Index: libs/filesystem/src/path.cpp
===================================================================
--- libs/filesystem/src/path.cpp	(revision 83581)
+++ libs/filesystem/src/path.cpp	(working copy)
@@ -39,7 +39,8 @@
 #ifdef BOOST_WINDOWS_API
 # include "windows_file_codecvt.hpp"
 # include <windows.h>
-#elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) || defined(__FreeBSD__)
+#elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) || defined(__FreeBSD__) || \
+   defined(__OpenBSD__)
 # include <boost/filesystem/detail/utf8_codecvt_facet.hpp>
 #endif
 
@@ -817,7 +818,8 @@
 # if defined(BOOST_WINDOWS_API)
     std::locale global_loc = std::locale();
     return std::locale(global_loc, new windows_file_codecvt);
-# elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) || defined(__FreeBSD__)
+# elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) || defined(__FreeBSD__) || \
+    defined(__OpenBSD__)
     // "All BSD system functions expect their string parameters to be in UTF-8 encoding
     // and nothing else." See
     // http://developer.apple.com/mac/library/documentation/MacOSX/Conceptual/BPInternational/Articles/FileEncodings.html