Bug#23228287 LINKING ERROR ON OS X: XPLUGIN NEEDS UNBUILT LIBEVENT.A

Move the flag EXCLUDE_FROM_ALL to the libevent target.
Remove the SHARED version of libevent, since it is not in use.

Change-Id: I5bd6466516a0e4ea5f711cad8c21348dc039a6db
(cherry picked from commit 1f27b6a6608bc8ac84074483013c2423dd3d9677)

cmake/libevent.cmake

@@ -19,9 +19,7 @@ MACRO (MYSQL_USE_BUNDLED_LIBEVENT)
   SET(LIBEVENT_FOUND  TRUE)
   ADD_DEFINITIONS("-DHAVE_LIBEVENT1")
   SET(WITH_LIBEVENT "bundled" CACHE STRING "Use bundled libevent")
-  # Use EXCLUDE_FROM_ALL to build only if another component
-  # which dependens on libevent is built
-  ADD_SUBDIRECTORY(libevent EXCLUDE_FROM_ALL)
+  ADD_SUBDIRECTORY(libevent)
   GET_TARGET_PROPERTY(src libevent SOURCES)
   FOREACH(file ${src})
     SET(LIBEVENT_SOURCES ${LIBEVENT_SOURCES} ${CMAKE_SOURCE_DIR}/libevent/${file})

libevent/CMakeLists.txt

@@ -89,5 +89,8 @@ IF(MSVC)
   ADD_COMPILE_FLAGS(${LIBEVENT_ALL_SRC} COMPILE_FLAGS "/wd4005 /wd4267 /wd4244")
 ENDIF()
 
-ADD_LIBRARY(event_share SHARED ${LIBEVENT_ALL_SRC})
 ADD_LIBRARY(event STATIC ${LIBEVENT_ALL_SRC})
+
+# Use EXCLUDE_FROM_ALL to build only if another component
+# which dependens on libevent is built
+SET_PROPERTY(TARGET event PROPERTY EXCLUDE_FROM_ALL TRUE)