site_archiver@lists.apple.com Delivered-To: Darwin-dev@lists.apple.com User-agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090707) On Oct 4, 2009, at 11:40 AM, Mario Emmenlauer wrote: we would like to move our development to 10.6 Snow Leopard, and use gcc-4.2, while keeping target MacOS 10.5 Leopard. Is it a problem to run an application compiled with gcc-4.2 on Leopard? The combination "-arch i386 -arch x86_64" works fine when compiling on 10.5, are you sure removing "-arch x86_64" is required when targeting 10.5 from 10.6? Cheers, Mario _______________________________________________ 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... Joel Reymont wrote: I think you also need --target=i386-apple-darwin8.0.0 and -arch i386. This email sent to site_archiver@lists.apple.com