1# locale-fr.m4 serial 20
2dnl Copyright (C) 2003, 2005-2021 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Bruno Haible.
8
9dnl Determine the name of a french locale with traditional encoding.
10AC_DEFUN([gt_LOCALE_FR],
11[
12  AC_REQUIRE([AC_CANONICAL_HOST])
13  AC_REQUIRE([AM_LANGINFO_CODESET])
14  AC_CACHE_CHECK([for a traditional french locale], [gt_cv_locale_fr], [
15    AC_LANG_CONFTEST([AC_LANG_SOURCE([[
16#include <locale.h>
17#include <time.h>
18#if HAVE_LANGINFO_CODESET
19# include <langinfo.h>
20#endif
21#include <stdlib.h>
22#include <string.h>
23struct tm t;
24char buf[16];
25int main () {
26  /* On BeOS and Haiku, 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.  */
29#if defined __BEOS__ || defined __HAIKU__
30  return 1;
31#else
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)
40    return 1;
41# else
42  if (setlocale (LC_ALL, "") == NULL) return 1;
43# endif
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 fr_FR 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     On MirBSD 10, when an unsupported locale is specified, setlocale()
51     succeeds but then nl_langinfo(CODESET) is "UTF-8".  */
52# if HAVE_LANGINFO_CODESET
53  {
54    const char *cs = nl_langinfo (CODESET);
55    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
56        || strcmp (cs, "UTF-8") == 0)
57      return 1;
58  }
59# endif
60# ifdef __CYGWIN__
61  /* On Cygwin, avoid locale names without encoding suffix, because the
62     locale_charset() function relies on the encoding suffix.  Note that
63     LC_ALL is set on the command line.  */
64  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
65# endif
66  /* Check whether in the abbreviation of the second month, the second
67     character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is only
68     one byte long. This excludes the UTF-8 encoding.  */
69  t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
70  if (strftime (buf, sizeof (buf), "%b", &t) < 3 || buf[2] != 'v') return 1;
71# if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
72  /* Check whether the decimal separator is a comma.
73     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
74     are nl_langinfo(RADIXCHAR) are both ".".  */
75  if (localeconv () ->decimal_point[0] != ',') return 1;
76# endif
77  return 0;
78#endif
79}
80      ]])])
81    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
82      case "$host_os" in
83        # Handle native Windows specially, because there setlocale() interprets
84        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
85        # "fr" or "fra" as "French" or "French_France.1252",
86        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
87        # "ja" as "Japanese" or "Japanese_Japan.932",
88        # and similar.
89        mingw*)
90          # Test for the native Windows locale name.
91          if (LC_ALL=French_France.1252 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
92            gt_cv_locale_fr=French_France.1252
93          else
94            # None found.
95            gt_cv_locale_fr=none
96          fi
97          ;;
98        *)
99          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
100          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
101          # configure script would override the LC_ALL setting. Likewise for
102          # LC_CTYPE, which is also set at the beginning of the configure script.
103          # Test for the usual locale name.
104          if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
105            gt_cv_locale_fr=fr_FR
106          else
107            # Test for the locale name with explicit encoding suffix.
108            if (LC_ALL=fr_FR.ISO-8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
109              gt_cv_locale_fr=fr_FR.ISO-8859-1
110            else
111              # Test for the AIX, OSF/1, FreeBSD, NetBSD, OpenBSD locale name.
112              if (LC_ALL=fr_FR.ISO8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
113                gt_cv_locale_fr=fr_FR.ISO8859-1
114              else
115                # Test for the HP-UX locale name.
116                if (LC_ALL=fr_FR.iso88591 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
117                  gt_cv_locale_fr=fr_FR.iso88591
118                else
119                  # Test for the Solaris 7 locale name.
120                  if (LC_ALL=fr LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
121                    gt_cv_locale_fr=fr
122                  else
123                    # None found.
124                    gt_cv_locale_fr=none
125                  fi
126                fi
127              fi
128            fi
129          fi
130          ;;
131      esac
132    fi
133    rm -fr conftest*
134  ])
135  LOCALE_FR=$gt_cv_locale_fr
136  AC_SUBST([LOCALE_FR])
137])
138
139dnl Determine the name of a french locale with UTF-8 encoding.
