clang main.m -fobjc-arc -fmodules -mmacosx-version-min=10.6 -o main
/// Questo รจ quello giusto
clang -framework Foundation MyHeader.m main.m -o prog
clang main.m -fobjc-arc -fmodules -mmacosx-version-min=10.6 -o main
/// Questo รจ quello giusto
clang -framework Foundation MyHeader.m main.m -o prog