112 lines
3.4 KiB
Text
112 lines
3.4 KiB
Text
# wcrtomb.m4 serial 11
|
|
dnl Copyright (C) 2008-2013 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_WCRTOMB],
|
|
[
|
|
AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
|
|
|
|
AC_REQUIRE([AC_TYPE_MBSTATE_T])
|
|
gl_MBSTATE_T_BROKEN
|
|
|
|
AC_CHECK_FUNCS_ONCE([wcrtomb])
|
|
if test $ac_cv_func_wcrtomb = no; then
|
|
HAVE_WCRTOMB=0
|
|
AC_CHECK_DECLS([wcrtomb],,, [[
|
|
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
|
|
<wchar.h>.
|
|
BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
|
|
included before <wchar.h>. */
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <wchar.h>
|
|
]])
|
|
if test $ac_cv_have_decl_wcrtomb = yes; then
|
|
dnl On Minix 3.1.8, the system's <wchar.h> declares wcrtomb() although
|
|
dnl it does not have the function. Avoid a collision with gnulib's
|
|
dnl replacement.
|
|
REPLACE_WCRTOMB=1
|
|
fi
|
|
else
|
|
if test $REPLACE_MBSTATE_T = 1; then
|
|
REPLACE_WCRTOMB=1
|
|
else
|
|
dnl On AIX 4.3, OSF/1 5.1 and Solaris 10, wcrtomb (NULL, 0, NULL) sometimes
|
|
dnl returns 0 instead of 1.
|
|
AC_REQUIRE([AC_PROG_CC])
|
|
AC_REQUIRE([gt_LOCALE_FR])
|
|
AC_REQUIRE([gt_LOCALE_FR_UTF8])
|
|
AC_REQUIRE([gt_LOCALE_JA])
|
|
AC_REQUIRE([gt_LOCALE_ZH_CN])
|
|
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
|
|
AC_CACHE_CHECK([whether wcrtomb return value is correct],
|
|
[gl_cv_func_wcrtomb_retval],
|
|
[
|
|
dnl Initial guess, used when cross-compiling or when no suitable locale
|
|
dnl is present.
|
|
changequote(,)dnl
|
|
case "$host_os" in
|
|
# Guess no on AIX 4, OSF/1 and Solaris.
|
|
aix4* | osf* | solaris*) gl_cv_func_wcrtomb_retval="guessing no" ;;
|
|
# Guess yes otherwise.
|
|
*) gl_cv_func_wcrtomb_retval="guessing yes" ;;
|
|
esac
|
|
changequote([,])dnl
|
|
if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
|
|
AC_RUN_IFELSE(
|
|
[AC_LANG_SOURCE([[
|
|
#include <locale.h>
|
|
#include <string.h>
|
|
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
|
|
<wchar.h>.
|
|
BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
|
|
included before <wchar.h>. */
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <wchar.h>
|
|
int main ()
|
|
{
|
|
int result = 0;
|
|
if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
|
|
{
|
|
if (wcrtomb (NULL, 0, NULL) != 1)
|
|
result |= 1;
|
|
}
|
|
if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
|
|
{
|
|
if (wcrtomb (NULL, 0, NULL) != 1)
|
|
result |= 2;
|
|
}
|
|
if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
|
|
{
|
|
if (wcrtomb (NULL, 0, NULL) != 1)
|
|
result |= 4;
|
|
}
|
|
if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
|
|
{
|
|
if (wcrtomb (NULL, 0, NULL) != 1)
|
|
result |= 8;
|
|
}
|
|
return result;
|
|
}]])],
|
|
[gl_cv_func_wcrtomb_retval=yes],
|
|
[gl_cv_func_wcrtomb_retval=no],
|
|
[:])
|
|
fi
|
|
])
|
|
case "$gl_cv_func_wcrtomb_retval" in
|
|
*yes) ;;
|
|
*) REPLACE_WCRTOMB=1 ;;
|
|
esac
|
|
fi
|
|
fi
|
|
])
|
|
|
|
# Prerequisites of lib/wcrtomb.c.
|
|
AC_DEFUN([gl_PREREQ_WCRTOMB], [
|
|
:
|
|
])
|