straight adaptation from arch I did a couple of weeks back (#5339)

packages/telepathy_glib.rb

 require 'package'
 
 class Telepathy_glib < Package
-  description 'A library for GLib-based Telepathy components.'
-  homepage 'https://telepathy.freedesktop.org/'
-  version '0.24.1'
+  description 'GLib bindings for the Telepathy D-Bus protocol'
+  homepage 'https://telepathy.freedesktop.org'
+  @_ver = '0.24.2'
+  version @_ver
   compatibility 'all'
-  source_url 'https://telepathy.freedesktop.org/releases/telepathy-glib/telepathy-glib-0.24.1.tar.gz'
-  source_sha256 '9e0df1d8f857e0270cf0b32e2d1ca5a24aa7282873361785d573f72ad7f7d5eb'
+  source_url "https://telepathy.freedesktop.org/releases/telepathy-glib/telepathy-glib-#{@_ver}.tar.gz"
+  source_sha256 'b0a374d771cdd081125f38c3abd079657642301c71a543d555e2bf21919273f0'
+
+  binary_url({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/telepathy_glib-0.24.2-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/telepathy_glib-0.24.2-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/telepathy_glib-0.24.2-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/telepathy_glib-0.24.2-chromeos-x86_64.tar.xz'
+  })
+  binary_sha256({
+    aarch64: '5b6f9a8f1de97a29cb13f82fd8647a4416e974fadfaa4ad3f2c1f5181cecc40c',
+     armv7l: '5b6f9a8f1de97a29cb13f82fd8647a4416e974fadfaa4ad3f2c1f5181cecc40c',
+       i686: '62adb61813dc3e203125939fdce5d04b2253af1669ccad009160bc6ec066a4b3',
+     x86_64: '816ac47c89d6d65c01e40ce4f0b43c6110000bbf0e5a87cfd866904128a5394f'
+  })
 
   depends_on 'dbus_glib'
-  depends_on 'gobject_introspection'
-  depends_on 'gtk_doc' => :build
-  depends_on 'vala' => :build
-  
+  depends_on 'libxslt' => ':build'
+  depends_on 'vala' => ':build'
+  depends_on 'gobject_introspection' => ':build'
+
   def self.build
-    system "env NOCONFIGURE=1 ./autogen.sh"
-    system "./configure #{CREW_OPTIONS} \
-            --enable-gtk-doc \
-            --enable-introspection \
-            --enable-vala-bindings"
-    system "make"
+    system "env CFLAGS='-flto=auto' CXXFLAGS='-flto=auto' LDFLAGS='-flto=auto' \
+      ./configure \
+      #{CREW_OPTIONS} \
+      --libexecdir=#{CREW_LIB_PREFIX}/telepathy \
+      --enable-vala-bindings"
+    system 'make'
   end
-  
+
   def self.install
     system "make DESTDIR=#{CREW_DEST_DIR} install"
   end