dcmtk: added --install-all option

The "--install-all" option also installs the developer
documentation and header files.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/dcmtk.rb

@@ -4,9 +4,13 @@ class Dcmtk < Formula
   homepage 'http://dicom.offis.de/dcmtk.php.en'
   url 'ftp://dicom.offis.de/pub/dicom/offis/software/dcmtk/dcmtk360/dcmtk-3.6.0.tar.gz'
   md5 '19409e039e29a330893caea98715390e'
-  version '3.6.0'
 
   depends_on 'libtiff'
+  depends_on 'doxygen' if ARGV.include? '--install-all'
+
+  def options
+    [['--install-all', 'Install development libraries/headers and HTML docs']]
+  end
 
   def install
     ENV.deparallelize
@@ -16,6 +20,10 @@ class Dcmtk < Formula
                           "--prefix=#{prefix}",
                           "--disable-threads"
     system "make all"
-    system "make install"
+    if ARGV.include? '--install-all'
+      system "make install-all"
+    else
+      system "make install"
+    end
   end
 end