1 # locale-tr.m4 serial 4
2 dnl Copyright (C) 2003, 2005-2007 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.
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 #if HAVE_LANGINFO_CODESET
37 if (nl_langinfo (CODESET) [0] == '\0') return 1;
40 /* On Cygwin, avoid locale names without encoding suffix, because the
41 locale_charset() function relies on the encoding suffix. Note that
42 LC_ALL is set on the command line. */
43 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
45 /* Check whether in the abbreviation of the eighth month, the second
46 character (should be U+011F: LATIN SMALL LETTER G WITH BREVE) is
47 two bytes long, with UTF-8 encoding. */
48 t.tm_year = 1992 - 1900; t.tm_mon = 8 - 1; t.tm_mday = 19;
49 if (strftime (buf, sizeof (buf), "%b", &t) < 4
50 || buf[1] != (char) 0xc4 || buf[2] != (char) 0x9f)
52 /* Check whether the upper-/lowercase mappings are as expected for
54 if (towupper ('i') != 0x0130 || towlower (0x0130) != 'i'
55 || towupper(0x0131) != 'I' || towlower ('I') != 0x0131)
61 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
62 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
63 # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
64 # configure script would override the LC_ALL setting. Likewise for
65 # LC_CTYPE, which is also set at the beginning of the configure script.
66 # Test for the usual locale name.
67 if (LC_ALL=tr_TR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
68 gt_cv_locale_tr_utf8=tr_TR
70 # Test for the locale name with explicit encoding suffix.
71 if (LC_ALL=tr_TR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
72 gt_cv_locale_tr_utf8=tr_TR.UTF-8
74 # Test for the Solaris 7 locale name.
75 if (LC_ALL=tr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
76 gt_cv_locale_tr_utf8=tr.UTF-8
79 gt_cv_locale_tr_utf8=none
84 gt_cv_locale_tr_utf8=none
88 LOCALE_TR_UTF8=$gt_cv_locale_tr_utf8
89 AC_SUBST([LOCALE_TR_UTF8])