--- src/VBox/Devices/PC/ipxe/Makefile.kmk.orig	2013-11-29 14:23:32.000000000 -0500
+++ src/VBox/Devices/PC/ipxe/Makefile.kmk	2013-12-13 15:06:45.000000000 -0500
@@ -35,7 +35,7 @@
 iPxeBiosBin_CLEAN    = \
 	$(iPxeBiosBin_0_OUTDIR)/iPxeBiosBin.c \
 
-if1of ($(KBUILD_TARGET), darwin os2 solaris win)
+if1of ($(KBUILD_TARGET), darwin freebsd os2 solaris win)
  $$(iPxeBiosBin_0_OUTDIR)/iPxeBiosBin.c: $(PATH_SUB_CURRENT)/iPxeBiosBin.rom $(VBOX_BIN2C) | $$(dir $$@)
 	$(call MSG_TOOL,bin2c,iPxeBiosBin,$<,$@)
 	$(QUIET)$(VBOX_BIN2C) -min 32 -max 56 -mask 0x1ff -export NetBiosBinary $< $@