Disable Boost.Coroutine deprecation warning

CHANGELOG.md

@@ -4,6 +4,9 @@
 * Implement the Asio deallocation-before-invocation guarantee
 * Add handler helpers
 * Avoid copies in handler_alloc
+* Update README.md example programs
+* Fix websocket stream read documentation
+* Disable Boost.Coroutine deprecation warning
 
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CMakeLists.txt

@@ -36,6 +36,8 @@ else()
       "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wpedantic -Wno-unused-parameter")
 endif()
 
+add_definitions ("-DBOOST_COROUTINES_NO_DEPRECATION_WARNING")
+
 if (APPLE AND NOT DEFINED ENV{OPENSSL_ROOT_DIR})
   find_program(HOMEBREW brew)
   if (NOT HOMEBREW STREQUAL "HOMEBREW-NOTFOUND")