1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <thread> 11 12 // #define __STDCPP_THREADS__ __cplusplus 13 14 #include <thread> 15 16 int main() 17 { 18 #ifndef __STDCPP_THREADS__ 19 #error __STDCPP_THREADS__ is not defined 20 #endif 21 } 22