mirror of
https://github.com/starr-dusT/tzdb_to_nx
synced 2024-03-05 21:18:52 -08:00
51 lines
1.8 KiB
CMake
51 lines
1.8 KiB
CMake
set(TZ_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/tz" CACHE PATH "Time zone source directory")
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set(TZ_DIR "${CMAKE_CURRENT_BINARY_DIR}/tz")
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set(TZ_ZONEINFO_DIR "${TZ_DIR}/usr/share/zoneinfo" CACHE PATH "Time zone info data directory")
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set(TZIF_LIST_FILE "${CMAKE_CURRENT_BINARY_DIR}/tzif_list.txt" CACHE PATH "List of zone info files")
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find_program(GNU_MAKE make)
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if ("${GNU_MAKE}" STREQUAL "GNU_MAKE-NOTFOUND")
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message(FATAL_ERROR "GNU make not found")
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endif()
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if (NOT EXISTS "${TZ_DIR}" OR NOT EXISTS "${TZIF_LIST_FILE}")
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execute_process(
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COMMAND
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${GNU_MAKE} DESTDIR=${TZ_DIR} install
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WORKING_DIRECTORY
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${TZ_SOURCE_DIR}
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COMMAND_ERROR_IS_FATAL ANY
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)
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# Step taken by Arch Linux packaging, but Nintendo apparently skips it
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# execute_process(
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# COMMAND
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# "${TZDB_LOCATION}/zic" -b fat -d ${TZDB_ZONEINFO} africa antarctica asia australasia europe northamerica southamerica etcetera backward factory
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# WORKING_DIRECTORY
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# "${TZDB_LOCATION}"
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# COMMAND_ERROR_IS_FATAL ANY
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# )
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execute_process(
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COMMAND
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${CMAKE_COMMAND} -P ${PROJECT_SOURCE_DIR}/CMakeModules/list_directory.cmake false ON
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WORKING_DIRECTORY
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"${TZ_ZONEINFO_DIR}"
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OUTPUT_VARIABLE
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TZIF_SCAN
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)
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set(TZIF_LIST "")
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foreach(CANDIDATE ${TZIF_SCAN})
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if (CANDIDATE STREQUAL "\n")
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continue()
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endif()
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set(TZIF_FILE "${TZ_ZONEINFO_DIR}/${CANDIDATE}")
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file(READ "${TZIF_FILE}" HEADER LIMIT 4)
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string(SUBSTRING "${HEADER}" 0 4 HEADER) # Remove trailing newline
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if (HEADER STREQUAL "TZif")
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file(APPEND "${TZIF_LIST_FILE}" "${TZIF_FILE}\n")
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endif()
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endforeach()
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endif()
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