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# FindIntltool.cmake
#
# Searches for intltool and gettext. It aborts, if anything cannot be found.
# Requires GETTEXT_PO_DIR to be set to full path of the po/ directory.
#
# Output is:
# INTLTOOL_UPDATE - an intltool-update executable path, as found
# INTLTOOL_EXTRACT - an intltool-extract executable path, as found
# INTLTOOL_MERGE - an intltool-merge executable path, as found
#
# and anything from the FindGettext module.
#
# The below provided macros require GETTEXT_PACKAGE to be set.
#
# intltool_add_check_potfiles_target()
# Adds a check-potfiles target, which verifies that all files with translations
# are added in the POTFILES.in file inside GETTEXT_PO_DIR. This macro can be called
# only inside GETTEXT_PO_DIR.
#
# intltool_add_pot_file_target()
# Creates a new target pot-file, which generates ${GETTEXT_PACKAGE}.pot file into
# the CMAKE_CURERNT_BINARY_DIR. This target is not part of ALL.
# This can be called only inside GETTEXT_PO_DIR.
#
# intltool_process_po_files()
# Processes all files in the GETTEXT_PO_DIR and generates .gmo files for them
# in CMAKE_CURRENT_BINARY_DIR. These are added into a new target gmo-files.
# It also installs them into proper location under LOCALE_INSTALL_DIR.
# This can be called only inside GETTEXT_PO_DIR.
#
# intltool_setup_po_dir()
# Shortcut to setup intltool's po/ directory by adding all custom targets
# and such. this can be called only inside GETTEXT_PO_DIR.
#
# intltool_merge(_in_filename _out_filename ...args)
# Adds rule to call intltool-merge. The args are optional arguments.
# This can be called in any folder, only the GETTEXT_PO_DIR should
# be properly set, otherwise the call will fail.
#
# add_appdata_file(_infilename _outfilename)
# A shortcut to call intltool-merge() for an appdata file and install it
# to ${SHARE_INSTALL_PREFIX}/metainfo
include(FindGettext)
if(NOT GETTEXT_FOUND)
message(FATAL_ERROR "gettext not found, please install at least 0.18.3 version")
endif(NOT GETTEXT_FOUND)
if(GETTEXT_VERSION_STRING VERSION_LESS "0.18.3")
message(FATAL_ERROR "gettext version 0.18.3+ required, but version '${GETTEXT_VERSION_STRING}' found instead. Please update your gettext")
endif(GETTEXT_VERSION_STRING VERSION_LESS "0.18.3")
find_program(XGETTEXT xgettext)
if(NOT XGETTEXT)
message(FATAL_ERROR "xgettext executable not found. Please install or update your gettext to at least 0.18.3 version")
endif(NOT XGETTEXT)
find_program(INTLTOOL_UPDATE intltool-update)
if(NOT INTLTOOL_UPDATE)
message(FATAL_ERROR "intltool-update not found. Please install it (usually part of an 'intltool' package)")
endif(NOT INTLTOOL_UPDATE)
find_program(INTLTOOL_EXTRACT intltool-extract)
if(NOT INTLTOOL_EXTRACT)
message(FATAL_ERROR "intltool-extract not found. Please install it (usually part of an 'intltool' package)")
endif(NOT INTLTOOL_EXTRACT)
find_program(INTLTOOL_MERGE intltool-merge)
if(NOT INTLTOOL_MERGE)
message(FATAL_ERROR "intltool-merge not found. Please install it (usually part of an 'intltool' package)")
endif(NOT INTLTOOL_MERGE)
macro(intltool_add_check_potfiles_target)
if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
message(FATAL_ERROR "intltool_add_pot_file_target() can be called only inside GETTEXT_PO_DIR ('${GETTEXT_PO_DIR}'), but it is called inside '${CMAKE_CURRENT_SOURCE_DIR}' instead")
endif(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
add_custom_target(check-potfiles
COMMAND ${INTLTOOL_UPDATE} -m
WORKING_DIRECTORY ${GETTEXT_PO_DIR}
)
endmacro(intltool_add_check_potfiles_target)
macro(intltool_add_pot_file_target)
if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
message(FATAL_ERROR "intltool_add_pot_file_target() can be called only inside GETTEXT_PO_DIR ('${GETTEXT_PO_DIR}'), but it is called inside '${CMAKE_CURRENT_SOURCE_DIR}' instead")
endif(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${GETTEXT_PACKAGE}.pot
COMMAND ${CMAKE_COMMAND} -E env INTLTOOL_EXTRACT="${INTLTOOL_EXTRACT}" XGETTEXT="${XGETTEXT}" srcdir=${CMAKE_CURRENT_SOURCE_DIR} ${INTLTOOL_UPDATE} --gettext-package ${GETTEXT_PACKAGE} --pot
