I'm having the exact same problem. Did you solve it? For me it's critical to be able to create reusable libraries. /Johan -- View this message in context: http://mono.1490590.n4.nabble.com/NIB-files-in-non-executable-assemby-problem-tp4373821p4414241.html Sent from the Mono - OSX mailing list archive at Nabble.com.