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cmake_minimum_required(VERSION 3.10)
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get_filename_component(TARGET_NAME "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
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set(COMMON_CMAKE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt")
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if(EXISTS ${COMMON_CMAKE_PATH})
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include(${COMMON_CMAKE_PATH})
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else()
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message(FATAL_ERROR "Cannot find common build logic at ${COMMON_CMAKE_PATH}")
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endif()
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# 每次构建重新生成 build_time.h（custom target 永远过期），
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# 保证 common.c 因头文件内容/时间变化而重新编译，Rd_GetBuildTime() 拿到最新时间。
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set(BUILD_TIME_HEADER "${CMAKE_CURRENT_BINARY_DIR}/build_time.h")
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add_custom_target(GenBuildTime
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COMMAND ${CMAKE_COMMAND}
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"-DOUTPUT=${BUILD_TIME_HEADER}"
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-P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/gen_build_time.cmake"
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BYPRODUCTS "${BUILD_TIME_HEADER}"
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COMMENT "[${TARGET_NAME}] Generating build_time.h"
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VERBATIM
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)
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add_dependencies(${TARGET_NAME} GenBuildTime)
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target_include_directories(${TARGET_NAME} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
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