Merge pull request #1549 from uberhacker/add-lft-package

Add lft package

packages/lft.rb

+require 'package'
+
+class Lft < Package
+  description "LFT, short for Layer Four Traceroute, is a sort of 'traceroute' that often works much faster (than the commonly-used Van Jacobson method) and goes through many configurations of packet-filters (firewalls)."
+  homepage 'http://pwhois.org/lft/'
+  version '3.79'
+  source_url 'https://fossies.org/linux/privat/lft-3.79.tar.gz'
+  source_sha256 '08e5c7973551b529c850bffbc7152c4e5f0bcb1f07ebbb39151a7dc9a3bf9de0'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  depends_on 'libpcap'
+
+  def self.build
+    system './configure',
+           "--prefix=#{CREW_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end