Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/mbswidth.m4 |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/m4/mbswidth.m4 (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/mbswidth.m4 (revision 0) |
@@ -0,0 +1,42 @@ |
+# mbswidth.m4 serial 14 |
+dnl Copyright (C) 2000-2002, 2004, 2006, 2007 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 autoconf tests required for use of mbswidth.c |
+dnl From Bruno Haible. |
+ |
+AC_DEFUN([gl_MBSWIDTH], |
+[ |
+ AC_CHECK_HEADERS_ONCE([wchar.h]) |
+ AC_CHECK_FUNCS_ONCE([isascii mbsinit]) |
+ gl_FUNC_MBRTOWC |
+ |
+ dnl UnixWare 7.1.1 <wchar.h> has a declaration of a function mbswidth() |
+ dnl that clashes with ours. |
+ AC_CACHE_CHECK([whether mbswidth is declared in <wchar.h>], |
+ ac_cv_have_decl_mbswidth, |
+ [AC_TRY_COMPILE([ |
+/* 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> |
+], [ |
+ char *p = (char *) mbswidth; |
+ return !p; |
+], ac_cv_have_decl_mbswidth=yes, ac_cv_have_decl_mbswidth=no)]) |
+ if test $ac_cv_have_decl_mbswidth = yes; then |
+ ac_val=1 |
+ else |
+ ac_val=0 |
+ fi |
+ AC_DEFINE_UNQUOTED(HAVE_DECL_MBSWIDTH_IN_WCHAR_H, $ac_val, |
+ [Define to 1 if you have a declaration of mbswidth() in <wchar.h>, and to 0 otherwise.]) |
+ |
+ AC_TYPE_MBSTATE_T |
+]) |