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i18n: compile the gettext translations at build time

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- need gettext to build translations (TODO: find_program)
- compile the .mo files from .po as part of the build, writing
  to the build-directory only
This commit is contained in:
Adriaan de Groot 2020-08-27 15:21:23 +02:00
parent 242d5c6499
commit 3529659629
1 changed files with 19 additions and 13 deletions
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32
CMakeModules/CalamaresAddTranslations.cmake
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@ -78,31 +78,37 @@ function( install_calamares_gettext_translations )
if( NOT TRANSLATION_RENAME )
set( TRANSLATION_RENAME "${TRANSLATION_FILENAME}" )
endif()
string( REGEX REPLACE ".mo$" ".po" TRANSLATION_SOURCE_FILENAME "${TRANSLATION_FILENAME}" )
message(STATUS "Installing gettext translations for ${TRANSLATION_NAME}")
message(STATUS " Installing ${TRANSLATION_FILENAME} from ${TRANSLATION_SOURCE_DIR}")
set( TARGET_NAME calamares-gettext-translations-${NAME} )
if( NOT TARGET "${TARGET_NAME}" )
add_custom_target( "${TARGET_NAME}" ALL )
endif()
set( TRANSLATION_NAME "${NAME}" )
set( INSTALLED_TRANSLATIONS "" )
foreach( lang ${CALAMARES_TRANSLATION_LANGUAGES} ) # Global
set( lang_mo "${TRANSLATION_SOURCE_DIR}/${lang}/LC_MESSAGES/${TRANSLATION_FILENAME}" )
string( MAKE_C_IDENTIFIER "${TARGET_NAME}-${lang}" TARGET_SUBNAME )
set( lang_po "${TRANSLATION_SOURCE_DIR}/${lang}/LC_MESSAGES/${TRANSLATION_SOURCE_FILENAME}" )
set( lang_mo "${CMAKE_BINARY_DIR}/lang/${lang}/LC_MESSAGES/${TRANSLATION_RENAME}" )
if( lang STREQUAL "en" )
message( STATUS " Skipping ${TRANSLATION_NAME} translations for en_US" )
else( EXISTS ${lang_mo} )
list( APPEND INSTALLED_LANGUAGES "${lang}" )
else()
add_custom_command(
OUTPUT ${lang_mo}
COMMAND msgfmt
ARGS -o ${lang_mo} ${lang_po}
MAIN_DEPENDENCY ${lang_po}
)
add_custom_target( "${TARGET_SUBNAME}" DEPENDS ${lang_mo} )
add_dependencies( "${TARGET_NAME}" "${TARGET_SUBNAME}" )
install(
FILES ${lang_mo}
DESTINATION ${CMAKE_INSTALL_LOCALEDIR}/${lang}/LC_MESSAGES/
RENAME ${TRANSLATION_RENAME}
)
# TODO: make translations available in build dir too, for
# translation when running calamares -d from builddir.
set(_build_lc ${CMAKE_BINARY_DIR}/lang/${lang}/LC_MESSAGES/)
file(COPY ${lang_mo} DESTINATION ${_build_lc})
if (NOT TRANSLATION_FILENAME STREQUAL TRANSLATION_RENAME)
file(RENAME ${_build_lc}${TRANSLATION_FILENAME} ${_build_lc}${TRANSLATION_RENAME})
endif()
endif()
endforeach()
endfunction()