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+# 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( <potfile> [ALL] [INSTALL_DESTINATION <destdir>]
+# LANGUAGES <lang1> <lang2> ... )
+#
+# ::
+#
+# 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 traget.
+# It creates a custom target "potfile".
+#
+# GETTEXT_PROCESS_PO_FILES( <lang> [ALL] [INSTALL_DESTINATION <dir>]
+# PO_FILES <po1> <po2> ... )
+#
+# ::
+#
+# 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 traget.
+# It creates a custom target "pofiles".
+#
+# .. note::
+# 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(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Gettext
+ REQUIRED_VARS GETTEXT_MSGMERGE_EXECUTABLE GETTEXT_MSGFMT_EXECUTABLE
+ VERSION_VAR GETTEXT_VERSION_STRING)
+
+function(_GETTEXT_GET_UNIQUE_TARGET_NAME _name _unique_name)
+ set(propertyName "_GETTEXT_UNIQUE_COUNTER_${_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()
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