--- nut-2.6.3.orig/drivers/Makefile.am	2011-12-05 16:36:46.000000000 
0100
+++ nut-2.6.3/drivers/Makefile.am	2012-04-19 10:51:52.152059206 +0200
@@ -165,7 +165,7 @@
 tripplite_usb_LDADD = $(LDADD_DRIVERS) $(LIBUSB_LIBS) -lm

 bcmxcp_usb_SOURCES = bcmxcp_usb.c bcmxcp.c usb-common.c
-bcmxcp_usb_LDADD = $(LDADD_DRIVERS) $(LIBUSB_LIBS)
+bcmxcp_usb_LDADD = $(LDADD_DRIVERS) $(LIBUSB_LIBS) -lm

 blazer_usb_SOURCES = blazer.c blazer_usb.c libusb.c usb-common.c