diff --git a/include/boost/predef/compiler/watcom.h b/include/boost/predef/compiler/watcom.h
new file mode 100644
index 0000000000000000000000000000000000000000..b0e7776d0641050f6deab7b590dca33a8fe770a2
--- /dev/null
+++ b/include/boost/predef/compiler/watcom.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_WATCOM_H
+#define BOOST_PREDEF_COMPILER_WATCOM_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/*`
+[heading `BOOST_COMP_WATCOM`]
+
+[@http://en.wikipedia.org/wiki/Watcom Watcom C++] compiler.
+Version number available as major, and minor.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[`__WATCOMC__`] [__predef_detection__]]
+
+    [[`__WATCOMC__`] [V.R.P]]
+    ]
+ */
+
+#define BOOST_COMP_WATCOM BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__WATCOMC__)
+#   define BOOST_COMP_WATCOM_DETECTION BOOST_PREDEF_MAKE_10_VVRR(__WATCOMC__)
+#endif
+
+#ifdef BOOST_COMP_WATCOM_DETECTION
+#   if defined(BOOST_PREDEF_DETAIL_COMP_DETECTED)
+#       define BOOST_COMP_WATCOM_EMULATED BOOST_COMP_WATCOM_DETECTION
+#   else
+#       undef BOOST_COMP_WATCOM
+#       define BOOST_COMP_WATCOM BOOST_COMP_WATCOM_DETECTION
+#   endif
+#   define BOOST_COMP_WATCOM_AVAILABLE
+#   include <boost/predef/detail/comp_detected.h>
+#endif
+
+#define BOOST_COMP_WATCOM_NAME "Watcom C++"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_COMP_WATCOM,BOOST_COMP_WATCOM_NAME)
+
+#ifdef BOOST_COMP_WATCOM_EMULATED
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_COMP_WATCOM_EMULATED,BOOST_COMP_WATCOM_NAME)
+#endif