Add sbc package (#3311)

packages/sbc.rb

+require 'package'
+
+class Sbc < Package
+  description 'SBC is a digital audio encoder and decoder used to transfer data to Bluetooth audio output devices.'
+  homepage 'http://www.linuxfromscratch.org/blfs/view/svn/multimedia/sbc.html'
+  version '1.4'
+  source_url 'https://www.kernel.org/pub/linux/bluetooth/sbc-1.4.tar.xz'
+  source_sha256 '518bf46e6bb3dc808a95e1eabad26fdebe8a099c1e781c27ed7fca6c2f4a54c9'
+
+  depends_on 'libsndfile'
+
+  def self.build
+    system './configure',
+           "--prefix=#{CREW_PREFIX}",
+           "--libdir=#{CREW_LIB_PREFIX}",
+           '--enable-high-precision',
+           '--disable-static',
+           '--enable-pie'
+    system 'make'
+  end
+
+  def self.install
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+  end
+end