I actually am using CLANG to compile it (LLVM 4.1). I still don't understand why if I "#include <stdint>" in the main it doesn't give me an error whereas the same instruction in "decimal.h" give me a "cstdint file not found"... ----- Federico Pirovano -- View this message in context: http://gcc.1065356.n5.nabble.com/Problems-with-decimal-decimal-header-on-OS-X-tp902209p902356.html Sent from the gcc - Help mailing list archive at Nabble.com.