1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
# locale-en.m4
# serial 1
dnl Copyright (C) 2003-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
dnl Determine the name of an English (or American English) locale with
dnl UTF-8 encoding.
AC_DEFUN_ONCE([gt_LOCALE_EN_UTF8],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AM_LANGINFO_CODESET])
AC_CACHE_CHECK([for an english Unicode locale], [gt_cv_locale_en_utf8], [
case "$host_os" in
*-musl* | midipix*)
dnl On musl libc, all kinds of ll_CC.UTF-8 locales exist, even without
dnl any locale file on disk. But they are effectively equivalent to the
dnl C.UTF-8 locale, except for locale categories (such as LC_MESSSAGES)
dnl for which localizations (.mo files) have been installed.
gt_cv_locale_en_utf8=en_US.UTF-8
;;
*)
AC_LANG_CONFTEST([AC_LANG_SOURCE([[
#include <locale.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <stdlib.h>
#include <string.h>
struct tm t;
char buf[16];
int main () {
/* On BeOS and Haiku, locales are not implemented in libc. Rather, libintl
imitates locale dependent behaviour by looking at the environment
variables, and all locales use the UTF-8 encoding. */
#if !(defined __BEOS__ || defined __HAIKU__)
/* Check whether the given locale name is recognized by the system. */
# if defined _WIN32 && !defined __CYGWIN__
/* On native Windows, setlocale(category, "") looks at the system settings,
not at the environment variables. Also, when an encoding suffix such
as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
category of the locale to "C". */
if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
|| strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
return 1;
# else
if (setlocale (LC_ALL, "") == NULL) return 1;
# endif
/* Check whether nl_langinfo(CODESET) is "UTF-8" or equivalent. */
# if HAVE_LANGINFO_CODESET
{
const char *cs = nl_langinfo (CODESET);
if (!(strcmp (cs, "UTF-8") == 0 || strcmp (cs, "UTF8") == 0
|| strcmp (cs, "utf-8") == 0 || strcmp (cs, "utf8") == 0))
return 1;
}
# endif
# ifdef __CYGWIN__
/* On Cygwin, avoid locale names without encoding suffix, because the
locale_charset() function relies on the encoding suffix. Note that
LC_ALL is set on the command line. */
if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
# endif
/* Check the third month name. */
t.tm_year = 1975 - 1900; t.tm_mon = 3 - 1; t.tm_mday = 24;
if (strftime (buf, sizeof (buf), "%B", &t) < 5 || strcmp (buf, "March") != 0)
return 1;
#endif
#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy. */
/* Check whether the decimal separator is a dot. */
if (localeconv () ->decimal_point[0] != '.') return 1;
#endif
return 0;
}
]])])
if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
case "$host_os" in
# Handle native Windows specially, because there setlocale() interprets
# "ar" or "ara" as "Arabic" or "Arabic_Saudi Arabia.1256",
# "en" or "eng" as "English" or "English_United States.1252",
# "fr" or "fra" as "French" or "French_France.1252",
# "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
# "ja" or "jpn" as "Japanese" or "Japanese_Japan.932",
# and similar.
mingw* | windows*)
# Test for the hypothetical native Windows locale name.
if (LC_ALL='English_United States.65001' LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
gt_cv_locale_en_utf8='English_United States.65001'
else
# None found.
gt_cv_locale_en_utf8=none
fi
;;
*)
# Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
# otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
# configure script would override the LC_ALL setting. Likewise for
# LC_CTYPE, which is also set at the beginning of the configure script.
# Test for the locale name with explicit encoding suffix first
# (this is necessary on Haiku).
if (LC_ALL=en_US.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
gt_cv_locale_en_utf8=en_US.UTF-8
else
# Test for the locale name without encoding suffix.
if (LC_ALL=en_US LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
gt_cv_locale_en_utf8=en_US
else
# Test for the Solaris 10 locale name.
if (LC_ALL=en.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
gt_cv_locale_en_utf8=en.UTF-8
else
# None found.
gt_cv_locale_en_utf8=none
fi
fi
fi
;;
esac
fi
rm -fr conftest*
;;
esac
])
LOCALE_EN_UTF8="$gt_cv_locale_en_utf8"
case "$LOCALE_EN_UTF8" in #(
'' | *[[\"\$\'*@<:@]]*)
dnl The empty value occurs when the conftest.c program above could not
dnl be compiled. The other values might cause trouble with sh or make.
AC_MSG_WARN([invalid locale "$LOCALE_EN_UTF8"; assuming "none"])
LOCALE_EN_UTF8=none;;
esac
AC_SUBST([LOCALE_EN_UTF8])
])
|
