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【待合】简化library下的通用构建文件

master
Lizongdi 4 days ago
parent
45d4f70dac
commit
bc5df871f3
1 changed files with 112 additions and 168 deletions
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  1. 280
      library/CMakeLists.txt

280
library/CMakeLists.txt
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@ -3,105 +3,86 @@ cmake_minimum_required(VERSION 3.10)
get_filename_component(TARGET_NAME ${CMAKE_CURRENT_SOURCE_DIR} NAME)
string(TOUPPER ${TARGET_NAME} TARGET_NAME_UPPER)
if(DEFINED BUILD_${TARGET_NAME_UPPER}_HAS_TEST)
set(MY_HAS_TEST ${BUILD_${TARGET_NAME_UPPER}_HAS_TEST})
else()
set(MY_HAS_TEST OFF)
endif()
if(MY_HAS_TEST)
option(BUILD_${TARGET_NAME_UPPER}_STANDALONE "Build ${TARGET_NAME_UPPER} as a standalone executable" OFF)
# mark_as_advanced(BUILD_${TARGET_NAME_UPPER}_STANDALONE)
# ─── Test / Standalone 选项 ───────────────────────────────────────────
if(BUILD_${TARGET_NAME_UPPER}_HAS_TEST)
option(BUILD_${TARGET_NAME_UPPER}_STANDALONE
"Build ${TARGET_NAME_UPPER} as a standalone executable" OFF)
endif()
set(FINAL_MODULE_SRCS "")
set(FLAT_SRC_DIR "${CMAKE_BINARY_DIR}/flat_sources/${TARGET_NAME}")
set(NEED_FLATTEN FALSE)
# ─── 判断顶层独立构建 vs 子模块嵌入 ─────────────────────────────────
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
set(IS_TOP_LEVEL TRUE)
message(STATUS "[${TARGET_NAME}] Detected Top-Level Project. Enabling recursive flatten build.")
message(STATUS "[${TARGET_NAME}] Top-level project — enabling recursive flatten build.")
set(NEED_FLATTEN TRUE)
else()
set(IS_TOP_LEVEL FALSE)
file(GLOB ALL_C_FILES "*.c")
set(MODULE_SRCS "")
foreach(SRC_FILE ${ALL_C_FILES})
get_filename_component(FILE_NAME ${SRC_FILE} NAME)
if(FILE_NAME MATCHES ".*~$" OR FILE_NAME MATCHES "\\.bak$" OR FILE_NAME MATCHES "\\.swp$")
continue()
else()
list(APPEND MODULE_SRCS ${SRC_FILE})
endif()
endforeach()
set(FINAL_MODULE_SRCS ${MODULE_SRCS})
set(NEED_FLATTEN FALSE)
endif()
# ─── 收集源文件 ──────────────────────────────────────────────────────
if(NOT NEED_FLATTEN)
file(GLOB MODULE_SRCS CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
# 过滤编辑器临时文件
list(FILTER MODULE_SRCS EXCLUDE REGEX ".*[~]$|.*\\.bak$|.*\\.swp$")
endif()
# ─── 顶层构建: 扁平化拷贝所有源文件 ─────────────────────────────────
if(NEED_FLATTEN)
message(STATUS "[${TARGET_NAME}] Searching for files in: ${CMAKE_CURRENT_SOURCE_DIR}")
set(FLAT_SRC_DIR "${CMAKE_BINARY_DIR}/flat_sources/${TARGET_NAME}")
file(GLOB_RECURSE ALL_SOURCE_FILES
CONFIGURE_DEPENDS
file(GLOB_RECURSE ALL_SOURCE_FILES CONFIGURE_DEPENDS
"${CMAKE_CURRENT_SOURCE_DIR}/*.c"
"${CMAKE_CURRENT_SOURCE_DIR}/*.h"
)
set(FILTERED_SOURCE_FILES "")
# 过滤: 构建目录 / CMake 内部文件 / 编辑器临时文件
set(FILTERED_FILES "")
foreach(SRC_FILE ${ALL_SOURCE_FILES})
get_filename_component(ABS_FILE ${SRC_FILE} ABSOLUTE)
get_filename_component(FILE_NAME ${SRC_FILE} NAME)
if(ABS_FILE MATCHES "^${CMAKE_BINARY_DIR}")
continue()
endif()
get_filename_component(FILE_NAME ${SRC_FILE} NAME)
if(FILE_NAME MATCHES "CMakeCCompilerId\\.c$" OR FILE_NAME MATCHES "CMakeTmp")
if(FILE_NAME MATCHES "CMakeCCompilerId\\.c$|CMakeTmp")
continue()
endif()
if(FILE_NAME MATCHES ".*~$" OR FILE_NAME MATCHES "\\.bak$" OR FILE_NAME MATCHES "\\.swp$")
if(FILE_NAME MATCHES "[~]$|\\.bak$|\\.swp$")
continue()
endif()
list(APPEND FILTERED_SOURCE_FILES ${SRC_FILE})
list(APPEND FILTERED_FILES ${SRC_FILE})
endforeach()
set(ALL_SOURCE_FILES ${FILTERED_SOURCE_FILES})
list(LENGTH ALL_SOURCE_FILES FILE_COUNT)
message(STATUS "[${TARGET_NAME}] Found ${FILE_COUNT} valid files after filtering.")
