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# Gettext support: Create/Update pot file and
#
# To use: INCLUDE(Gettext)
#
# Most of the gettext support code is from FindGettext.cmake of cmake,
# but it is included here because:
#
# 1. Some system like RHEL5 does not have FindGettext.cmake
# 2. Bug of GETTEXT_CREATE_TRANSLATIONS make it unable to be include in 'All'
# 3. It does not support xgettext
#
#===================================================================
# Constants:
# XGETTEXT_OPTIONS_DEFAULT: Default xgettext option:
#===================================================================
# Variables:
# XGETTEXT_OPTIONS: Options pass to xgettext
# Default: XGETTEXT_OPTIONS_DEFAULT
# 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.
# XGETTEXT_EXECUTABLE: the full path to the xgettext.
# XGETTEXT_FOUND: True if xgettext has been found.
#
#===================================================================
# Macros:
# GETTEXT_CREATE_POT(potFile
# [OPTION xgettext_options]
# SRC list_of_source_file_that_contains_msgid
# )
#
# Generate .pot file.
# OPTION xgettext_options: Override XGETTEXT_OPTIONS
#
# * Produced targets: pot_file
#
#-------------------------------------------------------------------
# GETTEXT_CREATE_TRANSLATIONS ( outputFile [ALL] locale1 ... localeN
# [COMMENT comment] )
#
# 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.
#
# * Produced targets: translations
#-------------------------------------------------------------------
FIND_PROGRAM(GETTEXT_MSGMERGE_EXECUTABLE msgmerge)
FIND_PROGRAM(GETTEXT_MSGFMT_EXECUTABLE msgfmt)
FIND_PROGRAM(GETTEXT_MSGCAT_EXECUTABLE msgcat)
FIND_PROGRAM(XGETTEXT_EXECUTABLE xgettext)
SET(XGETTEXT_OPTIONS_DEFAULT
--language=C --keyword=_ --keyword=N_ --keyword=C_:1c,2 --keyword=NC_:1c,2 -s
--escape --add-comments="/" --package-name=${PROJECT_NAME} --package-version=${VERSION})
IF (GETTEXT_MSGMERGE_EXECUTABLE AND GETTEXT_MSGFMT_EXECUTABLE AND GETTEXT_MSGCAT_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 AND GETTEXT_MSGCAT_EXECUTABLE)
IF(XGETTEXT_EXECUTABLE)
SET(XGETTEXT_FOUND TRUE)
ELSE(XGETTEXT_EXECUTABLE)
MESSAGE(STATUS "xgettext not found.")
SET(XGETTTEXT_FOUND FALSE)
ENDIF(XGETTEXT_EXECUTABLE)
IF(NOT DEFINED XGETTEXT_OPTIONS)
SET(XGETTEXT_OPTIONS ${XGETTEXT_OPTIONS_DEFAULT})
ENDIF(NOT DEFINED XGETTEXT_OPTIONS)
IF(XGETTEXT_FOUND)
MACRO(GETTEXT_CREATE_POT _potFile _pot_options )
SET(_xgettext_options_list)
SET(_src_list)
SET(_src_list_abs)
SET(_glade_list)
SET(_glade_list_abs)
SET(_stage "SRC")
FOREACH(_pot_option ${_pot_options} ${ARGN})
IF(_pot_option STREQUAL "OPTION")
SET(_stage "OPTION")
ELSEIF(_pot_option STREQUAL "SRC")
SET(_stage "SRC")
ELSEIF(_pot_option STREQUAL "GLADE")
SET(_stage "GLADE")
ELSE(_pot_option STREQUAL "OPTION")
IF(_stage STREQUAL "OPTION")
SET(_xgettext_options_list ${_xgettext_options_list} ${_pot_option})
ELSEIF(_stage STREQUAL "GLADE")
