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strawberry-audio-player-win.../cmake/Translations.cmake

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CMake
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find_program(GETTEXT_XGETTEXT_EXECUTABLE xgettext)
if(NOT GETTEXT_XGETTEXT_EXECUTABLE)
message(FATAL_ERROR "Could not find xgettext executable")
endif(NOT GETTEXT_XGETTEXT_EXECUTABLE)
set (XGETTEXT_OPTIONS
--qt
--keyword=tr:1,2c
--keyword=tr --flag=tr:1:pass-c-format --flag=tr:1:pass-qt-format
--keyword=trUtf8 --flag=tr:1:pass-c-format --flag=tr:1:pass-qt-format
--keyword=translate:2,3c
--keyword=translate:2 --flag=translate:2:pass-c-format --flag=translate:2:pass-qt-format
--keyword=QT_TR_NOOP --flag=QT_TR_NOOP:1:pass-c-format --flag=QT_TR_NOOP:1:pass-qt-format
--keyword=QT_TRANSLATE_NOOP:2 --flag=QT_TRANSLATE_NOOP:2:pass-c-format --flag=QT_TRANSLATE_NOOP:2:pass-qt-format
--keyword=_ --flag=_:1:pass-c-format --flag=_:1:pass-qt-format
--keyword=N_ --flag=N_:1:pass-c-format --flag=N_:1:pass-qt-format
--from-code=utf-8
)
execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/translations)
macro(add_pot outfiles header pot)
# Make relative filenames for all source files
set(add_pot_sources)
foreach(_filename ${ARGN})
get_filename_component(_absolute_filename ${_filename} ABSOLUTE)
file(RELATIVE_PATH _relative_filename ${CMAKE_CURRENT_SOURCE_DIR} ${_absolute_filename})
list(APPEND add_pot_sources ${_relative_filename})
endforeach(_filename)
# Generate the .pot
add_custom_command(
OUTPUT ${pot}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMAND ${GETTEXT_XGETTEXT_EXECUTABLE} ${XGETTEXT_OPTIONS} -s -C --omit-header --output=${CMAKE_CURRENT_BINARY_DIR}/pot.temp ${add_pot_sources}
COMMAND cat ${header} ${CMAKE_CURRENT_BINARY_DIR}/pot.temp > ${pot}
DEPENDS ${add_pot_sources} ${header}
)
list(APPEND ${outfiles} ${pot})
endmacro(add_pot)
# Syntax is:
# add_po(sources_var po_prefix LANGUAGES language1 language2 ... DIRECTORY dir)
macro(add_po outfiles po_prefix)
parse_arguments(ADD_PO
"LANGUAGES;DIRECTORY"
""
${ARGN}
)
foreach (_lang ${ADD_PO_LANGUAGES})
set(_po_filename "${_lang}.po")
set(_po_filepath "${CMAKE_CURRENT_SOURCE_DIR}/${ADD_PO_DIRECTORY}/${_po_filename}")
set(_qm_filename "strawberry_${_lang}.qm")
set(_qm_filepath "${CMAKE_CURRENT_BINARY_DIR}/${ADD_PO_DIRECTORY}/${_qm_filename}")
# Convert the .po files to .qm files
add_custom_command(
OUTPUT ${_qm_filepath}
COMMAND ${QT_LCONVERT_EXECUTABLE} ARGS ${_po_filepath} -o ${_qm_filepath} -of qm
DEPENDS ${_po_filepath} ${_po_filepath}
)
list(APPEND ${outfiles} ${_qm_filepath})
list(APPEND INSTALL_TRANSLATIONS_FILES ${_qm_filepath})
endforeach (_lang)
# Generate a qrc file for the translations
if(NOT INSTALL_TRANSLATIONS)
set(_qrc ${CMAKE_CURRENT_BINARY_DIR}/${ADD_PO_DIRECTORY}/translations.qrc)
file(WRITE ${_qrc} "<RCC><qresource prefix=\"/${ADD_PO_DIRECTORY}\">")
foreach(_lang ${ADD_PO_LANGUAGES})
file(APPEND ${_qrc} "<file>${po_prefix}${_lang}.qm</file>")
endforeach(_lang)
file(APPEND ${_qrc} "</qresource></RCC>")
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qt_add_resources(${outfiles} ${_qrc})
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endif()
endmacro(add_po)