if(NOT ALL_SOURCE_FILES)
message(FATAL_ERROR "[${TARGET_NAME}] No valid source files found after filtering.")
list(LENGTH FILTERED_FILES FILE_COUNT)
message(STATUS "[${TARGET_NAME}] Found ${FILE_COUNT} valid files after filtering.")
if(NOT FILTERED_FILES)
message(FATAL_ERROR "[${TARGET_NAME}] No valid source files found.")
endif()
set(FLAT_SRCS_LIST "")
# 将所有文件拷贝到 flat 目录（避免同名冲突）
set(FLAT_SRCS "")
set(COPY_COMMANDS "")
foreach(SRC_FILE ${ALL_SOURCE_FILES})
foreach(SRC_FILE ${FILTERED_FILES})
get_filename_component(FILE_NAME ${SRC_FILE} NAME)
get_filename_component(FILE_EXT ${SRC_FILE} EXT)
get_filename_component(FILE_EXT ${SRC_FILE} EXT)
set(DEST_FILE "${FLAT_SRC_DIR}/${FILE_NAME}")
if(EXISTS "${DEST_FILE}")
message(WARNING "[${TARGET_NAME}] Filename conflict: '${FILE_NAME}'. Skipping ${SRC_FILE}.")
continue()
message(WARNING "[${TARGET_NAME}] Filename conflict: '${FILE_NAME}', skipping ${SRC_FILE}")
continue()
endif()
list(APPEND COPY_COMMANDS
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${SRC_FILE} ${DEST_FILE}
)
if(FILE_EXT STREQUAL ".c")
list(APPEND FLAT_SRCS_LIST ${DEST_FILE})
list(APPEND FLAT_SRCS ${DEST_FILE})
endif()
endforeach()
set(FINAL_MODULE_SRCS ${FLAT_SRCS_LIST})
if(NOT FINAL_MODULE_SRCS)
message(FATAL_ERROR "[${TARGET_NAME}] No .c files found to compile!")
if(NOT FLAT_SRCS)
message(FATAL_ERROR "[${TARGET_NAME}] No .c files to compile!")
endif()
add_custom_target(${TARGET_NAME}_flatten_sources
@ -109,161 +90,124 @@ if(NEED_FLATTEN)
COMMENT "[${TARGET_NAME}] Flattening sources..."
BYPRODUCTS ${FLAT_SRC_DIR}
)
set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${FLAT_SRC_DIR}")
endif()
set(MODULE_SRCS ${FINAL_MODULE_SRCS})
if(NOT MODULE_SRCS AND NOT NEED_FLATTEN)
if(NOT IS_TOP_LEVEL)
message(STATUS "[${TARGET_NAME}] No source files found. Creating INTERFACE (header-only) library.")
add_library(${TARGET_NAME} INTERFACE)
set(INTERFACE_INCLUDES "")
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/include")
list(APPEND INTERFACE_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/include")
endif()
if(EXISTS "${PROJECT_SOURCE_DIR}/include/${TARGET_NAME}")
list(APPEND INTERFACE_INCLUDES "${PROJECT_SOURCE_DIR}/include/${TARGET_NAME}")
endif()
if(EXISTS "${PROJECT_SOURCE_DIR}/include")
list(APPEND INTERFACE_INCLUDES "${PROJECT_SOURCE_DIR}/include")
endif()
target_include_directories(${TARGET_NAME} INTERFACE ${INTERFACE_INCLUDES})
message(STATUS "[${TARGET_NAME}] INTERFACE includes: ${INTERFACE_INCLUDES}")
return()
endif()
set(MODULE_SRCS ${FLAT_SRCS})
set_source_files_properties(${MODULE_SRCS} PROPERTIES GENERATED TRUE)
endif()
set(EXPLICIT_STANDALONE OFF)
if(DEFINED BUILD_${TARGET_NAME_UPPER}_STANDALONE AND BUILD_${TARGET_NAME_UPPER}_STANDALONE)
set(EXPLICIT_STANDALONE ON)
endif()
# ─── 无源文件时创建 header-only INTERFACE 库 ────────────────────────
if(NOT MODULE_SRCS AND NOT IS_TOP_LEVEL)
message(STATUS "[${TARGET_NAME}] No source files — creating INTERFACE (header-only) library.")
