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# - 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.
#
# Additionally it provides the following macros:
# GETTEXT_CREATE_TRANSLATIONS ( outputFile [ALL] file1 ... fileN )
# This will create a target "${PROJECT_NAME}_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.
#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
# Copyright 2010 Přemysl Janouch
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the Kitware nor the names of contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
#=============================================================================
find_program (GETTEXT_MSGMERGE_EXECUTABLE msgmerge)
find_program (GETTEXT_MSGFMT_EXECUTABLE msgfmt)
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 (_potBasename ${_potFile} NAME_WE)
get_filename_component (_absPotFile ${_potFile} ABSOLUTE)
set (_addToAll)
if (${_firstPoFile} STREQUAL "ALL")
set (_addToAll "ALL")
set (_firstPoFile)
endif (${_firstPoFile} STREQUAL "ALL")
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)
# msgmerge versions older than 0.11 don't actually support --update
# and --backup, let's try to workaround that (tested on 0.10.40).
execute_process (COMMAND ${GETTEXT_MSGMERGE_EXECUTABLE} -V
OUTPUT_VARIABLE _msgmergeVersion)
string (REGEX MATCH "0[.][0-9]+" _msgmergeVersion ${_msgmergeVersion})
if ("${_msgmergeVersion}" MATCHES "[.]10|[.][0-9]")
set (_msgmergeParams --quiet -s
${_absFile} -o ${_absFile} ${_absPotFile})
else ("${_msgmergeVersion}" MATCHES "[.]10|[.][0-9]")
set (_msgmergeParams --quiet --update --backup=none -s
${_absFile} ${_absPotFile})
endif ("${_msgmergeVersion}" MATCHES "[.]10|[.][0-9]")
add_custom_command (
OUTPUT ${_gmoFile}
COMMAND ${GETTEXT_MSGMERGE_EXECUTABLE} ${_msgmergeParams}
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} ${_gmoFile})
endforeach (_currentPoFile)
add_custom_target (${PROJECT_NAME}_translations ${_addToAll}
DEPENDS ${_gmoFiles})
endmacro (GETTEXT_CREATE_TRANSLATIONS)
if (GETTEXT_MSGMERGE_EXECUTABLE AND GETTEXT_MSGFMT_EXECUTABLE)
set (GETTEXT_FOUND TRUE)
else (GETTEXT_MSGMERGE_EXECUTABLE AND GETTEXT_MSGFMT_EXECUTABLE)
set (GETTEXT_FOUND FALSE)
if (GetText_REQUIRED)
message (FATAL_ERROR "GetText not found")
endif (GetText_REQUIRED)
endif (GETTEXT_MSGMERGE_EXECUTABLE AND GETTEXT_MSGFMT_EXECUTABLE)
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