$OpenBSD: patch-libs_filesystem_src_operations_cpp,v 1.3 2015/07/01 08:41:59 jasper Exp $
--- libs/filesystem/src/operations.cpp.orig	Fri Jun 26 11:36:34 2015
+++ libs/filesystem/src/operations.cpp	Fri Jun 26 11:37:45 2015
@@ -71,15 +71,13 @@ using std::wstring;
 
 #   include <sys/types.h>
 #   include <sys/stat.h>
-#   if !defined(__APPLE__) && !defined(__OpenBSD__) && !defined(__ANDROID__) \
+#   if !defined(__APPLE__) && !defined(__ANDROID__) \
  && !defined(__VXWORKS__)
 #     include <sys/statvfs.h>
 #     define BOOST_STATVFS statvfs
 #     define BOOST_STATVFS_F_FRSIZE vfs.f_frsize
 #   else
-#     ifdef __OpenBSD__
-#       include <sys/param.h>
-#     elif defined(__ANDROID__)
+#     if defined(__ANDROID__)
 #       include <sys/vfs.h>
 #     endif
 #     if !defined(__VXWORKS__)