140AC_DEFUN([gt_LOCALE_FR_UTF8],
141[
142  AC_REQUIRE([AM_LANGINFO_CODESET])
143  AC_CACHE_CHECK([for a french Unicode locale], [gt_cv_locale_fr_utf8], [
144    AC_LANG_CONFTEST([AC_LANG_SOURCE([[
145#include <locale.h>
146#include <time.h>
147#if HAVE_LANGINFO_CODESET
148# include <langinfo.h>
149#endif
150#include <stdlib.h>
151#include <string.h>
152struct tm t;
153char buf[16];
154int main () {
155  /* On BeOS and Haiku, locales are not implemented in libc.  Rather, libintl
156     imitates locale dependent behaviour by looking at the environment
157     variables, and all locales use the UTF-8 encoding.  */
158#if !(defined __BEOS__ || defined __HAIKU__)
159  /* Check whether the given locale name is recognized by the system.  */
160# if defined _WIN32 && !defined __CYGWIN__
161  /* On native Windows, setlocale(category, "") looks at the system settings,
162     not at the environment variables.  Also, when an encoding suffix such
163     as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
164     category of the locale to "C".  */
165  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
166      || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
167    return 1;
168# else
169  if (setlocale (LC_ALL, "") == NULL) return 1;
170# endif
171  /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
172     On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
173     is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
174     On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
175     succeeds but then nl_langinfo(CODESET) is "646". In this situation,
176     some unit tests fail.  */
177# if HAVE_LANGINFO_CODESET
178  {
179    const char *cs = nl_langinfo (CODESET);
180    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
181      return 1;
182  }
183# endif
184# ifdef __CYGWIN__
185  /* On Cygwin, avoid locale names without encoding suffix, because the
186     locale_charset() function relies on the encoding suffix.  Note that
187     LC_ALL is set on the command line.  */
188  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
189# endif
190  /* Check whether in the abbreviation of the second month, the second
191     character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is
192     two bytes long, with UTF-8 encoding.  */
193  t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
194  if (strftime (buf, sizeof (buf), "%b", &t) < 4
195      || buf[1] != (char) 0xc3 || buf[2] != (char) 0xa9 || buf[3] != 'v')
196    return 1;
197#endif
198#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
199  /* Check whether the decimal separator is a comma.
200     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
201     are nl_langinfo(RADIXCHAR) are both ".".  */
202  if (localeconv () ->decimal_point[0] != ',') return 1;
203#endif
204  return 0;
205}
206      ]])])
207    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
208      case "$host_os" in
209        # Handle native Windows specially, because there setlocale() interprets
210        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
211        # "fr" or "fra" as "French" or "French_France.1252",
212        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
213        # "ja" as "Japanese" or "Japanese_Japan.932",
214        # and similar.
215        mingw*)
216          # Test for the hypothetical native Windows locale name.
217          if (LC_ALL=French_France.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
218            gt_cv_locale_fr_utf8=French_France.65001
219          else
220            # None found.
221            gt_cv_locale_fr_utf8=none
222          fi
223          ;;
224        *)
225          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
226          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
227          # configure script would override the LC_ALL setting. Likewise for
228          # LC_CTYPE, which is also set at the beginning of the configure script.
229          # Test for the usual locale name.
230          if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
231            gt_cv_locale_fr_utf8=fr_FR
232          else
233            # Test for the locale name with explicit encoding suffix.
234            if (LC_ALL=fr_FR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
235              gt_cv_locale_fr_utf8=fr_FR.UTF-8
236            else
237              # Test for the Solaris 7 locale name.
238              if (LC_ALL=fr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
239                gt_cv_locale_fr_utf8=fr.UTF-8
240              else
241                # None found.
242                gt_cv_locale_fr_utf8=none
243              fi
244            fi
245          fi
246          ;;
247      esac
248    fi
249    rm -fr conftest*
250  ])
251  LOCALE_FR_UTF8=$gt_cv_locale_fr_utf8
252  AC_SUBST([LOCALE_FR_UTF8])
253])
254