diff --git a/include/boost/predef/os/irix.h b/include/boost/predef/os/irix.h
new file mode 100644
index 0000000000000000000000000000000000000000..fa6ac41dcdd052cb0f3f4228d090e1576bfcb44e
--- /dev/null
+++ b/include/boost/predef/os/irix.h
@@ -0,0 +1,46 @@
+/*
+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_OS_IRIX_H
+#define BOOST_PREDEF_OS_IRIX_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/*`
+[heading `BOOST_OS_IRIX`]
+
+[@http://en.wikipedia.org/wiki/Irix IRIX] operating system.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[`sgi`] [__predef_detection__]]
+    [[`__sgi`] [__predef_detection__]]
+    ]
+ */
+
+#define BOOST_OS_IRIX BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if !defined(BOOST_PREDEF_DETAIL_OS_DETECTED) && ( \
+    defined(sgi) || defined(__sgi) \
+    )
+#   undef BOOST_OS_IRIX
+#   define BOOST_OS_IRIX BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
+#if BOOST_OS_IRIX
+#   define BOOST_OS_IRIX_AVAILABLE
+#   include <boost/predef/detail/os_detected.h>
+#endif
+
+#define BOOST_OS_IRIX_NAME "IRIX"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_OS_IRIX,BOOST_OS_IRIX_NAME)