summaryrefslogtreecommitdiff
path: root/build-aux/mbrtowc.m4
diff options
context:
space:
mode:
Diffstat (limited to 'build-aux/mbrtowc.m4')
-rw-r--r--build-aux/mbrtowc.m431
1 files changed, 31 insertions, 0 deletions
diff --git a/build-aux/mbrtowc.m4 b/build-aux/mbrtowc.m4
new file mode 100644
index 0000000..a3bd911
--- /dev/null
+++ b/build-aux/mbrtowc.m4
@@ -0,0 +1,31 @@
+# mbrtowc.m4 serial 8
+dnl Copyright (C) 2001-2002, 2004-2005 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 From Paul Eggert
+
+dnl This file can be removed, and gl_FUNC_MBRTOWC replaced with
+dnl AC_FUNC_MBRTOWC, when autoconf 2.60 can be assumed everywhere.
+
+AC_DEFUN([gl_FUNC_MBRTOWC],
+[
+ dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60.
+ AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
+ gl_cv_func_mbrtowc,
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <wchar.h>]],
+ [[wchar_t wc;
+ char const s[] = "";
+ size_t n = 1;
+ mbstate_t state;
+ return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])],
+ gl_cv_func_mbrtowc=yes,
+ gl_cv_func_mbrtowc=no)])
+ if test $gl_cv_func_mbrtowc = yes; then
+ AC_DEFINE([HAVE_MBRTOWC], 1,
+ [Define to 1 if mbrtowc and mbstate_t are properly declared.])
+ fi
+])