HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| eb4a14ed | 1 | # mbstate_t.m4 serial 13 |
| af07e104 | 2 | dnl Copyright (C) 2000-2002, 2008-2013 Free Software Foundation, Inc. |
| eb4a14ed LC |
3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, | |
| 5 | dnl with or without modifications, as long as this notice is preserved. | |
| 6 | ||
| 7 | # From Paul Eggert. | |
| 8 | ||
| 9 | # BeOS 5 has <wchar.h> but does not define mbstate_t, | |
| 10 | # so you can't declare an object of that type. | |
| 11 | # Check for this incompatibility with Standard C. | |
| 12 | ||
| 13 | # AC_TYPE_MBSTATE_T | |
| 14 | # ----------------- | |
| 15 | AC_DEFUN([AC_TYPE_MBSTATE_T], | |
| 16 | [ | |
| 17 | AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl for HP-UX 11.11 | |
| 18 | ||
| 19 | AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t], | |
| 20 | [AC_COMPILE_IFELSE( | |
| 21 | [AC_LANG_PROGRAM( | |
| 22 | [AC_INCLUDES_DEFAULT[ | |
| 23 | /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before | |
| 24 | <wchar.h>. | |
| 25 | BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be | |
| 26 | included before <wchar.h>. */ | |
| 27 | #include <stddef.h> | |
| 28 | #include <stdio.h> | |
| 29 | #include <time.h> | |
| 30 | #include <wchar.h>]], | |
| 31 | [[mbstate_t x; return sizeof x;]])], | |
| 32 | [ac_cv_type_mbstate_t=yes], | |
| 33 | [ac_cv_type_mbstate_t=no])]) | |
| 34 | if test $ac_cv_type_mbstate_t = yes; then | |
| 35 | AC_DEFINE([HAVE_MBSTATE_T], [1], | |
| 36 | [Define to 1 if <wchar.h> declares mbstate_t.]) | |
| 37 | else | |
| 38 | AC_DEFINE([mbstate_t], [int], | |
| 39 | [Define to a type if <wchar.h> does not define.]) | |
| 40 | fi | |
| 41 | ]) |