[New Package] gtksharp2 (#5245)

packages/gtksharp2.rb

+require 'package'
+
+class Gtksharp2 < Package
+  description 'GTK2 bindings for mono'
+  homepage 'https://www.mono-project.com/GtkSharp'
+  version '2.12.45'
+  compatibility 'all'
+  source_url 'https://download.mono-project.com/sources/gtk-sharp212/gtk-sharp-2.12.45.tar.gz'
+  source_sha256 '02680578e4535441064aac21d33315daa009d742cab8098ac8b2749d86fffb6a'
+
+  depends_on 'mono'
+  depends_on 'libglade'
+  depends_on 'pango'
+  depends_on 'atk'
+  depends_on 'gtk2'
+  depends_on 'glib'
+
+  def self.patch
+    @ambiguousrange = <<~EOF
+      --- a/sample/test/TestRange.cs
+      +++ b/sample/test/TestRange.cs
+      @@ -10,6 +10,10 @@
+ 
+       using Gtk;
+ 
+      +// disambiguate, Gtk.Range vs System.Range
+      +using Range=Gtk.Range;
+      +
+      +
+       namespace WidgetViewer {
+ 
+        public class TestRange
+    EOF
+    IO.write("ambiguousrange.patch", @ambiguousrange)
+    system 'patch -p 1 -i ambiguousrange.patch'
+  end
+  
+  def self.build
+    system "./configure #{CREW_OPTIONS} \
+            --disable-maintainer-mode"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end