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40 lines
1.7 KiB
CMake
40 lines
1.7 KiB
CMake
if (NOT bare_name)
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message(FATAL_ERROR "bare_name variable not defined")
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endif()
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string(TOUPPER "${bare_name}" bare_name_upper)
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option(${bare_name_upper}_WITH_BUILD_DATE "Compile the build date into the program. It will cause frequent rebuilds" OFF)
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string(TOUPPER ${${bare_name_upper}_WITH_BUILD_DATE} ${bare_name_upper}_WITH_BUILD_DATE PARENT_SCOPE)
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#See:
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#http://stackoverflow.com/questions/24292898/compile-date-and-time-using-cmake#26214363
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function (make_timestamp project_name file_input)
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# if (${bare_name_upper}_WITH_BUILD_DATE)
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# string(TIMESTAMP ${bare_name_upper}_BUILD_DATE "%Y-%m-%d %H:%M:%S" UTC)
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# else()
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# set(${bare_name_upper}_BUILD_DATE "")
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# endif()
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get_filename_component(file_name "${file_input}" NAME)
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string(REGEX REPLACE "\\.in$" "" file_name "${file_name}")
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FILE (WRITE ${CMAKE_CURRENT_BINARY_DIR}/timestamp.cmake
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"if (${bare_name_upper}_WITH_BUILD_DATE)
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# string(TIMESTAMP ${bare_name_upper}_BUILD_DATE \"%Y-%m-%d %H:%M:%S\" UTC)
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string(TIMESTAMP ${bare_name_upper}_BUILD_DATE \"%Y-%m-%d\" UTC)
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else()
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set(${bare_name_upper}_BUILD_DATE \"\")
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endif()
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#set(${bare_name_upper}_BUILD_DATE \"\${${bare_name_upper}_BUILD_DATE}\" PARENT_SCOPE)
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configure_file(\"${CMAKE_CURRENT_SOURCE_DIR}/${file_input}\" \"${CMAKE_CURRENT_BINARY_DIR}/${file_name}\")\n"
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)
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add_custom_target (
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timestamp
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COMMAND ${CMAKE_COMMAND} "-D${bare_name_upper}_WITH_BUILD_DATE=${${bare_name_upper}_WITH_BUILD_DATE}" -P ${CMAKE_CURRENT_BINARY_DIR}/timestamp.cmake
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ADD_DEPENDENCIES ${CMAKE_CURRENT_BINARY_DIR}/timestamp.cmake
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)
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add_dependencies(${project_name} timestamp)
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#set_source_files_properties("${PROJECT_BINARY_DIR}/${bare_name}Config.h" OBJECT_DEPENDS timestamp)
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endfunction()
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