diff --git a/include/boost/predef/compiler/dignus.h b/include/boost/predef/compiler/dignus.h
new file mode 100644
index 0000000000000000000000000000000000000000..c65d3dc7648936d9cd985c128e0c6a4186b88f96
--- /dev/null
+++ b/include/boost/predef/compiler/dignus.h
@@ -0,0 +1,56 @@
+/*
+Copyright Rene Rivera 2008-2015
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE_1_0.txt or copy at
+http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+#ifndef BOOST_PREDEF_COMPILER_DIGNUS_H
+#define BOOST_PREDEF_COMPILER_DIGNUS_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/*`
+[heading `BOOST_COMP_SYSC`]
+
+[@http://www.dignus.com/dcxx/ Dignus Systems/C++] compiler.
+Version number available as major, minor, and patch.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[`__SYSC__`] [__predef_detection__]]
+
+    [[`__SYSC_VER__`] [V.R.P]]
+    ]
+ */
+
+#define BOOST_COMP_SYSC BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__SYSC__)
+#   define BOOST_COMP_SYSC_DETECTION BOOST_PREDEF_MAKE_10_VRRPP(__SYSC_VER__)
+#endif
+
+#ifdef BOOST_COMP_SYSC_DETECTION
+#   if defined(BOOST_PREDEF_DETAIL_COMP_DETECTED)
+#       define BOOST_COMP_SYSC_EMULATED BOOST_COMP_SYSC_DETECTION
+#   else
+#       undef BOOST_COMP_SYSC
+#       define BOOST_COMP_SYSC BOOST_COMP_SYSC_DETECTION
+#   endif
+#   define BOOST_COMP_SYSC_AVAILABLE
+#   include <boost/predef/detail/comp_detected.h>
+#endif
+
+#define BOOST_COMP_SYSC_NAME "Dignus Systems/C++"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_COMP_SYSC,BOOST_COMP_SYSC_NAME)
+
+#ifdef BOOST_COMP_SYSC_EMULATED
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_COMP_SYSC_EMULATED,BOOST_COMP_SYSC_NAME)
+#endif