Hello Bruno,
On Mon, Jul 04, 2005 at 01:18:25PM +0200, Bruno Haible wrote:
> On mingw32, mbrtowc.m4 "detects" that mbrtowc() exists, leading to
> link errors. Actually, mbrtowc() does not exist on this system,
> it's only declared in <wchar.h> but not actually implemented under
> this name.
why cannot we use the Autoconf macro AC_FUNC_MBRTOWC?
(I mean with current Autoconf. If there is a need to support some
older versions of Autoconf, we could perhaps copy the definition of
the macro to gnulib's mbrtowc.m4.)
A copy of the macro is attached below; does it work for you?
Have a nice day,
Stepan
# AC_FUNC_MBRTOWC
# ---------------
AN_FUNCTION([mbrtowc], [AC_FUNC_MBRTOWC])
AC_DEFUN([AC_FUNC_MBRTOWC],
[
AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
ac_cv_func_mbrtowc,
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[EMAIL PROTECTED]:@include <wchar.h>]],
[[wchar_t wc;
char const s[] = "";
size_t n = 1;
mbstate_t state;
return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])],
ac_cv_func_mbrtowc=yes,
ac_cv_func_mbrtowc=no)])
if test $ac_cv_func_mbrtowc = yes; then
AC_DEFINE([HAVE_MBRTOWC], 1,
[Define to 1 if mbrtowc and mbstate_t are properly declared.])
fi
])
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