Add SF2 support for macOS (LMMS#3446)

* Add SF2 support for macOS

Closes LMMS#649

.travis/osx..install.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-PACKAGES="cmake pkgconfig fftw libogg libvorbis libsndfile libsamplerate jack sdl stk fluid-synth portaudio node fltk"
+PACKAGES="cmake pkgconfig fftw libogg libvorbis libsndfile libsamplerate jack sdl stk portaudio node fltk"
 
 if [ $QT5 ]; then
 	PACKAGES="$PACKAGES homebrew/versions/qt55"
@@ -10,4 +10,10 @@ fi
 
 brew install $PACKAGES
 
+# Recompile fluid-synth without CoreAudio per issues #649
+# Changes to fluid-synth.rb must be pushed to URL prior to use
+url=$(git remote get-url origin)
+branch=$(git symbolic-ref --short HEAD)
+brew install --build-from-source $url/raw/$branch/cmake/apple/fluid-synth.rb
+
 sudo npm install -g appdmg

CMakeLists.txt

@@ -67,7 +67,6 @@ OPTION(WANT_QT5		"Build with Qt5" OFF)
 
 
 IF(LMMS_BUILD_APPLE)
-	SET(WANT_SF2 OFF)
 	SET(WANT_ALSA OFF)
 	SET(WANT_PULSEAUDIO OFF)
 	SET(WANT_VST OFF)

cmake/apple/fluid-synth.rb

@@ -0,0 +1,42 @@
+# Copyright (c) 2009-present, Homebrew contributors
+# License: BSD 2-Clause
+
+class FluidSynth < Formula
+  desc "Real-time software synthesizer based on the SoundFont 2 specs"
+  homepage "http://www.fluidsynth.org"
+  url "https://downloads.sourceforge.net/project/fluidsynth/fluidsynth-1.1.6/fluidsynth-1.1.6.tar.gz"
+  sha256 "50853391d9ebeda9b4db787efb23f98b1e26b7296dd2bb5d0d96b5bccee2171c"
+
+  bottle do
+    cellar :any
+    rebuild 1
+    sha256 "ee86f0e263db0610a340592d725bd2c05bc5ed1bfa6eb496ae304297de261ae0" => :sierra
+    sha256 "dfe31491d27c3c29ff4686900984e5884f89cd249d82b3dba4ad077f7bbe9057" => :el_capitan
+    sha256 "6938c03a61b696870de92435dc0a6e6118fbb0d68adcd0d17ec8d30c2f7eee20" => :yosemite
+    sha256 "5c5e00f88e45dd661c15f0e13793f9cc96f285b08200145ce8b77982350a5625" => :mavericks
+    sha256 "83b972cf7aec57e78dc1c1a6b3e286d8b9bf2a2622e174bca42efa8576e36e5f" => :mountain_lion
+  end
+
+  depends_on "pkg-config" => :build
+  depends_on "cmake" => :build
+  depends_on "glib"
+  depends_on "libsndfile" => :optional
+  depends_on "portaudio" => :optional
+
+  def install
+    args = std_cmake_args
+    args << "-Denable-framework=OFF" << "-DLIB_SUFFIX="
+    args << "-Denable-portaudio=ON" if build.with? "portaudio"
+    args << "-Denable-libsndfile=OFF" if build.without? "libsndfile"
+    args << "-Denable-coreaudio=OFF" # Per lmms/issues/649
+
+    mkdir "build" do
+      system "cmake", "..", *args
+      system "make", "install"
+    end
+  end
+
+  test do
+    assert_match /#{version}/, shell_output("#{bin}/fluidsynth --version")
+  end
+end

plugins/CMakeLists.txt

@@ -67,6 +67,7 @@ IF("${PLUGIN_LIST}" STREQUAL "")
 		peak_controller_effect
 		GigPlayer
 		ReverbSC
+		sf2_player
 		sfxr
 		sid
 		SpectrumAnalyzer
@@ -82,12 +83,6 @@ IF("${PLUGIN_LIST}" STREQUAL "")
 		zynaddsubfx
 	)
 
-	IF(NOT LMMS_BUILD_APPLE)
-		SET(PLUGIN_LIST
-			${PLUGIN_LIST}
-			sf2_player
-		)
-	ENDIF()
 ENDIF("${PLUGIN_LIST}" STREQUAL "")
 
 FOREACH(PLUGIN ${PLUGIN_LIST})