add_library(${TARGET_NAME} INTERFACE)
set(IMPLICIT_STANDALONE OFF)
if(IS_TOP_LEVEL AND DEFINED MAIN AND MAIN)
set(IMPLICIT_STANDALONE ON)
set(INTERFACE_INCLUDES "")
foreach(inc
"${CMAKE_CURRENT_SOURCE_DIR}/include"
"${PROJECT_SOURCE_DIR}/include/${TARGET_NAME}"
"${PROJECT_SOURCE_DIR}/include"
)
if(EXISTS "${inc}")
list(APPEND INTERFACE_INCLUDES "${inc}")
endif()
endforeach()
target_include_directories(${TARGET_NAME} INTERFACE ${INTERFACE_INCLUDES})
message(STATUS "[${TARGET_NAME}] INTERFACE includes: ${INTERFACE_INCLUDES}")
return()
endif()
if(EXPLICIT_STANDALONE OR IMPLICIT_STANDALONE)
# ─── 判断是否构建独立可执行文件 ─────────────────────────────────────
set(SHOULD_BUILD_EXECUTABLE FALSE)
if(BUILD_${TARGET_NAME_UPPER}_STANDALONE)
set(SHOULD_BUILD_EXECUTABLE TRUE)
elseif(IS_TOP_LEVEL AND MAIN)
set(SHOULD_BUILD_EXECUTABLE TRUE)
else()
set(SHOULD_BUILD_EXECUTABLE FALSE)
endif()
if(NEED_FLATTEN AND FINAL_MODULE_SRCS)
set_source_files_properties(${FINAL_MODULE_SRCS} PROPERTIES GENERATED TRUE)
endif()
# ─── 创建目标 ────────────────────────────────────────────────────────
if(SHOULD_BUILD_EXECUTABLE)
set(CURRENT_TARGET_NAME ${TARGET_NAME})
add_executable(${CURRENT_TARGET_NAME} ${MODULE_SRCS})
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
target_compile_definitions(${CURRENT_TARGET_NAME} PUBLIC DEBUG)
endif()
target_compile_definitions(${TARGET_NAME} PRIVATE ${GLOBAL_ENABLED_MACROS})
if(NEED_FLATTEN)
add_dependencies(${CURRENT_TARGET_NAME} ${TARGET_NAME}_flatten_sources)
target_include_directories(${CURRENT_TARGET_NAME} PRIVATE ${FLAT_SRC_DIR})
endif()
target_compile_definitions(${CURRENT_TARGET_NAME} PRIVATE MAIN STANDALONE_BUILD)
set_target_properties(${CURRENT_TARGET_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output)
message(STATUS "[${TARGET_NAME}] Building Standalone: ${CURRENT_TARGET_NAME} (Sources count: ${MODULE_SRCS})")
add_executable(${TARGET_NAME} ${MODULE_SRCS})
target_compile_definitions(${TARGET_NAME} PRIVATE MAIN STANDALONE_BUILD)
set_target_properties(${TARGET_NAME} PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output
)
else()
set(CURRENT_TARGET_NAME ${TARGET_NAME})
if(MY_BUILD_STATIC)
add_library(${TARGET_NAME} STATIC ${MODULE_SRCS})
elseif(MY_BUILD_SHARED_LIBS)
add_library(${TARGET_NAME} SHARED ${MODULE_SRCS})
else()
if(A_BUILD_MAIN_AS_STATIC_LIB)
add_library(${TARGET_NAME} OBJECT ${MODULE_SRCS})
else()
add_library(${TARGET_NAME} SHARED ${MODULE_SRCS})
endif()
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
target_compile_definitions(${TARGET_NAME} PUBLIC DEBUG)
endif()
target_compile_definitions(${TARGET_NAME} PRIVATE ${GLOBAL_ENABLED_MACROS})
if(NEED_FLATTEN)
add_dependencies(${CURRENT_TARGET_NAME} ${TARGET_NAME}_flatten_sources)
target_include_directories(${CURRENT_TARGET_NAME} PRIVATE ${FLAT_SRC_DIR})
add_library(${TARGET_NAME} OBJECT ${MODULE_SRCS})
endif()
set_target_properties(${TARGET_NAME} PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output
LIBRARY_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output
)
endif()
set(MY_PUBLIC_INCLUDES "")
message(STATUS "[${TARGET_NAME}] Configured target: ${TARGET_NAME} (Sources: ${MODULE_SRCS})")
