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
|
# btowc.m4 serial 4
dnl Copyright (C) 2008-2009 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.
AC_DEFUN([gl_FUNC_BTOWC],
[
AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
AC_CHECK_FUNCS_ONCE([btowc])
if test $ac_cv_func_btowc = no; then
HAVE_BTOWC=0
else
dnl IRIX 6.5 btowc(EOF) is 0xFF, not WEOF.
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([gt_LOCALE_FR])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether btowc(EOF) is correct],
[gl_cv_func_btowc_eof],
[
dnl Initial guess, used when cross-compiling or when no suitable locale
dnl is present.
changequote(,)dnl
case "$host_os" in
# Guess no on IRIX.
irix*) gl_cv_func_btowc_eof="guessing no" ;;
# Guess yes otherwise.
*) gl_cv_func_btowc_eof="guessing yes" ;;
esac
changequote([,])dnl
if test $LOCALE_FR != none; then
AC_TRY_RUN([
#include <locale.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
int main ()
{
if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
{
if (btowc (EOF) != WEOF)
return 1;
}
return 0;
}],
[gl_cv_func_btowc_eof=yes],
[gl_cv_func_btowc_eof=no],
[:])
fi
])
case "$gl_cv_func_btowc_eof" in
*yes) ;;
*) REPLACE_BTOWC=1 ;;
esac
fi
if test $HAVE_BTOWC = 0 || test $REPLACE_BTOWC = 1; then
gl_REPLACE_WCHAR_H
AC_LIBOBJ([btowc])
gl_PREREQ_BTOWC
fi
])
# Prerequisites of lib/btowc.c.
AC_DEFUN([gl_PREREQ_BTOWC], [
:
])
|
