          err = errs[id];
        }
 diff --git a/vio/CMakeLists.txt b/vio/CMakeLists.txt
-index 497ab98396c..a6cf2a647a6 100644
+index d44eebce63a..975bc878e17 100644
 --- a/vio/CMakeLists.txt
 +++ b/vio/CMakeLists.txt
-@@ -25,6 +25,7 @@ SET(VIO_SOURCES
+@@ -27,6 +27,7 @@ SET(VIO_SOURCES
    viosocket.cc
    viossl.cc
    viosslfactories.cc

 };
 
 /**
@@ -449,4 +451,20 @@ struct Vio {
 #define SSL_handle void *
 #endif
 

 OPTION(ENABLED_PROFILING "Enable profiling" ON)
 OPTION(WITHOUT_SERVER OFF)
 IF(UNIX)
@@ -1348,6 +1349,10 @@ IF(NOT WITHOUT_SERVER AND WITH_UNIT_TESTS)
   TARGET_LINK_LIBRARIES(server_unittest_library ${ICU_LIBRARIES})
 ENDIF()
 
+IF (FUZZING)
