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https://github.com/HarbourMasters/Shipwright.git
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65 lines
3.3 KiB
CMake
65 lines
3.3 KiB
CMake
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################################################################################
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# Command for variable_watch. This command issues error message, if a variable
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# is changed. If variable PROPERTY_READER_GUARD_DISABLED is TRUE nothing happens
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# variable_watch(<variable> property_reader_guard)
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################################################################################
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function(property_reader_guard VARIABLE ACCESS VALUE CURRENT_LIST_FILE STACK)
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if("${PROPERTY_READER_GUARD_DISABLED}")
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return()
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endif()
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if("${ACCESS}" STREQUAL "MODIFIED_ACCESS")
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message(FATAL_ERROR
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" Variable ${VARIABLE} is not supposed to be changed.\n"
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" It is used only for reading target property ${VARIABLE}.\n"
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" Use\n"
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" set_target_properties(\"<target>\" PROPERTIES \"${VARIABLE}\" \"<value>\")\n"
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" or\n"
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" set_target_properties(\"<target>\" PROPERTIES \"${VARIABLE}_<CONFIG>\" \"<value>\")\n"
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" instead.\n")
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endif()
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endfunction()
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################################################################################
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# Create variable <name> with generator expression that expands to value of
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# target property <name>_<CONFIG>. If property is empty or not set then property
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# <name> is used instead. Variable <name> has watcher property_reader_guard that
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# doesn't allow to edit it.
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# create_property_reader(<name>)
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# Input:
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# name - Name of watched property and output variable
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################################################################################
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function(create_property_reader NAME)
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set(PROPERTY_READER_GUARD_DISABLED TRUE)
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set(CONFIG_VALUE "$<TARGET_GENEX_EVAL:${PROPS_TARGET},$<TARGET_PROPERTY:${PROPS_TARGET},${NAME}_$<UPPER_CASE:$<CONFIG>>>>")
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set(IS_CONFIG_VALUE_EMPTY "$<STREQUAL:${CONFIG_VALUE},>")
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set(GENERAL_VALUE "$<TARGET_GENEX_EVAL:${PROPS_TARGET},$<TARGET_PROPERTY:${PROPS_TARGET},${NAME}>>")
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set("${NAME}" "$<IF:${IS_CONFIG_VALUE_EMPTY},${GENERAL_VALUE},${CONFIG_VALUE}>" PARENT_SCOPE)
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variable_watch("${NAME}" property_reader_guard)
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endfunction()
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################################################################################
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# Set property $<name>_${PROPS_CONFIG_U} of ${PROPS_TARGET} to <value>
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# set_config_specific_property(<name> <value>)
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# Input:
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# name - Prefix of property name
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# value - New value
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################################################################################
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function(set_config_specific_property NAME VALUE)
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set_target_properties("${PROPS_TARGET}" PROPERTIES "${NAME}_${PROPS_CONFIG_U}" "${VALUE}")
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endfunction()
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################################################################################
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create_property_reader("TARGET_NAME")
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create_property_reader("OUTPUT_DIRECTORY")
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set_config_specific_property("TARGET_NAME" "${PROPS_TARGET}")
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set_config_specific_property("OUTPUT_NAME" "${TARGET_NAME}")
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set_config_specific_property("ARCHIVE_OUTPUT_NAME" "${TARGET_NAME}")
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set_config_specific_property("LIBRARY_OUTPUT_NAME" "${TARGET_NAME}")
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set_config_specific_property("RUNTIME_OUTPUT_NAME" "${TARGET_NAME}")
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set_config_specific_property("ARCHIVE_OUTPUT_DIRECTORY" "${OUTPUT_DIRECTORY}")
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set_config_specific_property("LIBRARY_OUTPUT_DIRECTORY" "${OUTPUT_DIRECTORY}")
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set_config_specific_property("RUNTIME_OUTPUT_DIRECTORY" "${OUTPUT_DIRECTORY}")
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