diff --git a/cmake/FindGettext.cmake b/cmake/FindGettext.cmake new file mode 100644 index 00000000..4d3654a6 --- /dev/null +++ b/cmake/FindGettext.cmake @@ -0,0 +1,232 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindGettext +----------- + +Find GNU gettext tools + +This module looks for the GNU gettext tools. This module defines the +following values: + +:: + + GETTEXT_MSGMERGE_EXECUTABLE: the full path to the msgmerge tool. + GETTEXT_MSGFMT_EXECUTABLE: the full path to the msgfmt tool. + GETTEXT_FOUND: True if gettext has been found. + GETTEXT_VERSION_STRING: the version of gettext found (since CMake 2.8.8) + + + +Additionally it provides the following macros: + +GETTEXT_CREATE_TRANSLATIONS ( outputFile [ALL] file1 ... fileN ) + +:: + + This will create a target "translations" which will convert the + given input po files into the binary output mo file. If the + ALL option is used, the translations will also be created when + building the default target. + +GETTEXT_PROCESS_POT_FILE( [ALL] [INSTALL_DESTINATION ] +LANGUAGES ... ) + +:: + + Process the given pot file to mo files. + If INSTALL_DESTINATION is given then automatically install rules will + be created, the language subdirectory will be taken into account + (by default use share/locale/). + If ALL is specified, the pot file is processed when building the all target. + It creates a custom target "potfile". + +GETTEXT_PROCESS_PO_FILES( [ALL] [INSTALL_DESTINATION ] +PO_FILES ... ) + +:: + + Process the given po files to mo files for the given language. + If INSTALL_DESTINATION is given then automatically install rules will + be created, the language subdirectory will be taken into account + (by default use share/locale/). + If ALL is specified, the po files are processed when building the all target. + It creates a custom target "pofiles". + +.. versionadded:: 3.2 + If you wish to use the Gettext library (libintl), use :module:`FindIntl`. +#]=======================================================================] + +find_program(GETTEXT_MSGMERGE_EXECUTABLE msgmerge) + +find_program(GETTEXT_MSGFMT_EXECUTABLE msgfmt) + +if(GETTEXT_MSGMERGE_EXECUTABLE) + execute_process(COMMAND ${GETTEXT_MSGMERGE_EXECUTABLE} --version + OUTPUT_VARIABLE gettext_version + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE) + get_filename_component(msgmerge_name ${GETTEXT_MSGMERGE_EXECUTABLE} NAME) + get_filename_component(msgmerge_namewe ${GETTEXT_MSGMERGE_EXECUTABLE} NAME_WE) + if (gettext_version MATCHES "^(${msgmerge_name}|${msgmerge_namewe}) \\([^\\)]*\\) ([0-9\\.]+[^ \n]*)") + set(GETTEXT_VERSION_STRING "${CMAKE_MATCH_2}") + endif() + unset(gettext_version) + unset(msgmerge_name) + unset(msgmerge_namewe) +endif() + +include(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(Gettext + REQUIRED_VARS GETTEXT_MSGMERGE_EXECUTABLE GETTEXT_MSGFMT_EXECUTABLE + VERSION_VAR GETTEXT_VERSION_STRING) + +function(_GETTEXT_GET_UNIQUE_TARGET_NAME _name _unique_name) + set(propertyName "_GETTEXT_UNIQUE_COUNTER_${_name}") + get_property(currentCounter GLOBAL PROPERTY "${propertyName}") + if(NOT currentCounter) + set(currentCounter 1) + endif() + set(${_unique_name} "${_name}_${currentCounter}" PARENT_SCOPE) + math(EXPR currentCounter "${currentCounter} + 1") + set_property(GLOBAL PROPERTY ${propertyName} ${currentCounter} ) +endfunction() + +macro(GETTEXT_CREATE_TRANSLATIONS _potFile _firstPoFileArg) + # make it a real variable, so we can modify it here + set(_firstPoFile "${_firstPoFileArg}") + + set(_gmoFiles) + get_filename_component(_potName ${_potFile} NAME) + string(REGEX REPLACE "^(.+)(\\.[^.]