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# locale-ja.m4 serial 7
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dnl Copyright (C) 2003, 2005-2010 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl Determine the name of a japanese locale with EUC-JP encoding.
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AC_DEFUN([gt_LOCALE_JA],
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AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([AM_LANGINFO_CODESET])
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AC_CACHE_CHECK([for a traditional japanese locale], [gt_cv_locale_ja], [
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AC_LANG_CONFTEST([AC_LANG_SOURCE([
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#if HAVE_LANGINFO_CODESET
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# include <langinfo.h>
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/* Check whether the given locale name is recognized by the system. */
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if (setlocale (LC_ALL, "") == NULL) return 1;
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/* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
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On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
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is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
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On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
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succeeds but then nl_langinfo(CODESET) is "646". In this situation,
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some unit tests fail. */
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#if HAVE_LANGINFO_CODESET
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const char *cs = nl_langinfo (CODESET);
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if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
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/* On Cygwin, avoid locale names without encoding suffix, because the
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locale_charset() function relies on the encoding suffix. Note that
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LC_ALL is set on the command line. */
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if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
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/* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales
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/* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
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This excludes the UTF-8 encoding. */
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t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
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if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1;
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for (p = buf; *p != '\0'; p++)
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if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0)
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if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
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# Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
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# otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
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# configure script would override the LC_ALL setting. Likewise for
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# LC_CTYPE, which is also set at the beginning of the configure script.
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# Test for the AIX locale name.
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if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
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# Test for the locale name with explicit encoding suffix.
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if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
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gt_cv_locale_ja=ja_JP.EUC-JP
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# Test for the HP-UX, OSF/1, NetBSD locale name.
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if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
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gt_cv_locale_ja=ja_JP.eucJP
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# Test for the IRIX, FreeBSD locale name.
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if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
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gt_cv_locale_ja=ja_JP.EUC
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# Test for the Solaris 7 locale name.
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if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
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# Special test for NetBSD 1.6.
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if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then
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gt_cv_locale_ja=ja_JP.eucJP
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LOCALE_JA=$gt_cv_locale_ja
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AC_SUBST([LOCALE_JA])
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m4/locale-ja.m4
