--- Makefile.orig	2010-02-06 20:59:24.000000000 +0100
+++ Makefile	2010-02-06 21:00:17.000000000 +0100
@@ -62,10 +62,7 @@
 
 -include config-all-devices.mak
 
-build-all: $(DOCS) $(TOOLS) bsd/libmath.a recurse-all
-
-bsd/libmath.a:
-	( cd bsd ; unset MAKEFLAGS ; $(BSD_MAKE) CC=$(CC) )
+build-all: $(DOCS) $(TOOLS) recurse-all
 
 config-host.h: config-host.h-timestamp
 config-host.h-timestamp: config-host.mak