--- src/Makevars.orig	2013-12-07 17:47:48.000000000 +0900
+++ src/Makevars	2013-12-09 16:36:18.000000000 +0900
@@ -10,6 +10,9 @@
 ifeq ($(UNAME), SunOS)
 PKG_LIBS += -lkstat -lsendfile
 endif
+ifeq ($(UNAME), FreeBSD)
+PKG_LIBS += -lkvm
+endif
 
 PKG_CPPFLAGS = -I./libuv/include -I./http-parser -I./sha1 -I./base64