Index: /trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/VBoxFsDxe/fsw_hfs.h
===================================================================
--- /trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/VBoxFsDxe/fsw_hfs.h	(revision 82380)
+++ /trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/VBoxFsDxe/fsw_hfs.h	(revision 82381)
@@ -40,5 +40,7 @@
 #include "iprt/asm.h"           /* endian conversion */
 
+#ifndef HOST_POSIX
 #include <Library/BaseLib.h>
+#endif
 
 //! Block size for HFS volumes.
@@ -152,5 +154,9 @@
 {
 #ifdef RT_LITTLE_ENDIAN
+#ifdef HOST_POSIX
+    return RT_BE2H_U64(x);
+#else
     return SwapBytes64(x);
+#endif
 #else
     return x;