diff -up yp-tools-2.12/src/Makefile.am.noypclnt yp-tools-2.12/src/Makefile.am
--- yp-tools-2.12/src/Makefile.am.noypclnt	2010-11-23 13:32:54.328891585 +0100
+++ yp-tools-2.12/src/Makefile.am	2010-11-23 13:33:02.167767691 +0100
@@ -21,7 +21,6 @@ yppasswd_SOURCES = yppasswd.c yppasswd_x
 yppasswd_LDADD = ${LDADD} @LIBCRYPT@ @LIBCRACK@
 yppasswd_CFLAGS = -DPASSWD_PROG=\"${PASSWD_PROG}\" \
 	-DCHFN_PROG=\"${CHFN_PROG}\" -DCHSH_PROG=\"${CHSH_PROG}\"
-ypmatch_SOURCES = ypmatch.c ypclnt.c
 
 install-exec-hook:
 	ln -f ${DESTDIR}${bindir}/yppasswd ${DESTDIR}${bindir}/ypchsh