1 # locale-tr.m4 serial 7
2 dnl Copyright (C) 2003, 2005-2011 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 (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
33 /* On native Win32, setlocale(category, "") looks at the system settings,
34 not at the environment variables. Also, when an encoding suffix such
35 as ".65001" or ".54936" is speficied, it succeeds but sets the LC_CTYPE
36 category of the locale to "C". */
37 if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
38 || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
41 if (setlocale (LC_ALL, "") == NULL) return 1;
43 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
44 On MacOS X 10.3.5 (Darwin 7.5) in the tr_TR locale, nl_langinfo(CODESET)
45 is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
46 On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
47 succeeds but then nl_langinfo(CODESET) is "646". In this situation,
48 some unit tests fail. */
49 #if HAVE_LANGINFO_CODESET
51 const char *cs = nl_langinfo (CODESET);
52 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
57 /* On Cygwin, avoid locale names without encoding suffix, because the
58 locale_charset() function relies on the encoding suffix. Note that
59 LC_ALL is set on the command line. */
60 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
62 /* Check whether in the abbreviation of the eighth month, the second
63 character (should be U+011F: LATIN SMALL LETTER G WITH BREVE) is
64 two bytes long, with UTF-8 encoding. */
65 t.tm_year = 1992 - 1900; t.tm_mon = 8 - 1; t.tm_mday = 19;
66 if (strftime (buf, sizeof (buf), "%b", &t) < 4
67 || buf[1] != (char) 0xc4 || buf[2] != (char) 0x9f)
69 /* Check whether the upper-/lowercase mappings are as expected for
71 if (towupper ('i') != 0x0130 || towlower (0x0130) != 'i'
72 || towupper(0x0131) != 'I' || towlower ('I') != 0x0131)
78 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
79 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
80 # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
81 # configure script would override the LC_ALL setting. Likewise for
82 # LC_CTYPE, which is also set at the beginning of the configure script.
83 # Test for the usual locale name.
84 if (LC_ALL=tr_TR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
85 gt_cv_locale_tr_utf8=tr_TR
87 # Test for the locale name with explicit encoding suffix.
88 if (LC_ALL=tr_TR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
89 gt_cv_locale_tr_utf8=tr_TR.UTF-8
91 # Test for the Solaris 7 locale name.
92 if (LC_ALL=tr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
93 gt_cv_locale_tr_utf8=tr.UTF-8
96 gt_cv_locale_tr_utf8=none
101 gt_cv_locale_tr_utf8=none
105 LOCALE_TR_UTF8=$gt_cv_locale_tr_utf8
106 AC_SUBST([LOCALE_TR_UTF8])