You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
calamares/CMakeModules/CalamaresAddTranslations.cmake

103 lines
4.2 KiB
CMake

# === This file is part of Calamares - <https://calamares.io> ===
#
# SPDX-FileCopyrightText: 2017 Adriaan de Groot <groot@kde.org>
# SPDX-License-Identifier: BSD-2-Clause
#
# Calamares is Free Software: see the License-Identifier above.
#
#
###
#
# This file has not yet been documented for use outside of Calamares itself.
include( CMakeParseArguments )
# The Gettext module is still old-fashioned, ALLCAPS variables
find_package( Gettext )
set_package_properties( GETTEXT PROPERTIES
DESCRIPTION "GNU gettext (translation) tools."
URL "https://www.gnu.org/software/gettext/"
PURPOSE "Gettext is used in the translation of Python modules."
TYPE REQUIRED
)
# 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 "${TRANSLATION_FILENAME}" )
endif()
string( REGEX REPLACE ".mo$" ".po" TRANSLATION_SOURCE_FILENAME "${TRANSLATION_FILENAME}" )
if ( GETTEXT_FOUND AND GETTEXT_MSGFMT_EXECUTABLE )
message( STATUS "Installing gettext translations for ${TRANSLATION_NAME}")
message( STATUS " Installing ${TRANSLATION_FILENAME} from ${TRANSLATION_SOURCE_DIR}")
else()
message( WARNING "Gettext translations requested for ${TRANSLATION_NAME}, but gettext was not found." )
return()
endif()
set( TARGET_NAME calamares-gettext-translations-${NAME} )
if( NOT TARGET "${TARGET_NAME}" )
add_custom_target( "${TARGET_NAME}" ALL )
endif()
set( TRANSLATION_NAME "${NAME}" )
foreach( lang ${CALAMARES_TRANSLATION_LANGUAGES} ) # Global
string( MAKE_C_IDENTIFIER "${TARGET_NAME}-${lang}" TARGET_SUBNAME )
set( lang_po "${TRANSLATION_SOURCE_DIR}/${lang}/LC_MESSAGES/${TRANSLATION_SOURCE_FILENAME}" )
set( lang_mo_dir "${CMAKE_BINARY_DIR}/lang/${lang}/LC_MESSAGES" )
set( lang_mo "${lang_mo_dir}/${TRANSLATION_RENAME}" )
if( lang STREQUAL "en" )
message( STATUS " Skipping ${TRANSLATION_NAME} translations for en_US" )
else()
# We **don't** use the gettext macro's here because the source
# structure doesn't match: we are calling this once per language
# for all of Calamares's languages, while the gettext module
# expects it to be called once, for a given language source-dir.
#
# Using any of the gettext macros just gets us multiple rules
# for python.gmo, and it wants to use msgmerge, besides, which
# doesn't fit our Transifex workflow.
make_directory( ${lang_mo_dir} )
add_custom_command(
OUTPUT ${lang_mo}
COMMAND ${GETTEXT_MSGFMT_EXECUTABLE}
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/
)
endif()
endforeach()
endfunction()