/*
- * Copyright 2017-present Facebook, Inc.
+ * Copyright 2011-present Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#define FOLLY_CPP14_CONSTEXPR inline
#endif
-#if __cpp_coroutines >= 201703L || (_MSC_VER && _RESUMABLE_FUNCTIONS_SUPPORTED)
+#if __cpp_coroutines >= 201703L && FOLLY_HAS_INCLUDE(<experimental/coroutine>)
+#define FOLLY_HAS_COROUTINES 1
+#elif _MSC_VER && _RESUMABLE_FUNCTIONS_SUPPORTED
#define FOLLY_HAS_COROUTINES 1
#endif