site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com On Aug 28, 2009, at 11:43 PM, rohan a wrote: Now with the 10.6 Snow Leopard kernel being full 64-bit, will it require all applications to also be 64-bit ?Our application does not need to address > 4GB memory. We had developed a 32-bit application for Mac OS X 10.4 and 10.5. Would the same work on 10.6 without any changes or would it require to be recompiled for 64-bit ? No, you don't have to recompile, your 32-bit app should just work. Yes, it does Vincent _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... I'm not I have seen straight answers to Rohan's question in this thread... In SnowLeopard, the 64-bit kernel supports 32-bit and 64-bit processes just as the 32-bit kernel does. Will Mac OS X gcc compiler on Snow Leopard natively build 64-bit binaries ? This email sent to site_archiver@lists.apple.com