-# mbrlen.m4 serial 5
-dnl Copyright (C) 2008, 2010 Free Software Foundation, Inc.
+# mbrlen.m4 serial 8
+dnl Copyright (C) 2008, 2010-2011 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_CHECK_FUNCS_ONCE([mbrlen])
if test $ac_cv_func_mbrlen = no; then
HAVE_MBRLEN=0
+ AC_CHECK_DECLS([mbrlen],,, [[
+/* 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_mbrlen = yes; then
+ dnl On Minix 3.1.8, the system's <wchar.h> declares mbrlen() although
+ dnl it does not have the function. Avoid a collision with gnulib's
+ dnl replacement.
+ REPLACE_MBRLEN=1
+ fi
else
dnl Most bugs affecting the system's mbrtowc function also affect the
dnl mbrlen function. So override mbrlen whenever mbrtowc is overridden.
REPLACE_MBRLEN=1
fi
fi
- if test $HAVE_MBRLEN = 0 || test $REPLACE_MBRLEN = 1; then
- gl_REPLACE_WCHAR_H
- AC_LIBOBJ([mbrlen])
- gl_PREREQ_MBRLEN
- fi
])
dnl Test whether mbrlen puts the state into non-initial state when parsing an