update lib

Author: wu-kan

librarian/lib/CMakeLists.txt

@@ -1,6 +1,6 @@
 foreach(lib sysy;sysu)
   file(GLOB mains ${lib}/*.cc)
-  add_library(${lib} ${mains})
+  add_library(${lib} SHARED ${mains})
   install(TARGETS ${lib})
   target_include_directories(${lib}
                              PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../include)