site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com #include <stdio.h> /* cc -ansi -Wall -O3 -arch i386 -DARCH_X86_64=0 main.c -o main-i386 cc -ansi -Wall -O2 -arch x86_64 -DARCH_X86_64=1 main.c -o main-x86_64 lipo -create -arch i386 main-i386 -arch x86_64 main-x86_64 -o main */ /* main.c */ int main(void) { #if ARCH_X86_64 puts("hello world 64!"); #else puts("hello world!"); #endif return 0; } /* EOF */ $ ./main-i386 hello world! $ ./main-x86_64 hello world 64! $ ./main hello world 64! ps or activity monitor or, as you have discovered, printf. Check the checkbox in finder, if it's a GUI application, or: man arch -- Terry _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.a... On Mar 7, 2008, at 5:06 PM, mm w wrote: 1 - is there a way to know which arch/img has been loaded? 2 - is it possible to force one arch to be loaded rather than the default one? This email sent to site_archiver@lists.apple.com