--- boost/config/platform/bsd.hpp.orig	2016-09-29 01:55:08.004563000 +0200
+++ boost/config/platform/bsd.hpp	2016-09-29 01:58:41.942136000 +0200
@@ -9,11 +9,13 @@
 
 //  generic BSD config options:
 
-#if !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__)
+#if !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__) && !defined(__BSDSUniX__)
 #error "This platform is not BSD"
 #endif
 
-#ifdef __FreeBSD__
+#ifdef __BSDSUniX__
+#define BOOST_PLATFORM "BSDSUniX " BOOST_STRINGIZE(__BSDSUniX__)
+#elif defined(__FreeBSD__)
 #define BOOST_PLATFORM "FreeBSD " BOOST_STRINGIZE(__FreeBSD__)
 #elif defined(__NetBSD__)
 #define BOOST_PLATFORM "NetBSD " BOOST_STRINGIZE(__NetBSD__)
@@ -28,7 +30,7 @@
 // FreeBSD has <nl_types.h> but does not
 // advertise the fact in <unistd.h>:
 //
-#if (defined(__FreeBSD__) && (__FreeBSD__ >= 3)) || defined(__DragonFly__)
+#if (defined(__FreeBSD__) && (__FreeBSD__ >= 3)) || defined(__DragonFly__) || defined(__BSDSUniX__)
 #  define BOOST_HAS_NL_TYPES_H
 #endif
 
@@ -55,7 +57,7 @@
 #define _GLIBCXX_HAVE_SWPRINTF 1
 #endif
 
-#if !((defined(__FreeBSD__) && (__FreeBSD__ >= 5)) \
+#if !defined(__BSDSUniX__) && !((defined(__FreeBSD__) && (__FreeBSD__ >= 5)) \
       || (defined(__NetBSD_GCC__) && (__NetBSD_GCC__ >= 2095003)) || defined(__DragonFly__))
 #  define BOOST_NO_CWCHAR
 #endif