Applied patch from Larry Doolittle to fix pristine build breakage.
diff --git a/Makefile b/Makefile
index d6a1cd9..11cec64 100644
--- a/Makefile
+++ b/Makefile
@@ -358,6 +358,7 @@
 	$(CC) $(CFLAGS) $(LIBBB_CFLAGS) -c $< -o $*.o
 
 $(LIBBB_MOBJ): $(LIBBB_MSRC)
+	- mkdir -p $(LIBBB)
 	$(CC) $(CFLAGS) $(LIBBB_CFLAGS) -DL_$(patsubst libbb/%,%,$*) -c $< -o $*.o
 
 libpwd.a: $(PWD_OBJS)