From: Akim Demaille <akim@epita.fr>
Date: Thu, 27 Sep 2001 15:07:44 +0000 (+0000)
Subject: Add.
X-Git-Tag: BISON-1_29c~11
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/e92a5d5baed128b62439eb7ca0269f898c58e305

Add.
---

diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4
new file mode 100644
index 00000000..87743919
--- /dev/null
+++ b/m4/mbrtowc.m4
@@ -0,0 +1,18 @@
+#serial 4
+
+dnl From Paul Eggert
+
+AC_DEFUN([jm_FUNC_MBRTOWC],
+[
+  AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
+    jm_cv_func_mbrtowc,
+    [AC_TRY_LINK(
+       [#include <wchar.h>],
+       [mbstate_t state; return ! (sizeof state && mbrtowc);],
+       jm_cv_func_mbrtowc=yes,
+       jm_cv_func_mbrtowc=no)])
+  if test $jm_cv_func_mbrtowc = yes; then
+    AC_DEFINE(HAVE_MBRTOWC, 1,
+      [Define to 1 if mbrtowc and mbstate_t are properly declared.])
+  fi
+])