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calamares/CMakeModules/CalamaresAddTranslations.cmake

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CMake

# === This file is part of Calamares - <https://github.com/calamares> ===
#
# Calamares is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Calamares is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Calamares. If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0+
# License-Filename: LICENSE
#
###
#
# This file has not yet been documented for use outside of Calamares itself.
include( CMakeParseArguments )
if( NOT _rcc_version_support_checked )
set( _rcc_version_support_checked TRUE )
# Extract the executable name
get_property( _rcc_executable
TARGET ${Qt5Core_RCC_EXECUTABLE}
PROPERTY IMPORTED_LOCATION
)
if( NOT _rcc_executable )
# Weird, probably now uses Qt5::rcc which is wrong too
set( _rcc_executable ${Qt5Core_RCC_EXECUTABLE} )
endif()
# Try an empty RCC file with explicit format-version
execute_process(
COMMAND echo "<RCC version='1.0'></RCC>"
COMMAND ${Qt5Core_RCC_EXECUTABLE} --format-version 1 --list -
RESULT_VARIABLE _rcc_version_rv
ERROR_VARIABLE _rcc_version_dump
)
if ( _rcc_version_rv EQUAL 0 )
# Supported: force to the reproducible version
set( _rcc_version_support --format-version 1 )
else()
# Older Qt versions (5.7, 5.8) don't support setting the
# rcc format-version, so won't be reproducible if they
# default to version 2.
set( _rcc_version_support "" )
endif()
unset( _rcc_version_rv )
unset( _rcc_version_dump )
endif()
# Internal macro for adding the C++ / Qt translations to the
# build and install tree. Should be called only once, from
# src/calamares/CMakeLists.txt.
macro(add_calamares_translations language)
list( APPEND CALAMARES_LANGUAGES ${ARGV} )
set( calamares_i18n_qrc_content "<!DOCTYPE RCC><RCC version=\"1.0\">\n" )
# calamares and qt language files
set( calamares_i18n_qrc_content "${calamares_i18n_qrc_content}<qresource prefix=\"/lang\">\n" )
foreach( lang ${CALAMARES_LANGUAGES} )
set( calamares_i18n_qrc_content "${calamares_i18n_qrc_content}<file>calamares_${lang}.qm</file>\n" )
list( APPEND TS_FILES "${CMAKE_SOURCE_DIR}/lang/calamares_${lang}.ts" )
endforeach()
set( calamares_i18n_qrc_content "${calamares_i18n_qrc_content}</qresource>\n" )
set( calamares_i18n_qrc_content "${calamares_i18n_qrc_content}</RCC>\n" )
file( WRITE ${CMAKE_BINARY_DIR}/lang/calamares_i18n.qrc "${calamares_i18n_qrc_content}" )
qt5_add_translation(QM_FILES ${TS_FILES})
## HACK HACK HACK - around rcc limitations to allow out of source-tree building
set( trans_file calamares_i18n )
set( trans_srcfile ${CMAKE_BINARY_DIR}/lang/${trans_file}.qrc )
set( trans_infile ${CMAKE_CURRENT_BINARY_DIR}/${trans_file}.qrc )
set( trans_outfile ${CMAKE_CURRENT_BINARY_DIR}/qrc_${trans_file}.cxx )
# Copy the QRC file to the output directory
add_custom_command(
OUTPUT ${trans_infile}
COMMAND ${CMAKE_COMMAND} -E copy ${trans_srcfile} ${trans_infile}
MAIN_DEPENDENCY ${trans_srcfile}
)
# Run the resource compiler (rcc_options should already be set)
add_custom_command(
OUTPUT ${trans_outfile}
COMMAND "${Qt5Core_RCC_EXECUTABLE}"
ARGS ${rcc_options} ${_rcc_version_support} -name ${trans_file} -o ${trans_outfile} ${trans_infile}
MAIN_DEPENDENCY ${trans_infile}
DEPENDS ${QM_FILES}
)
endmacro()
# Internal macro for Python translations
#
# Translations of the Python modules that don't have their own
# lang/ subdirectories -- these are collected in top-level
# lang/python/<lang>/LC_MESSAGES/python.mo
macro(add_calamares_python_translations language)
set( CALAMARES_LANGUAGES "" )
list( APPEND CALAMARES_LANGUAGES ${ARGV} )
install_calamares_gettext_translations( python
SOURCE_DIR ${CMAKE_SOURCE_DIR}/lang/python
FILENAME python.mo
RENAME calamares-python.mo
)
endmacro()
# Installs a directory containing language-code-labeled subdirectories with
# gettext data into the appropriate system directory. Allows renaming the
# .mo files during install to avoid namespace clashes.
#
# install_calamares_gettext_translations(
# NAME <name of module, for human use>
# SOURCE_DIR path/to/lang
# FILENAME <name of file.mo>
# [RENAME <new-name of.mo>]
# )
#
# For all of the (global) translation languages enabled for Calamares,
# try installing $SOURCE_DIR/$lang/LC_MESSAGES/<filename>.mo into the
# system gettext data directory (e.g. share/locale/), possibly renaming
# filename.mo to renamed.mo in the process.
function( install_calamares_gettext_translations )
# parse arguments ( name needs to be saved before passing ARGN into the macro )
set( NAME ${ARGV0} )
set( oneValueArgs NAME SOURCE_DIR FILENAME RENAME )
cmake_parse_arguments( TRANSLATION "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
if( NOT TRANSLATION_NAME )
set( TRANSLATION_NAME ${NAME} )
endif()
if( NOT TRANSLATION_FILENAME )
set( TRANSLATION_FILENAME "${TRANSLATION_NAME}.mo" )
endif()
if( NOT TRANSLATION_RENAME )
set( TRANSLATION_RENAME "${TRANSLATION_FILENAME}" )
endif()
message(STATUS "Installing gettext translations for ${TRANSLATION_NAME}")
message(STATUS " Installing ${TRANSLATION_FILENAME} from ${TRANSLATION_SOURCE_DIR}")
set( TRANSLATION_NAME "${NAME}" )
set( INSTALLED_TRANSLATIONS "" )
foreach( lang ${CALAMARES_TRANSLATION_LANGUAGES} ) # Global
set( lang_mo "${TRANSLATION_SOURCE_DIR}/${lang}/LC_MESSAGES/${TRANSLATION_FILENAME}" )
if( lang STREQUAL "en" )
message( STATUS " Skipping ${TRANSLATION_NAME} translations for en_US" )
else( EXISTS ${lang_mo} )
list( APPEND INSTALLED_LANGUAGES "${lang}" )
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()