uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/interpreters/ruby/rbinstall-new-rubygems-compat.patch

@@ -0,0 +1,87 @@
+From 8e85d27f9ccfe152fc1b891c19f125915a907493 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@redhat.com>
+Date: Tue, 1 Oct 2019 12:03:33 +0200
+Subject: [PATCH] Use `Gem::Package` like object instead of monkey patching.
+
+1. This is similar to what RubyGems does and it is less magic [[1]].
+2. It avoids deprecated code paths in RubyGems [[2]].
+
+[1]: https://github.com/rubygems/rubygems/blob/92892bbc3adba86a90756c385433835f6761b8da/lib/rubygems/installer.rb#L151
+[2]: https://github.com/rubygems/rubygems/blob/92892bbc3adba86a90756c385433835f6761b8da/lib/rubygems/installer.rb#L187
+
+(cherry picked from commit e960ef6f18a25c637c54f00c75bb6c24f8ab55d0)
+---
+ tool/rbinstall.rb | 47 +++++++++++++++++++++++++++--------------------
+ 1 file changed, 27 insertions(+), 20 deletions(-)
+
+diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
+index 060390626f..28ae8c409a 100755
+--- a/tool/rbinstall.rb
++++ b/tool/rbinstall.rb
+@@ -710,28 +710,34 @@ def remove_prefix(prefix, string)
+     end
+   end
+ 
+-  class UnpackedInstaller < Gem::Installer
+-    module DirPackage
+-      def extract_files(destination_dir, pattern = "*")
+-        path = File.dirname(@gem.path)
+-        return if path == destination_dir
+-        File.chmod(0700, destination_dir)
+-        mode = pattern == "bin/*" ? $script_mode : $data_mode
+-        spec.files.each do |f|
+-          src = File.join(path, f)
+-          dest = File.join(without_destdir(destination_dir), f)
+-          makedirs(dest[/.*(?=\/)/m])
+-          install src, dest, :mode => mode
+-        end
+-        File.chmod($dir_mode, destination_dir)
++  class DirPackage
++    attr_reader :spec
++
++    attr_accessor :dir_mode
++    attr_accessor :prog_mode
++    attr_accessor :data_mode
++
++    def initialize(spec)
++      @spec = spec
++      @src_dir = File.dirname(@spec.loaded_from)
++    end
++
++    def extract_files(destination_dir, pattern = "*")
++      path = @src_dir
++      return if path == destination_dir
++      File.chmod(0700, destination_dir)
++      mode = pattern == "bin/*" ? $script_mode : $data_mode
++      spec.files.each do |f|
++        src = File.join(path, f)
++        dest = File.join(without_destdir(destination_dir), f)
++        makedirs(dest[/.*(?=\/)/m])
++        install src, dest, :mode => mode
+       end
++      File.chmod($dir_mode, destination_dir)
+     end
++  end
+ 
+-    def initialize(spec, *options)
+-      super(spec.loaded_from, *options)
+-      @package.extend(DirPackage).spec = spec
+-    end
+-
++  class UnpackedInstaller < Gem::Installer
+     def write_cache_file
+     end
+ 
+@@ -890,7 +896,8 @@ def install_default_gem(dir, srcdir)
+     if File.directory?(ext = "#{gem_ext_dir}/#{spec.full_name}")
+       spec.extensions[0] ||= "-"
+     end
+-    ins = RbInstall::UnpackedInstaller.new(spec, options)
++    package = RbInstall::DirPackage.new spec
++    ins = RbInstall::UnpackedInstaller.new(package, options)
+     puts "#{INDENT}#{spec.name} #{spec.version}"
+     ins.install
+     File.chmod($data_mode, File.join(install_dir, "specifications", "#{spec.full_name}.gemspec"))
+-- 
+2.35.1
+