Merge pull request #2224 from uberhacker/add-libdnet-package

Add libdnet package

packages/libdnet.rb

+require 'package'
+
+class Libdnet < Package
+  description 'libdnet provides a simplified, portable interface to several low-level networking routines.'
+  homepage 'https://github.com/dugsong/libdnet'
+  version '1.12'
+  source_url 'https://github.com/dugsong/libdnet/archive/libdnet-1.12.tar.gz'
+  source_sha256 'b6360659c93fa2e3cde9e0a1fc9c07bc4111f3448c5de856e095eb98315dd424'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  def self.build
+    system './configure',
+           "--prefix=#{CREW_PREFIX}",
+           "--libdir=#{CREW_LIB_PREFIX}",
+           "--sbindir=#{CREW_PREFIX}/bin"
+    system 'make'
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end