c537bbcfe7
This gives a clearer message and behaviour when Qt is installed but the translation tools have been omitted.
58 lines
No EOL
2.3 KiB
CMake
58 lines
No EOL
2.3 KiB
CMake
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GET_FILENAME_COMPONENT(SRC_PARENT_DIR ${PROJECT_SOURCE_DIR} PATH)
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SET(FGDATA_SRC_DIR "${SRC_PARENT_DIR}/fgdata")
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if(EXISTS ${TRANSLATIONS_SRC_DIR})
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message(STATUS "Using explicitly defined translations from: ${TRANSLATIONS_SRC_DIR}")
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set(do_translate TRUE)
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elseif(EXISTS ${FGDATA_SRC_DIR})
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SET(TRANSLATIONS_SRC_DIR "${FGDATA_SRC_DIR}/Translations")
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message(STATUS "Found translations dir implicitly: ${TRANSLATIONS_SRC_DIR}")
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set(do_translate TRUE)
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else()
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message(STATUS "Couldn't find translations data, will not include translated string in the executable")
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endif()
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find_package(Qt5 5.4 COMPONENTS LinguistTools)
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if (${do_translate} AND NOT TARGET Qt5::lrelease)
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set(do_translate FALSE)
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message(STATUS "Built-in translations disabled becuase Qt5 lrelease tool was not found."
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"\n(on Linux You may need to install an additional package containing the Qt5 translation tools)")
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endif()
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if (${do_translate})
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# FIXME - determine this based on subdirs of TRANSLATIONS_SRC_DIR
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set(LANGUAGES en_US de es nl fr it pl pt zh_CN)
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set(translation_res "${PROJECT_BINARY_DIR}/translations.qrc")
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add_custom_target(fgfs_qm_files ALL)
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file(WRITE ${translation_res} "<RCC>\n<qresource prefix=\"/\">\n")
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# qm generation and installation
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foreach(LANG ${LANGUAGES})
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# trim down to a two-letter code for output. This will need to get
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# smarter if we ever have different translations for a dialect,
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# eg en_GB, fr_CA or pt_BR.
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string(SUBSTRING ${LANG} 0 2 simple_lang)
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set(out_file "${PROJECT_BINARY_DIR}/FlightGear_${simple_lang}.qm")
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add_custom_command(
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OUTPUT ${out_file}
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COMMAND Qt5::lrelease ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf
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-qm ${out_file}
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DEPENDS ${TRANSLATIONS_SRC_DIR}/${LANG}/FlightGear-Qt.xlf
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)
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add_custom_target(fgfs_${simple_lang}_qm ALL DEPENDS ${out_file})
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add_dependencies(fgfs_qm_files fgfs_${simple_lang}_qm)
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# local path needed here, not absolute
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file(APPEND ${translation_res} "<file>FlightGear_${simple_lang}.qm</file>\n")
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endforeach()
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file(APPEND ${translation_res} "</qresource>\n</RCC>")
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# set this so config.h can detect it
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set(HAVE_QRC_TRANSLATIONS TRUE)
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endif() # of do translate |