FILE(RELATIVE_PATH _relFile ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}/${_pot_option})
GET_FILENAME_COMPONENT(_absFile ${_pot_option} ABSOLUTE)
SET(_glade_list ${_glade_list} ${_relFile})
SET(_glade_list_abs ${_glade_list_abs} ${_absFile})
ELSEIF(_stage STREQUAL "SRC")
FILE(RELATIVE_PATH _relFile ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${_pot_option})
GET_FILENAME_COMPONENT(_absFile ${_pot_option} ABSOLUTE)
SET(_src_list ${_src_list} ${_relFile})
SET(_src_list_abs ${_src_list_abs} ${_absFile})
ENDIF(_stage STREQUAL "OPTION")
ENDIF(_pot_option STREQUAL "OPTION")
ENDFOREACH(_pot_option ${_pot_options} ${ARGN})
IF (_xgettext_options_list)
SET(_xgettext_options ${_xgettext_options_list})
ELSE(_xgettext_options_list)
SET(_xgettext_options ${XGETTEXT_OPTIONS})
ENDIF(_xgettext_options_list)
#MESSAGE("${XGETTEXT_EXECUTABLE} ${_xgettext_options_list} -o ${_potFile} ${_src_list}")
ADD_CUSTOM_COMMAND(OUTPUT pot_file
COMMAND ${XGETTEXT_EXECUTABLE} ${_xgettext_options} -o ${_potFile} ${_src_list}
DEPENDS ${_src_list_abs} ${GLADE_FILES}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
ADD_CUSTOM_TARGET(pot_file
COMMAND ${XGETTEXT_EXECUTABLE} ${_xgettext_options_list} -o _source.pot ${_src_list}
COMMAND ${XGETTEXT_EXECUTABLE} --language=Glade --omit-header -o _glade.pot ${_glade_list}
COMMAND ${GETTEXT_MSGCAT_EXECUTABLE} -o ${_potFile} --use-first _source.pot _glade.pot
DEPENDS ${_src_list_abs}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Extract translatable messages to ${_potFile}"
)
ENDMACRO(GETTEXT_CREATE_POT _potFile _pot_options)
MACRO(GETTEXT_CREATE_TRANSLATIONS _potFile _firstLang)
SET(_gmoFiles)
GET_FILENAME_COMPONENT(_potBasename ${_potFile} NAME_WE)
GET_FILENAME_COMPONENT(_absPotFile ${_potFile} ABSOLUTE)
SET(_addToAll)
SET(_is_comment FALSE)
FOREACH (_currentLang ${_firstLang} ${ARGN})
IF(_currentLang STREQUAL "ALL")
SET(_addToAll "ALL")
ELSEIF(_currentLang STREQUAL "COMMENT")
SET(_is_comment TRUE)
ELSEIF(_is_comment)
SET(_is_comment FALSE)
SET(_comment ${_currentLang})
ELSE()
SET(_lang ${_currentLang})
GET_FILENAME_COMPONENT(_absFile ${_currentLang}.po ABSOLUTE)
GET_FILENAME_COMPONENT(_abs_PATH ${_absFile} PATH)
SET(_gmoFile ${CMAKE_CURRENT_BINARY_DIR}/${_lang}.mo)
#MESSAGE("_absFile=${_absFile} _abs_PATH=${_abs_PATH} _lang=${_lang} curr_bin=${CMAKE_CURRENT_BINARY_DIR}")
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}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
INSTALL(FILES ${_gmoFile} DESTINATION share/locale/${_lang}/LC_MESSAGES RENAME ${_potBasename}.mo)
SET(_gmoFiles ${_gmoFiles} ${_gmoFile})
ENDIF()
ENDFOREACH (_currentLang )
IF(DEFINED _comment)
ADD_CUSTOM_TARGET(translations ${_addToAll} DEPENDS ${_gmoFiles} COMMENT ${_comment})
ELSE(DEFINED _comment)
ADD_CUSTOM_TARGET(translations ${_addToAll} DEPENDS ${_gmoFiles})
ENDIF(DEFINED _comment)
ENDMACRO(GETTEXT_CREATE_TRANSLATIONS )
ENDIF(XGETTEXT_FOUND)
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