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# Special targets for translations:
#
# translations
# Converts all PO files to GMO files. Note that it does *not* update
# the PO files or the PO templates -- in fact, these files are never
# updated automatically.
#
# generate-pot
# Re-creates all POT files unconditionally.
#
# update-po
# Updates all PO files unconditionally. Note that it takes care of
# updating the POT files.
#
# translations-<DOMAIN>
# generate-pot-<DOMAIN>
# update-po-<DOMAIN>
# Same as above, but only affect the files in the corresponding
# po/<DOMAIN> directory. (DOMAIN is actually the base name of the POT
# file in the subdirectory, but that should match the directory name
# anyway.)
ADD_CUSTOM_TARGET(translations)
ADD_CUSTOM_TARGET(generate-pot)
ADD_CUSTOM_TARGET(update-po)
# GETTEXT_CREATE_TRANSLATIONS(domain [DEFAULT_TARGET] lang1 ... langN)
#
# Creates custom build rules to create and install (G)MO files for the
# specified languages. If the DEFAULT_TARGET option is used, the
# translations will also be created when building the default target.
#
# "domain" is the translation domain, eg. "stellarium". A POT file
# with the name ${domain}.pot must exist in the directory of the
# CMakeLists.txt file invoking the macro.
#
# This macro also creates the "translations-${domain}" and
# "update-po-${domain}" targets (see above for an explanation).
#
MACRO(GETTEXT_CREATE_TRANSLATIONS _domain _firstLang)
SET(_gmoFiles)
GET_FILENAME_COMPONENT(_absPotFile ${_domain}.pot ABSOLUTE)
# Update these PO files when building the "update-po-<DOMAIN>" and
# "update-po" targets.
ADD_CUSTOM_TARGET(update-po-${_domain})
ADD_DEPENDENCIES(update-po update-po-${_domain})
# Make sure the POT file is updated before updating the PO files.
ADD_DEPENDENCIES(update-po-${_domain} generate-pot-${_domain})
SET(_addToAll)
IF(${_firstLang} STREQUAL "DEFAULT_TARGET")
SET(_addToAll "ALL")
SET(_firstLang)
ENDIF(${_firstLang} STREQUAL "DEFAULT_TARGET")
FOREACH (_lang ${ARGN})
GET_FILENAME_COMPONENT(_absFile ${_lang}.po ABSOLUTE)
FILE(RELATIVE_PATH _relFile ${PROJECT_SOURCE_DIR} ${_absFile})
SET(_gmoFile ${CMAKE_CURRENT_BINARY_DIR}/${_lang}.gmo)
# Convert a PO file into a GMO file.
ADD_CUSTOM_COMMAND(
OUTPUT ${_gmoFile}
COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} -o ${_gmoFile} ${_absFile}
DEPENDS ${_absFile}
)
# Update the PO file unconditionally when building the
# "update-po-<DOMAIN>" target. Note that to see the file being
# processed, we have to run "cmake -E echo", because the
# COMMENT is not displayed by cmake...
ADD_CUSTOM_COMMAND(
TARGET update-po-${_domain}
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo "** Updating ${_relFile}"
COMMAND ${GETTEXT_MSGMERGE_EXECUTABLE}
--quiet --update -m --backup=none -s
${_absFile} ${_absPotFile}
VERBATIM
)
INSTALL(FILES ${_gmoFile} DESTINATION share/locale/${_lang}/LC_MESSAGES RENAME ${_domain}.mo)
SET(_gmoFiles ${_gmoFiles} ${_gmoFile})
ENDFOREACH (_lang)
# Create the GMO files when building the "translations-<DOMAIN>" and
# "translations" targets.
ADD_CUSTOM_TARGET(translations-${_domain} ${_addToAll} DEPENDS ${_gmoFiles})
ADD_DEPENDENCIES(translations translations-${_domain})
ENDMACRO(GETTEXT_CREATE_TRANSLATIONS )
ADD_SUBDIRECTORY(stellarium)
ADD_SUBDIRECTORY(stellarium-skycultures)
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