Set CMAKE_CXX_VISIBILITY_PRESET and 3. VISIBILITY_INLINES_HIDDEN when build shared lib

CMakeLists.txt

@@ -242,6 +242,10 @@ if (BUILD_SHARED_LIBS)
     endif ()
     add_library(spdlog SHARED ${VERSION_RC})
     target_compile_definitions(spdlog PUBLIC SPDLOG_SHARED_LIB)
+    set_target_properties(spdlog PROPERTIES
+            CXX_VISIBILITY_PRESET hidden
+            VISIBILITY_INLINES_HIDDEN ON)
+
     if (MSVC)
         # disable dlls related warnings on msvc
         target_compile_options(spdlog PUBLIC $<$<AND:$<CXX_COMPILER_ID:MSVC>,$<NOT:$<COMPILE_LANGUAGE:CUDA>>>:/wd4251