Create atkmm.rb (#1819)

packages/atkmm.rb

+require 'package'
+
+class Atkmm < Package
+  description 'Atkmm is the official C++ interface for the ATK accessibility toolkit library.'
+  homepage 'https://www.gtkmm.org/'
+  version '2.24.2'
+  source_url 'https://ftp.gnome.org/pub/gnome/sources/atkmm/2.24/atkmm-2.24.2.tar.xz'
+  source_sha256 'ff95385759e2af23828d4056356f25376cfabc41e690ac1df055371537e458bd'
+
+  depends_on 'atk'
+  depends_on 'glibmm'
+
+  def self.build
+    # fix the documents directory name
+    system "sed -e '/^libdocdir =/ s/$(book_name)/atkmm-2.24.2/' \
+    -i doc/Makefile.in"
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+ end
+
+end