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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file LICENSE.rst or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindGettext
-----------
Find GNU gettext tools.
This module looks for the GNU gettext tools.
Result Variables
^^^^^^^^^^^^^^^^
This module defines the following variables:
``GETTEXT_FOUND``
True if gettext has been found.
``GETTEXT_VERSION_STRING``
The version of gettext found.
``GETTEXT_MSGMERGE_EXECUTABLE``
The full path to the msgmerge tool.
``GETTEXT_MSGFMT_EXECUTABLE``
The full path to the msgfmt tool.
Functions
^^^^^^^^^
This module provides several function.
.. command:: gettext_create_translations
.. code-block:: cmake
gettext_create_translations(<mofile> [ALL] <file>...)
This will create a target "translations" which will convert the
given input .po files into the binary output .mo file. Options:
``ALL``
The translations will be created when building the default target.
.. command:: gettext_process_pot_file
.. code-block:: cmake
gettext_process_pot_file(<potfile> [ALL]
[INSTALL_DESTINATION <destdir>]
LANGUAGES <lang>...)
This function creates a custom target "potfile" which processes the given
.pot file to .mo files. Options:
``ALL``
The .pot file will be processed when building the default target.
``INSTALL_DESTINATION``
Install the results into the given directory (``share/locale/`` by
default). The language subdirectory will be taken into account.
.. command:: gettext_process_po_files
.. code-block:: cmake
gettext_process_po_files(<lang> [ALL]
[INSTALL_DESTINATION <dir>]
PO_FILES <pofile>...)
This function creates a custom target "pofiles", which processes the given
.po files to .mo files for the given language. Options:
``ALL``
The .po files will be processed when building the default target.
``INSTALL_DESTINATION``
Install the results into the given directory (``share/locale/`` by
default). The language subdirectory will be taken into account .
.. versionadded:: 3.2
If you wish to use the Gettext runtime 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()
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