+)$" "\\1" _potBasename ${_potName}) + get_filename_component(_absPotFile ${_potFile} ABSOLUTE) + + set(_addToAll) + if(${_firstPoFile} STREQUAL "ALL") + set(_addToAll "ALL") + set(_firstPoFile) + endif() + + foreach (_currentPoFile ${_firstPoFile} ${ARGN}) + get_filename_component(_absFile ${_currentPoFile} ABSOLUTE) + get_filename_component(_abs_PATH ${_absFile} PATH) + get_filename_component(_lang ${_absFile} NAME_WE) + set(_gmoFile ${CMAKE_CURRENT_BINARY_DIR}/${_lang}.gmo) + + add_custom_command( + OUTPUT ${_gmoFile} +# COMMAND ${GETTEXT_MSGMERGE_EXECUTABLE} --quiet --update --backup=none -s ${_absFile} ${_absPotFile} + COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} -o ${_gmoFile} ${_absFile} + DEPENDS ${_absPotFile} ${_absFile} + ) + + install(FILES ${_gmoFile} DESTINATION share/locale/${_lang}/LC_MESSAGES RENAME ${_potBasename}.mo) + set(_gmoFiles ${_gmoFiles} ${_gmoFile}) + + endforeach () + + if(NOT TARGET translations) + add_custom_target(translations) + endif() + + _GETTEXT_GET_UNIQUE_TARGET_NAME(translations uniqueTargetName) + + add_custom_target(${uniqueTargetName} ${_addToAll} DEPENDS ${_gmoFiles}) + + add_dependencies(translations ${uniqueTargetName}) + +endmacro() + + +function(GETTEXT_PROCESS_POT_FILE _potFile) + set(_gmoFiles) + set(_options ALL) + set(_oneValueArgs INSTALL_DESTINATION) + set(_multiValueArgs LANGUAGES) + + CMAKE_PARSE_ARGUMENTS(_parsedArguments "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN}) + + get_filename_component(_potName ${_potFile} NAME) + string(REGEX REPLACE "^(.+)(\\.[^.]+)$" "\\1" _potBasename ${_potName}) + get_filename_component(_absPotFile ${_potFile} ABSOLUTE) + + foreach (_lang ${_parsedArguments_LANGUAGES}) + set(_poFile "${CMAKE_CURRENT_BINARY_DIR}/${_lang}.po") + set(_gmoFile "${CMAKE_CURRENT_BINARY_DIR}/${_lang}.gmo") + + add_custom_command( + OUTPUT "${_poFile}" + COMMAND ${GETTEXT_MSGMERGE_EXECUTABLE} --quiet --update --backup=none -s ${_poFile} ${_absPotFile} + DEPENDS ${_absPotFile} + ) + + add_custom_command( + OUTPUT "${_gmoFile}" + COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} -o ${_gmoFile} ${_poFile} + DEPENDS ${_absPotFile} ${_poFile} + ) + + if(_parsedArguments_INSTALL_DESTINATION) + install(FILES ${_gmoFile} DESTINATION ${_parsedArguments_INSTALL_DESTINATION}/${_lang}/LC_MESSAGES RENAME ${_potBasename}.mo) + endif() + list(APPEND _gmoFiles ${_gmoFile}) + endforeach () + + if(NOT TARGET potfiles) + add_custom_target(potfiles) + endif() + + _GETTEXT_GET_UNIQUE_TARGET_NAME( potfiles uniqueTargetName) + + if(_parsedArguments_ALL) + add_custom_target(${uniqueTargetName} ALL DEPENDS ${_gmoFiles}) + else() + add_custom_target(${uniqueTargetName} DEPENDS ${_gmoFiles}) + endif() + + add_dependencies(potfiles ${uniqueTargetName}) + +endfunction() + + +function(GETTEXT_PROCESS_PO_FILES _lang) + set(_options ALL) + set(_oneValueArgs INSTALL_DESTINATION) + set(_multiValueArgs PO_FILES) + set(_gmoFiles) + + CMAKE_PARSE_ARGUMENTS(_parsedArguments "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN}) + + foreach(_current_PO_FILE ${_parsedArguments_PO_FILES}) + get_filename_component(_name ${_current_PO_FILE} NAME) + string(REGEX REPLACE "^(.+)(\\.[^.]+)$" "\\1" _basename ${_name}) + set(_gmoFile ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.gmo) + add_custom_command(OUTPUT ${_gmoFile} + COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} -o ${_gmoFile} ${_current_PO_FILE} + WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" + DEPENDS ${_current_PO_FILE} + ) + + if(_parsedArguments_INSTALL_DESTINATION) + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.gmo DESTINATION ${_parsedArguments_INSTALL_DESTINATION}/${_lang}/LC_MESSAGES/ RENAME ${_basename}.mo) + endif() + list(APPEND _gmoFiles ${_gmoFile}) + endforeach() + + + if(NOT TARGET pofiles) + add_custom_target(pofiles) + endif() + + _GETTEXT_GET_UNIQUE_TARGET_NAME( pofiles uniqueTargetName) + + if(_parsedArguments_ALL) + add_custom_target(${uniqueTargetName} ALL DEPENDS ${_gmoFiles}) + else() + add_custom_target(${uniqueTargetName} DEPENDS ${_gmoFiles}) + endif() + + add_dependencies(pofiles ${uniqueTargetName}) + +endfunction()