1 # locale-tr.m4 serial 13
2 dnl Copyright (C) 2003, 2005-2020 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 dnl Determine the name of a turkish locale with UTF-8 encoding.
10 AC_DEFUN([gt_LOCALE_TR_UTF8],
12 AC_REQUIRE([AC_CANONICAL_HOST])
13 AC_REQUIRE([AM_LANGINFO_CODESET])
14 AC_CACHE_CHECK([for a turkish Unicode locale], [gt_cv_locale_tr_utf8], [
15 AC_LANG_CONFTEST([AC_LANG_SOURCE([[
18 #if HAVE_LANGINFO_CODESET
19 # include <langinfo.h>
27 /* On BeOS, locales are not implemented in libc. Rather, libintl
28 imitates locale dependent behaviour by looking at the environment
29 variables, and all locales use the UTF-8 encoding. But BeOS does not
30 implement the Turkish upper-/lowercase mappings. Therefore, let this
31 program return 1 on BeOS. */
32 /* Check whether the given locale name is recognized by the system. */
33 #if defined _WIN32 && !defined __CYGWIN__
34 /* On native Windows, setlocale(category, "") looks at the system settings,
35 not at the environment variables. Also, when an encoding suffix such
36 as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
37 category of the locale to "C". */
38 if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
39 || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
42 if (setlocale (LC_ALL, "") == NULL) return 1;
44 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
45 On Mac OS X 10.3.5 (Darwin 7.5) in the tr_TR locale, nl_langinfo(CODESET)
46 is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
47 On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
48 succeeds but then nl_langinfo(CODESET) is "646". In this situation,
49 some unit tests fail. */
50 #if HAVE_LANGINFO_CODESET
52 const char *cs = nl_langinfo (CODESET);
53 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
58 /* On Cygwin, avoid locale names without encoding suffix, because the
59 locale_charset() function relies on the encoding suffix. Note that
60 LC_ALL is set on the command line. */
61 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
63 /* Check whether in the abbreviation of the eighth month, the second
64 character (should be U+011F: LATIN SMALL LETTER G WITH BREVE) is
65 two bytes long, with UTF-8 encoding. */
66 t.tm_year = 1992 - 1900; t.tm_mon = 8 - 1; t.tm_mday = 19;
67 if (strftime (buf, sizeof (buf), "%b", &t) < 4
68 || buf[1] != (char) 0xc4 || buf[2] != (char) 0x9f)
70 /* Check whether the upper-/lowercase mappings are as expected for
72 if (towupper ('i') != 0x0130 || towlower (0x0130) != 'i'
73 || towupper(0x0131) != 'I' || towlower ('I') != 0x0131)
78 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
80 # Handle native Windows specially, because there setlocale() interprets
81 # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
82 # "fr" or "fra" as "French" or "French_France.1252",
83 # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
84 # "ja" as "Japanese" or "Japanese_Japan.932",
87 # Test for the hypothetical native Windows locale name.
88 if (LC_ALL=Turkish_Turkey.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
89 gt_cv_locale_tr_utf8=Turkish_Turkey.65001
92 gt_cv_locale_tr_utf8=none
96 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
97 # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
98 # configure script would override the LC_ALL setting. Likewise for
99 # LC_CTYPE, which is also set at the beginning of the configure script.
100 # Test for the usual locale name.
101 if (LC_ALL=tr_TR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
102 gt_cv_locale_tr_utf8=tr_TR
104 # Test for the locale name with explicit encoding suffix.
105 if (LC_ALL=tr_TR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
106 gt_cv_locale_tr_utf8=tr_TR.UTF-8
108 # Test for the Solaris 7 locale name.
109 if (LC_ALL=tr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
110 gt_cv_locale_tr_utf8=tr.UTF-8
113 gt_cv_locale_tr_utf8=none
120 gt_cv_locale_tr_utf8=none
124 LOCALE_TR_UTF8=$gt_cv_locale_tr_utf8
125 AC_SUBST([LOCALE_TR_UTF8])