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# translations.cmake - Translations using APT's translation system.
# Copyright (C) 2009, 2016 Julian Andres Klode <jak@debian.org>
function(apt_add_translation_domain domain)
set(targets ${ARGN})
# Build the list of source files of the target
set(files "")
set(abs_files "")
foreach(target ${targets})
get_target_property(source_dir ${target} SOURCE_DIR)
get_target_property(sources ${target} SOURCES)
foreach(source ${sources})
string(SUBSTRING ${source} 0 1 init_char)
string(COMPARE EQUAL ${init_char} "/" is_absolute)
if (${is_absolute})
set(file "${source}")
else()
set(file "${source_dir}/${source}")
endif()
file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
set(files ${files} ${relfile})
set(abs_files ${abs_files} ${file})
endforeach()
target_compile_definitions(${target} PRIVATE -DAPT_DOMAIN="${domain}")
endforeach()
# Create the template for this specific sub-domain
add_custom_command (OUTPUT ${PROJECT_BINARY_DIR}/${domain}.pot
COMMAND xgettext --add-comments --foreign -k_ -kN_
--add-location=file --keyword=P_:1,2
-o ${PROJECT_BINARY_DIR}/${domain}.pot ${files}
DEPENDS ${abs_files}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)
# Build .mo files
file(GLOB translations "${PROJECT_SOURCE_DIR}/po/*.po")
list(SORT translations)
foreach(file ${translations})
get_filename_component(langcode ${file} NAME_WE)
set(outdir ${PROJECT_BINARY_DIR}/locale/${langcode}/LC_MESSAGES)
file(MAKE_DIRECTORY ${outdir})
# Command to merge and compile the messages
add_custom_command(OUTPUT ${outdir}/${domain}.po
COMMAND msgmerge -qo ${outdir}/${domain}.po ${file} ${PROJECT_BINARY_DIR}/${domain}.pot
DEPENDS ${file} ${PROJECT_BINARY_DIR}/${domain}.pot
)
add_custom_command(OUTPUT ${outdir}/${domain}.mo
COMMAND msgfmt --statistics -o ${outdir}/${domain}.mo ${outdir}/${domain}.po
DEPENDS ${outdir}/${domain}.po
)
set(mofiles ${mofiles} ${outdir}/${domain}.mo)
install(FILES ${outdir}/${domain}.mo
DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${langcode}/LC_MESSAGES")
endforeach(file ${translations})
add_custom_target(nls-${domain} ALL DEPENDS ${mofiles})
endfunction()