$OpenBSD: patch-libs_filesystem_src_operations_cpp,v 1.2 2013/03/08 01:21:38 brad Exp $
--- libs/filesystem/src/operations.cpp.orig	Wed Oct 10 15:47:26 2012
+++ libs/filesystem/src/operations.cpp	Wed Oct 10 15:49:47 2012
@@ -73,14 +73,11 @@ using std::wstring;
     const fs::path dot_dot_path("..");
 #   include <sys/types.h>
 #   include <sys/stat.h>
-#   if !defined(__APPLE__) && !defined(__OpenBSD__)
+#   if !defined(__APPLE__)
 #     include <sys/statvfs.h>
 #     define BOOST_STATVFS statvfs
 #     define BOOST_STATVFS_F_FRSIZE vfs.f_frsize
 #   else
-#     ifdef __OpenBSD__
-#     include <sys/param.h>
-#     endif
 #     include <sys/mount.h>
 #     define BOOST_STATVFS statfs
 #     define BOOST_STATVFS_F_FRSIZE static_cast<boost::uintmax_t>(vfs.f_bsize)