http://www.freebsd.org/cgi/query-pr.cgi?pr=170522&cat=ports

--- sysutils/apcupsd/Makefile.orig	2011-11-19 15:34:51.000000000 -0500
+++ sysutils/apcupsd/Makefile	2012-11-15 04:36:18.427538317 -0500
@@ -35,6 +35,7 @@
 CPPFLAGS+=	-I${LOCALBASE}/include -L${LOCALBASE}/lib
 LDFLAGS+=	-L${LOCALBASE}/lib
 CFLAGS+=	-I${LOCALBASE}/include -L${LOCALBASE}/lib
+CONFIGURE_ENV+= LIBS="-lstdc++"
 
 MAN5=		apcupsd.conf.5
 MAN8=		apcaccess.8 apccontrol.8 apctest.8 apcupsd.8