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The code was moved to a dedicated file (wm_i18n.m4) to reduce the size of configure.ac; It now searches for gettext+libintl only if LINGUAS is specified, because there is no need for them otherwise; The list of supported locales is created automatically from the list of files present in the source tree, so there won't be problem forgetting to update the variables when a new language is added, or removed because one is considered outdated; The new syntax is now using as much as possible Autoconf's syntax to ensure consistency and better portability; Took opportunity to improve the language check loop to make it smaller and to tell when a locale that the user asked for is not fully supported. Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
95 lines
4.0 KiB
Plaintext
95 lines
4.0 KiB
Plaintext
# wm_i18n.m4 - Macros to check and enable translations in WindowMaker
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#
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# Copyright (c) 2014-2015 Christophe CURIS
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# Copyright (c) 2015 The Window Maker Tean
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; see the file COPYING.
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# WM_I18N_LANGUAGES
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# -----------------
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#
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# Detect which languages the user wants to be installed and check if
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# the gettext environment is available.
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#
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# The list of languages are provided through the environment variable
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# LINGUAS as a space-separated list of ISO 3166 country codes.
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# This list is checked against the list of currently available languages
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# the sources and a warning is issued if a language is not found.
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#
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# Support for internationalisation is disabled if the variable is empty
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# (or undefined)
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#
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# The variable 'supported_locales' is created to contain the list of
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# languages that will have been detected properly and will be installed
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AC_DEFUN_ONCE([WM_I18N_LANGUAGES],
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[AC_ARG_VAR([LINGUAS],
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[list of language translations to support (I18N), use 'list' to get the list of supported languages, default: none])dnl
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AS_IF([test "x$LINGUAS" != "x"],
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[wm_save_LIBS="$LIBS"
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AC_SEARCH_LIBS([gettext], [intl], [],
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[AC_MSG_ERROR([support for internationalization requested, but library for gettext not found])])
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AS_IF([test "x$ac_cv_search_gettext" = "xnone required"],
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[INTLIBS=""],
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[INTLIBS="$ac_cv_search_gettext"])
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AC_CHECK_FUNCS([gettext dgettext], [],
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[AC_MSG_ERROR([support for internationalization requested, but gettext was not found])])
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LIBS="$wm_save_LIBS"
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dnl
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dnl Environment is sane, let's continue
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AC_DEFINE([I18N], [1], [Internationalization (I18N) support (set by configure)])
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supported_locales=""
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# This is the list of locales that our archive currently supports
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wings_locales=" m4_esyscmd([ls WINGs/po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
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wmaker_locales=" m4_esyscmd([ls po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
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wprefs_locales=" m4_esyscmd([ls WPrefs.app/po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
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util_locales=" m4_esyscmd([ls util/po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
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# Check every language asked by user against these lists to know what to install
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for lang in $LINGUAS; do
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found=0
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wm_missing=""
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m4_foreach([REGION], [WINGs, wmaker, WPrefs, util],
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[AS_IF([echo "$[]m4_tolower(REGION)[]_locales" | grep " $lang " > /dev/null],
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[m4_toupper(REGION)MOFILES="$[]m4_toupper(REGION)MOFILES $lang.mo"
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found=1],
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[wm_missing="$wm_missing, REGION"])
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])
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# Locale has to be supported by at least one part to be reported in the end
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# If it is not supported everywhere we just display a message to the user so
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# that he knows about it
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wm_missing="`echo "$wm_missing" | sed -e 's/^, //' `"
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AS_IF([test $found = 1],
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[supported_locales="$supported_locales $lang"
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AS_IF([test "x$wm_missing" != "x"],
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[AC_MSG_WARN([locale $lang is not supported in $wm_missing])]) ],
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[AC_MSG_WARN([locale $lang is not supported at all, ignoring])])
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done
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],
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[INTLIBS=""
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WINGSMOFILES=""
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WMAKERMOFILES=""
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WPREFSMOFILES=""
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UTILMOFILES=""
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supported_locales=" disabled"])
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dnl
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dnl The variables that are used in the Makefiles:
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AC_SUBST([INTLIBS])dnl
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AC_SUBST([WINGSMOFILES])dnl
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AC_SUBST([WMAKERMOFILES])dnl
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AC_SUBST([WPREFSMOFILES])dnl
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AC_SUBST([UTILMOFILES])dnl
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])
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