Update gstreamer to 1.18 & for meson (#4383)

* Update gstreamer to 1.18 & for meson

* fix llvm dependency

packages/gstreamer.rb

@@ -3,23 +3,10 @@ require 'package'
 class Gstreamer < Package
   description 'GStreamer is a library for constructing graphs of media-handling components.'
   homepage 'https://gstreamer.freedesktop.org/'
-  version '1.16.0'
+  version '1.18.0'
   compatibility 'all'
-  source_url 'https://gstreamer.freedesktop.org/src/gstreamer/gstreamer-1.16.0.tar.xz'
-  source_sha256 '0e8e2f7118be437cba879353970cf83c2acced825ecb9275ba05d9186ef07c00'
-
-  binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gstreamer-1.16.0-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gstreamer-1.16.0-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gstreamer-1.16.0-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gstreamer-1.16.0-chromeos-x86_64.tar.xz',
-  })
-  binary_sha256 ({
-    aarch64: '893b56afd71e7b245fe73899569579d9eb9f7f580612b1f35516045d8ac0ff88',
-     armv7l: '893b56afd71e7b245fe73899569579d9eb9f7f580612b1f35516045d8ac0ff88',
-       i686: 'c99a01dc6368256e71bda4b73c01b59ea989a176f07ebb16144999c5f825c77a',
-     x86_64: '5e54e1d4fb7b4468f7dc8ecfb0bcdeb06b96796d5b5425e46f45fb3545ccb7a1',
-  })
+  source_url 'https://gstreamer.freedesktop.org/src/gstreamer/gstreamer-1.18.0.tar.xz'
+  source_sha256 '0ff09245b06c0aeb5d9a156edcab088a7e8213a0bf9c84a1ff0318f9c00c7805'
 
   depends_on 'glib'
   depends_on 'libcap'
@@ -28,20 +15,22 @@ class Gstreamer < Package
   depends_on 'elfutils'
   depends_on 'libunwind'
   depends_on 'python27'
+  depends_on 'llvm' => :build
 
   def self.build
-    system './configure',
+    # Use lld for ChromOS library compatibility
+    ENV['CFLAGS'] = "-fuse-ld=lld"
+    ENV['CXXFLAGS'] = "-fuse-ld=lld"
+    system "meson",
     "--prefix=#{CREW_PREFIX}",
     "--libdir=#{CREW_LIB_PREFIX}",
-           '--disable-maintainer-mode',
-           '--enable-failing-tests',
-           '--disable-gst-debug',
-           '--disable-debug'
-    system 'make'
+    "-Dgst_debug=false",
+    "build"
+    system "ninja -C build"
   end
 
   def self.install
-    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+    system "DESTDIR=#{CREW_DEST_DIR} ninja -C build install"
   end
 
   def self.check