【待合】简化main下的构建文件

main/CMakeLists.txt

@@ -4,65 +4,62 @@ get_filename_component(TARGET_NAME ${CMAKE_CURRENT_SOURCE_DIR} NAME)
 
 option(A_BUILD_MAIN_AS_STATIC_LIB "Build as a static library instead of an executable" OFF)
 
-set(MAIN_SRCS
+# ─── 创建目标 ────────────────────────────────────────────────────────
-    main.c
-)
-
-if(A_BUILD_MAIN_AS_STATIC_LIB)
-    add_library(${TARGET_NAME} STATIC ${MAIN_SRCS})
-else()
-    add_executable(${TARGET_NAME} ${MAIN_SRCS})
-endif()
-
-if(CMAKE_BUILD_TYPE STREQUAL "Debug")
-    target_compile_definitions(${TARGET_NAME} PRIVATE DEBUG)
-endif()
-
 if(A_BUILD_MAIN_AS_STATIC_LIB)
+    add_library(${TARGET_NAME} STATIC main.c)
     set_target_properties(${TARGET_NAME} PROPERTIES
         ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output
     )
 else()
+    add_executable(${TARGET_NAME} main.c)
     set_target_properties(${TARGET_NAME} PROPERTIES
         RUNTIME_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output
     )
 endif()
 
+# ─── 编译宏定义 ─────────────────────────────────────────────────────
+target_compile_definitions(${TARGET_NAME} PRIVATE
+    $<$<CONFIG:Debug>:DEBUG>
+    ${GLOBAL_ENABLED_MACROS}
+)
+
+# ─── Include 目录 ────────────────────────────────────────────────────
 target_include_directories(${TARGET_NAME}
-    PRIVATE
+    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
-        ${CMAKE_CURRENT_SOURCE_DIR}
 )
 
+# ─── 链接模块 ────────────────────────────────────────────────────────
+if(GLOBAL_ENABLED_MODULES)
+    message(STATUS "[Main] Linking modules: ${GLOBAL_ENABLED_MODULES}")
+    target_link_libraries(${TARGET_NAME} PUBLIC ${GLOBAL_ENABLED_MODULES})
+else()
+    message(STATUS "[Main] No additional modules linked.")
+endif()
+
+# ─── 平台链接依赖 ───────────────────────────────────────────────────
 string(TOLOWER "${CMAKE_SYSTEM_NAME}" SYSTEM_NAME_LOWER)
 if(CMAKE_CROSSCOMPILING AND NOT SYSTEM_NAME_LOWER MATCHES "linux|windows|darwin|android")
-    message(STATUS ">>> 检测到裸机/RTOS 环境 (${CMAKE_SYSTEM_NAME})，屏蔽 pthread。")
+    message(STATUS ">>> 裸机/RTOS 环境 (${CMAKE_SYSTEM_NAME})，屏蔽 pthread")
 else()
     find_package(Threads REQUIRED)
-    target_link_libraries(${CURRENT_TARGET_NAME}
+    target_link_libraries(${TARGET_NAME}
         PUBLIC  Threads::Threads
         PRIVATE ${CMAKE_DL_LIBS}
     )
     if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
-    target_link_libraries(${CURRENT_TARGET_NAME} PRIVATE rt)
+        target_link_libraries(${TARGET_NAME} PRIVATE rt)
     endif()
 endif()
 
-if(DEFINED GLOBAL_ENABLED_MODULES AND NOT GLOBAL_ENABLED_MODULES STREQUAL "")
+# ─── 编译选项 ────────────────────────────────────────────────────────
-    message(STATUS "[Main] Linking modules: ${GLOBAL_ENABLED_MODULES}")
+target_compile_options(${TARGET_NAME} PRIVATE
-    target_link_libraries(${TARGET_NAME} PUBLIC ${GLOBAL_ENABLED_MODULES})
+    -Wall -Werror
-else()
+    -ffunction-sections -fdata-sections
-    message(STATUS "[Main] No additional modules linked.")
-endif()
-
-if(DEFINED GLOBAL_ENABLED_MACROS AND NOT GLOBAL_ENABLED_MACROS STREQUAL "")
-    message(STATUS "[Main] Defining macros: ${GLOBAL_ENABLED_MACROS}")
-    target_compile_definitions(${TARGET_NAME} PUBLIC ${GLOBAL_ENABLED_MACROS})
-endif()
-
-target_compile_options(${TARGET_NAME}
-    PRIVATE
-        -Wall
-        -Werror
     $<$<CONFIG:Debug>:-g -O0>
     $<$<CONFIG:Release>:-O2>
 )
+
+target_link_options(${TARGET_NAME} PRIVATE
+    -Wl,--gc-sections
+    $<$<CONFIG:Release>:-s>
+)