Actually, Clang supports most MSVC extensions. Here are links to two of Clang's test for __uuidof: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCX

Actually, Clang supports most MSVC extensions. Here are links to two of Clang's test for __uuidof: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-templ-uuidof.cpp?revision=213016&view=markup http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCX... http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-uuidof.cpp?revision=199250&view=markup http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCX...