Add libxfont

packages/libxfont.rb

+require 'package'
+
+class Libxfont < Package
+  description 'library for the X window system'
+  homepage 'https://x.org'
+  version '2.0.1'
+  source_url 'https://www.x.org/archive/individual/lib/libXfont2-2.0.1.tar.gz'
+  source_sha256 '381b6b385a69343df48a082523c856aed9042fbbc8ee0a6342fb502e4321230a'
+
+  depends_on 'libfontenc'
+  depends_on 'freetype'
+
+  def self.build
+    system "./configure --prefix=#{CREW_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end