)
add_custom_target(pot-file
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${GETTEXT_PACKAGE}.pot
)
endmacro(intltool_add_pot_file_target)
macro(intltool_process_po_files)
if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
message(FATAL_ERROR "intltool_process_po_files() can be called only inside GETTEXT_PO_DIR ('${GETTEXT_PO_DIR}'), but it is called inside '${CMAKE_CURRENT_SOURCE_DIR}' instead")
endif(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
file(GLOB po_files ${GETTEXT_PO_DIR}/*.po)
set(LINGUAS)
set(LINGUAS_GMO)
foreach(file IN LISTS po_files)
get_filename_component(lang ${file} NAME_WE)
list(APPEND LINGUAS ${lang})
list(APPEND LINGUAS_GMO ${lang}.gmo)
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${lang}.gmo
COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} -o ${CMAKE_CURRENT_BINARY_DIR}/${lang}.gmo ${CMAKE_CURRENT_SOURCE_DIR}/${lang}.po
DEPENDS ${lang}.po
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${lang}.gmo
DESTINATION ${LOCALE_INSTALL_DIR}/${lang}/LC_MESSAGES/
RENAME ${GETTEXT_PACKAGE}.mo
)
if(EXISTS ${CMAKE_CURRENT_BINARY_DIR}/${lang}.gmo.m)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${lang}.gmo.m
DESTINATION ${LOCALE_INSTALL_DIR}/${lang}/LC_MESSAGES/
RENAME ${GETTEXT_PACKAGE}.mo.m
)
endif(EXISTS ${CMAKE_CURRENT_BINARY_DIR}/${lang}.gmo.m)
endforeach(file)
add_custom_target(gmo-files ALL
DEPENDS ${LINGUAS_GMO}
)
endmacro(intltool_process_po_files)
macro(intltool_setup_po_dir)
if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
message(FATAL_ERROR "intltool_setup_po_dir() can be called only inside GETTEXT_PO_DIR ('${GETTEXT_PO_DIR}'), but it is called inside '${CMAKE_CURRENT_SOURCE_DIR}' instead")
endif(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL GETTEXT_PO_DIR)
intltool_add_check_potfiles_target()
intltool_add_pot_file_target()
intltool_process_po_files()
endmacro(intltool_setup_po_dir)
macro(intltool_merge _in_filename _out_filename)
set(_in ${_in_filename})
set(_out ${_out_filename})
get_filename_component(_path ${_in} DIRECTORY)
if(_path STREQUAL "")
set(_in ${CMAKE_CURRENT_SOURCE_DIR}/${_in})
endif(_path STREQUAL "")
get_filename_component(_path ${_out} DIRECTORY)
if(_path STREQUAL "")
set(_out ${CMAKE_CURRENT_BINARY_DIR}/${_out})
endif(_path STREQUAL "")
set(_has_no_translations OFF)
set(_args)
foreach(_arg ${ARGN})
list(APPEND _args "${_arg}")
if(_arg STREQUAL "--no-translations")
set(_has_no_translations ON)
endif(_arg STREQUAL "--no-translations")
endforeach(_arg)
if(_has_no_translations)
add_custom_command(OUTPUT ${_out}
COMMAND ${INTLTOOL_MERGE} ${_args} --quiet "${_in}" "${_out}"
DEPENDS ${_in}
)
else(_has_no_translations)
if(NOT TARGET intltool-merge-cache)
add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/po/.intltool-merge-cache
COMMAND ${INTLTOOL_MERGE} ${_args} --quiet --cache="${CMAKE_BINARY_DIR}/po/.intltool-merge-cache" "${GETTEXT_PO_DIR}" "${_in}" "${_out}"
DEPENDS ${_in}
)
add_custom_target(intltool-merge-cache ALL
DEPENDS ${CMAKE_BINARY_DIR}/po/.intltool-merge-cache)
endif(NOT TARGET intltool-merge-cache)
add_custom_command(OUTPUT ${_out}
COMMAND ${INTLTOOL_MERGE} ${_args} --quiet --cache="${CMAKE_BINARY_DIR}/po/.intltool-merge-cache" "${GETTEXT_PO_DIR}" "${_in}" "${_out}"
DEPENDS ${_in} intltool-merge-cache
)
endif(_has_no_translations)
endmacro(intltool_merge)
macro(add_appdata_file _infilename _outfilename)
if(NOT TARGET appdata-files)
add_custom_target(appdata-files ALL)
endif(NOT TARGET appdata-files)
set(_out ${_outfilename})
get_filename_component(_outtarget ${_out} NAME)
get_filename_component(_path ${_out} DIRECTORY)
if(_path STREQUAL "")
set(_out ${CMAKE_CURRENT_BINARY_DIR}/${_out})
endif(_path STREQUAL "")
intltool_merge(${_infilename} ${_out} --xml-style --utf8)
add_custom_target(appdata-${_outtarget}
DEPENDS ${_out}
)
add_dependencies(appdata-files appdata-${_outtarget})
install(FILES ${_out}
DESTINATION ${SHARE_INSTALL_PREFIX}/metainfo
)
endmacro(add_appdata_file)
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