使用cmake find_package来规范化引入依赖

CMakeLists.txt

@@ -17,6 +17,13 @@ target_link_libraries(generallib public
         libevent.a
         -Wl,--no-whole-archive
 )
+find_package(libevent REQUIRED)
+set(EVENT__HAVE_LIBEVENT 1)
+
+message(STATUS "libevent include: ${libevent_INCLUDE_DIR}")
+message(STATUS "libevent lib: ${libevent_LIBRARIES}")
+message(STATUS "libevent lib Dirs: ${libevent_LIB_DIRS}")
+
 message("current path is" ${CMAKE_CURRENT_SOURCE_DIR})
 IF (WIN32)
     if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
@@ -29,7 +36,6 @@ IF (WIN32)
                 ${CMAKE_CURRENT_SOURCE_DIR}/libd/libevent.a 
                 COMMENT "package library  ar -x ${CMAKE_CURRENT_SOURCE_DIR}/libd/libevent.a " 
         )
-
         add_custom_command (
                 TARGET generallib POST_BUILD
                 COMMAND  ar rc libgeneral.a  *.obj