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The program may not be installed because it is not needed for non-dev activities, so it is better to check at the beginning than to let the compilation fail later. The check is done only if the user has specified that he wants to install translations. Took the opportunity to make the generation of "mo" file follow the silent rules in Makefiles if user enabled them. Signed-off-by: Christophe <curis@Ares.blacknet.hell>
116 lines
4.9 KiB
Plaintext
116 lines
4.9 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="$wm_save_LIBS"
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dnl
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dnl The program 'msgfmt' is needed to convert the 'po' files into 'mo' files
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AC_CHECK_PROG([MSGFMT], [msgfmt], [msgfmt])
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AS_IF([test "x$MSGFMT" = "x"],
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[AC_MSG_ERROR([the program 'msgfmt' is mandatory to install translation - do you miss the package 'gettext'?])])
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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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# WM_I18N_XGETTEXT
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# ----------------
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#
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# xgettext is used to generate the Templates for translation, it is not
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# mandatory for users, only for translation teams. We look for it even
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# if I18N was not asked because it can be used by dev team.
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AC_DEFUN_ONCE([WM_I18N_XGETTEXT],
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[AC_CHECK_PROGS([XGETTEXT], [xgettext], [])
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AS_IF([test "x$XGETTEXT" != "x"],
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AS_IF([$XGETTEXT --help 2>&1 | grep "illegal" > /dev/null],
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[AC_MSG_WARN([[$XGETTEXT is not GNU version, ignoring]])
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XGETTEXT=""]))
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AM_CONDITIONAL([HAVE_XGETTEXT], [test "x$XGETTEXT" != "x"])dnl
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])
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