    (license license:gpl2)))