Added perl_gcstring_linebreak two-in-one package (#2378)

* Added perl_gcstring_linebreak two-in-one package

* Added DESTDIR to make install so files can be tracked

* added Dir.chdir to self.install

packages/perl_gcstring_linebreak.rb

+require 'package'
+
+class Perl_gcstring_linebreak < Package
+  description 'UAX 14 Unicode Line Breaking Algorithm - Perl binding Unicode::LineBreak Unicode::GCString'
+  homepage 'http://search.cpan.org/~nezumi/Unicode-LineBreak-2018.003/lib/Unicode/LineBreak.pod'
+  version '2018.003'
+  source_url 'https://github.com/hatukanezumi/Unicode-LineBreak/archive/Unicode-LineBreak-2018.003.tar.gz'
+  source_sha256 '6f8cb4de140f8b63924786df8b0c2389c342bccdee05fbb1b9af8d8b6a8a3fad'
+
+  def self.build
+      system "git", "clone", "--recurse-submodules", "https://github.com/hatukanezumi/Unicode-LineBreak", "-b", "Unicode-LineBreak-2018.003"
+    Dir.chdir ("Unicode-LineBreak") do
+      system "perl", "Makefile.PL"
+      system "make"
+    end
+  end
+
+  def self.install
+    Dir.chdir ("Unicode-LineBreak") do
+      system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    end
+  end
+end