Create libxtst.rb

Dependency for building gtk

packages/libxtst.rb

+require 'package'
+
+class Libxtst < Package
+  description 'X.org Xtst Library'
+  homepage 'http://t2sde.org/packages/libxtst.html'
+  version '1.2.3'
+  source_url 'https://xorg.freedesktop.org/releases/individual/lib/libXtst-1.2.3.tar.bz2'
+  source_sha256 '4655498a1b8e844e3d6f21f3b2c4e2b571effb5fd83199d428a6ba7ea4bf5204'
+
+
+  depends_on 'libxi'
+  
+  def self.build
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end