Index: lib/autoconf/c.m4
===================================================================
RCS file: /sources/autoconf/autoconf/lib/autoconf/c.m4,v
retrieving revision 1.213
diff -u -p -r1.213 c.m4
--- lib/autoconf/c.m4	20 Mar 2006 20:28:56 -0000	1.213
+++ lib/autoconf/c.m4	1 Apr 2006 02:26:34 -0000
@@ -851,7 +851,10 @@ m4_define([_AC_PROG_CXX_EXIT_DECLARATION
    'extern "C" void std::exit (int); using std::exit;' \
    'extern "C" void exit (int) throw ();' \
    'extern "C" void exit (int);' \
-   'extern "C" __declspec(dllimport) void exit (int);' \
+   'extern "C" __declspec(noreturn) void __cdecl exit (int);' \
+   'extern "C" __declspec(dllimport) __declspec(noreturn) void __cdecl exit (int);' \
+   'extern "C" void __cdecl exit (int);' \
+   'extern "C" __declspec(dllimport) void __cdecl exit (int);' \
    'void exit (int);'
 do
   _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$ac_declaration