add_library(test OBJECT ${
    
    SOURCES})
set_property(TARGET test PROPERTY POSITION_INDEPENDENT_CODE 1)
add_library(test_shared SHARED $<TARGET_OBJECTS:test>)
set_property(TARGET test_shared PROPERTY OUTPUT_NAME "test")
add_library(test_static STATIC $<TARGET_OBJECTS:test>)
set_property(TARGET test_static PROPERTY OUTPUT_NAME "test")

引用

• Is it possible to get CMake to build both a static and shared version of the same library?