On OS X, does Objective-C compile to native code or byte-code?
Can Objective-C programs be compiled on Linux?
On OS X, does Objective-C compile to native code or byte-code? Can Objective-C programs
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On OS X, does Objective-C compile to native code or byte-code?
Can Objective-C programs be compiled on Linux?
Objective-C is compiled to native code by either GCC or LLVM[*]. You can compile ObjC programs on Linux (the generic GCC will happily support ObjC, though it uses a different runtime library than either of the Apple ones). For a cross-platform API similar to Cocoa (i.e. derived from Cocoa) which will happily work on Linux and let you port some code between OS X and Linux, check out GNUstep: http://www.gnustep.org
[*]In fact, LLVM internally compiles the Objective-C to an internal bitcode representation, then to code for the target machine, so perhaps the answer is ‘both’…