From: Jim Meyering <jim@meyering.net>
Date: Fri, 23 Jun 2000 21:00:53 +0000 (+0000)
Subject: New file, defining AC_MBSTATE_T_OBJECT.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86ba26a5dfcfd9246e8bc6aa365ba73e5421cb67;p=pspp

New file, defining AC_MBSTATE_T_OBJECT.
---

diff --git a/m4/mbstate_t.m4 b/m4/mbstate_t.m4
new file mode 100644
index 0000000000..4cbbfd5b82
--- /dev/null
+++ b/m4/mbstate_t.m4
@@ -0,0 +1,18 @@
+# serial 1
+
+# From Paul Eggert.
+
+# Some versions of BeOS define mbstate_t to be an incomplete type,
+# so you can't declare an object of that type.
+# Check for this incompatibility with Standard C.
+
+AC_DEFUN(AC_MBSTATE_T_OBJECT,
+  [AC_CACHE_CHECK([for mbstate_t object type], ac_cv_type_mbstate_t_object,
+    [AC_TRY_COMPILE([#include <wchar.h>],
+      [mbstate_t x; return sizeof x;],
+      ac_cv_type_mbstate_t_object=yes,
+      ac_cv_type_mbstate_t_object=no)])
+   if test $ac_cv_type_mbstate_t_object = yes; then
+     AC_DEFINE(HAVE_MBSTATE_T_OBJECT, 1,
+	       [Define if mbstate_t is an object type.])
+   fi])