Add gengetopt package (#2506)

Add pre-built binaries

packages/gengetopt.rb

+require 'package'
+
+class Gengetopt < Package
+  description 'This program generates a C function that uses getopt_long function to parse the command line options, to validate them and fills a struct .'
+  homepage 'https://www.gnu.org/software/gengetopt/'
+  version '2.22.6'
+  source_url 'https://ftpmirror.gnu.org/gengetopt/gengetopt-2.22.6.tar.gz'
+  source_sha256 '30b05a88604d71ef2a42a2ef26cd26df242b41f5b011ad03083143a31d9b01f7'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gengetopt-2.22.6-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gengetopt-2.22.6-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gengetopt-2.22.6-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gengetopt-2.22.6-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '7e306c8b415392c657bbc244edb617b91426ed08936751145434b0bbf4bfd04d',
+     armv7l: '7e306c8b415392c657bbc244edb617b91426ed08936751145434b0bbf4bfd04d',
+       i686: '08953a3621340f6200f5a5723784d1e89db0f2cf7f09fd45ee00ed05c03d6fc6',
+     x86_64: '75c36bc7b44192695691b36009d2fa733dc7573cbb3f83c084ea45a57dcfdcda',
+  })
+
+  def self.build
+    system "sed -i 's,/usr/bin/file,#{CREW_PREFIX}/bin/file,g' configure"
+    system "./configure --prefix=#{CREW_PREFIX}"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end