$OpenBSD: patch-3rdparty_asio_include_asio_detail_config_hpp,v 1.2 2019/02/28 12:20:33 fcambus Exp $

libc++ 7.x moved string_view out of experimental

Index: 3rdparty/asio/include/asio/detail/config.hpp
--- 3rdparty/asio/include/asio/detail/config.hpp.orig
+++ 3rdparty/asio/include/asio/detail/config.hpp
@@ -713,9 +713,8 @@
 #      define ASIO_HAS_STD_STRING_VIEW 1
 #     endif
 #    endif
-#    if !defined(ASIO_HAS_STD_STRING_VIEW) && __has_include(<experimental/string_view>)
+#    if !defined(ASIO_HAS_STD_STRING_VIEW) && __has_include(<string_view>)
 #     define ASIO_HAS_STD_STRING_VIEW 1
-#     define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
 #    endif // __has_include(<experimental/string_view>)
 #   endif // (__cplusplus >= 201103)
 #  endif // defined(__clang__)
