1 # locale-tr.m4 serial 6
2 dnl Copyright (C) 2003, 2005-2010 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([AM_LANGINFO_CODESET])
13 AC_CACHE_CHECK([for a turkish Unicode locale], [gt_cv_locale_tr_utf8], [
14 AC_LANG_CONFTEST([AC_LANG_SOURCE([
18 #if HAVE_LANGINFO_CODESET
19 # include <langinfo.h>
26 /* On BeOS, locales are not implemented in libc. Rather, libintl
27 imitates locale dependent behaviour by looking at the environment
28 variables, and all locales use the UTF-8 encoding. But BeOS does not
29 implement the Turkish upper-/lowercase mappings. Therefore, let this
30 program return 1 on BeOS. */
31 /* Check whether the given locale name is recognized by the system. */
32 if (setlocale (LC_ALL, "") == NULL) return 1;
33 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
34 On MacOS X 10.3.5 (Darwin 7.5) in the tr_TR locale, nl_langinfo(CODESET)
35 is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
36 On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
37 succeeds but then nl_langinfo(CODESET) is "646". In this situation,
38 some unit tests fail. */
39 #if HAVE_LANGINFO_CODESET
41 const char *cs = nl_langinfo (CODESET);
42 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
47 /* On Cygwin, avoid locale names without encoding suffix, because the
48 locale_charset() function relies on the encoding suffix. Note that
49 LC_ALL is set on the command line. */
50 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
52 /* Check whether in the abbreviation of the eighth month, the second
53 character (should be U+011F: LATIN SMALL LETTER G WITH BREVE) is
54 two bytes long, with UTF-8 encoding. */
55 t.tm_year = 1992 - 1900; t.tm_mon = 8 - 1; t.tm_mday = 19;
56 if (strftime (buf, sizeof (buf), "%b", &t) < 4
57 || buf[1] != (char) 0xc4 || buf[2] != (char) 0x9f)
59 /* Check whether the upper-/lowercase mappings are as expected for
61 if (towupper ('i') != 0x0130 || towlower (0x0130) != 'i'
62 || towupper(0x0131) != 'I' || towlower ('I') != 0x0131)
68 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
69 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
70 # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
71 # configure script would override the LC_ALL setting. Likewise for
72 # LC_CTYPE, which is also set at the beginning of the configure script.
73 # Test for the usual locale name.
74 if (LC_ALL=tr_TR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
75 gt_cv_locale_tr_utf8=tr_TR
77 # Test for the locale name with explicit encoding suffix.
78 if (LC_ALL=tr_TR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
79 gt_cv_locale_tr_utf8=tr_TR.UTF-8
81 # Test for the Solaris 7 locale name.
82 if (LC_ALL=tr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
83 gt_cv_locale_tr_utf8=tr.UTF-8
86 gt_cv_locale_tr_utf8=none
91 gt_cv_locale_tr_utf8=none
95 LOCALE_TR_UTF8=$gt_cv_locale_tr_utf8
96 AC_SUBST([LOCALE_TR_UTF8])