diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2fd6b3f..0dd5105 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 4.0.0)
+cmake_minimum_required(VERSION 3.12)
 project(libucore C)
 
 execute_process(COMMAND git -C ${CMAKE_SOURCE_DIR} describe --abbrev=5 --dirty --always OUTPUT_VARIABLE version_revision  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} OUTPUT_STRIP_TRAILING_WHITESPACE)
@@ -28,6 +28,12 @@ if (BUILD_SANITIZE)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")
 endif()
 
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build." FORCE)
+  # Set the property for multi-config generators as well, if applicable
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release RelWithDebInfo MinSizeRel)
+endif()
+
 include_directories(include)
 
 add_subdirectory(src)
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 6b3e795..6e9f79b 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,14 +1,15 @@
 file(GLOB TEST_SOURCE_FILES test_*.c)
 
+link_libraries(check ucore Threads::Threads)
 if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     include_directories("/opt/homebrew/include")
     link_directories("/opt/homebrew/lib")
     list(REMOVE_ITEM TEST_SOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/test_ringbuf.c)
 else()
-    target_link_libraries(rt)
+    link_libraries(rt)
 endif()
+
 add_executable(test_runner ${TEST_SOURCE_FILES})
-target_link_libraries(test_runner check ucore PRIVATE Threads::Threads)
 
 add_custom_target(test COMMAND test_runner
                        DEPENDS test_runner