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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 "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.
FIND_PROGRAM(GETTEXT_XGETTEXT_EXECUTABLE xgettext)
FIND_PROGRAM(GETTEXT_MSGMERGE_EXECUTABLE msgmerge)
FIND_PROGRAM(GETTEXT_MSGFMT_EXECUTABLE msgfmt)
MACRO(GETTEXT_CREATE_TRANSLATIONS _potFile _firstPoFile)
SET(_gmoFiles)
GET_FILENAME_COMPONENT(_potBaseName ${_potFile} NAME_WE)
GET_FILENAME_COMPONENT(_absPotFile ${_potFile} ABSOLUTE)
GET_FILENAME_COMPONENT(_absPotFileIn POTFILES.in ABSOLUTE)
# Update message strings from the code [TODO: run even if pot file exists!]
ADD_CUSTOM_COMMAND(
OUTPUT ${_absPotFile}
COMMAND ${GETTEXT_XGETTEXT_EXECUTABLE} -o ${_absPotFile} --keyword=_ --keyword=q_ --keyword=N_ -C --default-domain=stellarium --directory=${PROJECT_SOURCE_DIR} --files-from=${_absPotFileIn} --copyright-holder="Fabien Chereau et al"
DEPENDS POTFILES.in
)
SET(_addToAll)
IF(${_firstPoFile} STREQUAL "ALL")
SET(_addToAll "ALL")
SET(_firstPoFile)
ENDIF(${_firstPoFile} STREQUAL "ALL")
FOREACH (_currentPoFile ${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 (_currentPoFile )
ADD_CUSTOM_TARGET(translations ${_addToAll} DEPENDS stellarium.pot ${_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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