Add libsecret package

packages/libsecret.rb

+require 'package'
+
+class Libsecret < Package
+  description 'GObject based library for accessing the Secret Service API.'
+  homepage 'https://github.com/GNOME/libsecret'
+  version '0.18.6'
+  source_url 'https://github.com/GNOME/libsecret/archive/0.18.6.tar.gz'
+  source_sha256 'f4fa198d4e131f94d9ec84cfeaf6c124245e7ff3c0af11c76cc35332bfae5585'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/libsecret-0.18.6-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/libsecret-0.18.6-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/libsecret-0.18.6-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/libsecret-0.18.6-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '6bf08022d4db47fd7faf57c2fdbfb13ae3d66ccf7ebfa7a36ad6637d70705f3c',
+     armv7l: '6bf08022d4db47fd7faf57c2fdbfb13ae3d66ccf7ebfa7a36ad6637d70705f3c',
+       i686: 'e72fb2a7ddda1aa4abb22ea521b6e698667d6f1aee5d2fc7774cd25cb8acebe4',
+     x86_64: '86dc9e5d3b2b360cb5f3396fcc0a83e3805dfcc877e583bf1a962ebf05d72d6f',
+  })
+
+  depends_on 'gobject_introspection' => :build
+  depends_on 'libgcrypt' => :build
+  depends_on 'vala' => :build
+
+  def self.build
+    system './autogen.sh',
+           "--prefix=#{CREW_PREFIX}",
+           "--libdir=#{CREW_LIB_PREFIX}",
+           '--disable-maintainer-mode',
+           '--disable-gtk-doc',
+           '--disable-gtk-doc-html',
+           '--disable-gtk-doc-pdf',
+           '--disable-manpages'
+    system 'make'
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end