--- a/scripts/build
+++ b/scripts/build
@@ -18,7 +18,7 @@ done

 trap 'rm -f ${BASE}$$.s ${BASE}$$.c ${BASE}$$.o ${BASE}$$; exit 1' 1 2 15

-LDLIBS=-lm
+LDLIBS=${LDLIBS-"-lm -lrpc"}

 # check for HP-UX's ANSI compiler
 echo "main(int ac, char *av[]) { int i; }" > ${BASE}$$.c
--- a/src/Makefile
+++ b/src/Makefile
@@ -38,6 +38,7 @@ CC=`../scripts/compiler`
 MAKE=`../scripts/make`
 AR=ar
 ARCREATE=cr
+LDLIBS=

 # base of installation location
 BASE=/usr/local
@@ -111,7 +112,7 @@ LIBOBJS= $O/lib_tcp.o $O/lib_udp.o $O/li
	$O/lib_sched.o

 lmbench: $(UTILS)
-	@env CFLAGS=-O MAKE="$(MAKE)" MAKEFLAGS="$(MAKEFLAGS)" CC="$(CC)" OS="$(OS)" ../scripts/build all
+	@env CFLAGS=-O MAKE="$(MAKE)" MAKEFLAGS="$(MAKEFLAGS)" CC="$(CC)" OS="$(OS)" LDLIBS="$(LDLIBS)" ../scripts/build all
	-@env CFLAGS=-O MAKE="$(MAKE)" MAKEFLAGS="k$(MAKEFLAGS)" CC="$(CC)" OS="$(OS)" ../scripts/build opt

 results: lmbench