83 lines
2.8 KiB
CMake
83 lines
2.8 KiB
CMake
# ============================================
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# Windows DLL 复制脚本
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# ============================================
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# 此脚本通过include()调用，在构建时执行，用于复制DLL文件到可执行文件目录
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# 需要预先设置变量：DLL_LIST 和 TARGET_DIR
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# 检查必需参数（应由调用者设置）
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if(NOT DEFINED TARGET_DIR)
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message(FATAL_ERROR "Required parameter: TARGET_DIR (should be set by caller)")
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endif()
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# 处理DLL列表
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if(DEFINED DLL_LIST AND DLL_LIST)
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# 统计实际需要复制的文件数
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set(COPIED_COUNT 0)
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set(COPIED_FILES "")
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foreach(DLL IN LISTS DLL_LIST)
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if(NOT EXISTS "${DLL}")
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continue()
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endif()
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get_filename_component(DLL_NAME "${DLL}" NAME)
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set(TARGET_DLL "${TARGET_DIR}/${DLL_NAME}")
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# 检查文件是否需要更新（比较MD5）
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set(NEEDS_COPY FALSE)
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if(EXISTS "${TARGET_DLL}")
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# 目标文件存在，比较内容（MD5哈希）
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file(MD5 "${DLL}" SRC_MD5)
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file(MD5 "${TARGET_DLL}" DST_MD5)
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if(NOT "${SRC_MD5}" STREQUAL "${DST_MD5}")
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set(NEEDS_COPY TRUE)
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endif()
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else()
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# 目标文件不存在，需要复制
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set(NEEDS_COPY TRUE)
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endif()
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if(NEEDS_COPY)
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# 复制DLL文件
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "${DLL}" "${TARGET_DIR}"
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RESULT_VARIABLE COPY_RESULT
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OUTPUT_QUIET
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ERROR_QUIET
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)
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if(COPY_RESULT EQUAL 0)
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math(EXPR COPIED_COUNT "${COPIED_COUNT} + 1")
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list(APPEND COPIED_FILES " - ${DLL_NAME}")
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else()
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message(WARNING "Failed to copy DLL: ${DLL}")
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endif()
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# 复制对应的.pdb文件（如果存在）
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string(REGEX REPLACE "\\.dll$" ".pdb" PDB_FILE "${DLL}")
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if(EXISTS "${PDB_FILE}")
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "${PDB_FILE}" "${TARGET_DIR}"
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OUTPUT_QUIET
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ERROR_QUIET
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)
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endif()
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endif()
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endforeach()
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# 只在有实际复制操作时输出详细信息
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if(COPIED_COUNT GREATER 0)
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message(STATUS "Updated ${COPIED_COUNT} runtime DLLs:")
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foreach(FILE IN LISTS COPIED_FILES)
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message(STATUS "${FILE}")
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endforeach()
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endif()
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else()
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# 只在第一次或变化时提示
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if(NOT EXISTS "${TARGET_DIR}/.dll_check_done")
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message(STATUS "No runtime DLL dependencies detected (static linking)")
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file(WRITE "${TARGET_DIR}/.dll_check_done" "checked")
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endif()
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endif()
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