Always define FOLLY_HAS_COROUTINES

Summary: To enable building with -Werror,-Wundef. Reviewed By: guangyfb Differential Revision: D18850905 fbshipit-source-id: 95555781fec991eac119c95a6a6cd7751b5ba742

Always define FOLLY_HAS_COROUTINES
Summary: To enable building with -Werror,-Wundef. Reviewed By: guangyfb Differential Revision: D18850905 fbshipit-source-id: 95555781fec991eac119c95a6a6cd7751b5ba742
c7dd6097 · Zoltán Gilián · Facebook Github Bot · 0006ae95 · c7dd6097
Commit c7dd6097 authored Dec 09, 2019 by Zoltán Gilián Committed by Facebook Github Bot Dec 09, 2019
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folly/Portability.h folly/Portability.h +4 -0

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--- a/folly/Portability.h
+++ b/folly/Portability.h
@@ -507,6 +507,10 @@ constexpr auto kCpplibVer = 0;
 #endif
 #endif // __cplusplus >= 201703L

+#ifndef FOLLY_HAS_COROUTINES
+#define FOLLY_HAS_COROUTINES 0
+#endif
+
 // MSVC 2017.5 && C++17
 #if __cpp_noexcept_function_type >= 201510 || \
    (_MSC_FULL_VER >= 191225816 && _MSVC_LANG > 201402)