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Diffstat (limited to 'gl/m4/mbstate_t.m4')
-rw-r--r-- | gl/m4/mbstate_t.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gl/m4/mbstate_t.m4 b/gl/m4/mbstate_t.m4 new file mode 100644 index 00000000..df2a275c --- /dev/null +++ b/gl/m4/mbstate_t.m4 | |||
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1 | # mbstate_t.m4 serial 9 | ||
2 | dnl Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. | ||
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 | [AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t, | ||
17 | [AC_COMPILE_IFELSE( | ||
18 | [AC_LANG_PROGRAM( | ||
19 | [AC_INCLUDES_DEFAULT | ||
20 | # include <wchar.h>], | ||
21 | [mbstate_t x; return sizeof x;])], | ||
22 | [ac_cv_type_mbstate_t=yes], | ||
23 | [ac_cv_type_mbstate_t=no])]) | ||
24 | if test $ac_cv_type_mbstate_t = yes; then | ||
25 | AC_DEFINE([HAVE_MBSTATE_T], 1, | ||
26 | [Define to 1 if <wchar.h> declares mbstate_t.]) | ||
27 | else | ||
28 | AC_DEFINE([mbstate_t], int, | ||
29 | [Define to a type if <wchar.h> does not define.]) | ||
30 | fi]) | ||