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/include")
list(APPEND MY_PUBLIC_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/include")
message(STATUS "[${TARGET_NAME}] Found local include: ${CMAKE_CURRENT_SOURCE_DIR}/include")
# ─── Flatten 依赖 ────────────────────────────────────────────────────
if(NEED_FLATTEN)
add_dependencies(${TARGET_NAME} ${TARGET_NAME}_flatten_sources)
target_include_directories(${TARGET_NAME} PRIVATE ${FLAT_SRC_DIR})
endif()
if(EXISTS "${PROJECT_SOURCE_DIR}/include/${TARGET_NAME}")
list(APPEND MY_PUBLIC_INCLUDES "${PROJECT_SOURCE_DIR}/include/${TARGET_NAME}")
message(STATUS "[${TARGET_NAME}] Found global sub-include: ${PROJECT_SOURCE_DIR}/include/${TARGET_NAME}")
endif()
# ─── 编译宏定义 ─────────────────────────────────────────────────────
target_compile_definitions(${TARGET_NAME}
PRIVATE ${GLOBAL_ENABLED_MACROS}
$<$<CONFIG:Debug>:DEBUG>
)
if(EXISTS "${PROJECT_SOURCE_DIR}/include")
list(APPEND MY_PUBLIC_INCLUDES "${PROJECT_SOURCE_DIR}/include")
message(STATUS "[${TARGET_NAME}] Found global root include: ${PROJECT_SOURCE_DIR}/include")
endif()
# ─── Include 目录 ────────────────────────────────────────────────────
set(MY_PUBLIC_INCLUDES "")
foreach(inc
"${CMAKE_CURRENT_SOURCE_DIR}/include"
"${PROJECT_SOURCE_DIR}/include/${TARGET_NAME}"
"${PROJECT_SOURCE_DIR}/include"
)
if(EXISTS "${inc}")
list(APPEND MY_PUBLIC_INCLUDES "${inc}")
message(STATUS "[${TARGET_NAME}] Found include: ${inc}")
endif()
endforeach()
if(NOT MY_PUBLIC_INCLUDES)
if(NEED_FLATTEN)
list(APPEND MY_PUBLIC_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}")
else()
list(APPEND MY_PUBLIC_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
message(STATUS "[${TARGET_NAME}] Fallback to source dir: ${CMAKE_CURRENT_SOURCE_DIR}")
list(APPEND MY_PUBLIC_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}")
message(STATUS "[${TARGET_NAME}] Fallback include: source dir")
endif()
target_include_directories(${CURRENT_TARGET_NAME}
PUBLIC ${MY_PUBLIC_INCLUDES}
target_include_directories(${TARGET_NAME}
PUBLIC ${MY_PUBLIC_INCLUDES}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(${CURRENT_TARGET_NAME}
PRIVATE m
)
# ─── 链接依赖 ────────────────────────────────────────────────────────
target_link_libraries(${TARGET_NAME} PRIVATE m)
string(TOLOWER "${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(${CURRENT_TARGET_NAME}
PUBLIC Threads::Threads
target_link_libraries(${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(${TARGET_NAME} PRIVATE rt)
endif()
endif()
target_compile_options(${CURRENT_TARGET_NAME}
PRIVATE
-Wall
-Werror
$<$<CONFIG:Debug>:-g -O0>
$<$<CONFIG:Release>:-O2>
-ffunction-sections -fdata-sections
# ─── 编译选项 ────────────────────────────────────────────────────────
target_compile_options(${TARGET_NAME} PRIVATE
-Wall -Werror
-ffunction-sections -fdata-sections
$<$<CONFIG:Debug>:-g -O0>
$<$<CONFIG:Release>:-O2>
)
target_link_options(${CURRENT_TARGET_NAME}
PRIVATE
-Wl,--gc-sections
$<$<CONFIG:Release>:-s>
target_link_options(${TARGET_NAME} PRIVATE
-Wl,--gc-sections
$<$<CONFIG:Release>:-s>
)
message(STATUS "[${TARGET_NAME}] Configured target: ${CURRENT_TARGET_NAME}")
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