1#include "c4/language.hpp" 2 3namespace c4 { 4namespace detail { 5 6#ifndef __GNUC__ 7void use_char_pointer(char const volatile* v) 8{ 9 C4_UNUSED(v); 10} 11#else 12void foo() {} // to avoid empty file warning from the linker 13#endif 14 15} // namespace detail 16} // namespace c4 17 18