Also add some patches to remove use of deprecated symbols and fix other problems when looking for or compiling against libpng-1.4.x.
It should not be used, because of conflict with pkg_alternatives. Include lang/ruby/buildlink3.mk with BUILDLINK_DEPMETHOD=build instead. While here convert custom REPLACE interpreter for ruby to REPlACE_RUBY defined in lang/ruby/replace.mk.
liblastfm is a collection of libraries to help you integrate Last.fm services into your rich desktop software.