Exclude the "tools" from building and installing.

--- bin/Makefile.in.orig	2019-06-28 12:33:29 UTC
+++ bin/Makefile.in
@@ -11,8 +11,8 @@ srcdir =	@srcdir@
 VPATH =		@srcdir@
 top_srcdir =	@top_srcdir@
 
-SUBDIRS =	named rndc dig delv dnssec tools nsupdate check confgen \
-		@NZD_TOOLS@ @PYTHON_TOOLS@ @PKCS11_TOOLS@ plugins tests
+SUBDIRS =	named rndc tools check confgen \
+		@NZD_TOOLS@ @PKCS11_TOOLS@ plugins tests
 TARGETS =
 
 @BIND9_MAKE_RULES@
--- bin/tools/Makefile.in.orig	2019-06-28 12:33:29 UTC
+++ bin/tools/Makefile.in
@@ -41,10 +41,7 @@ SUBDIRS =
 
 DNSTAPTARGETS =	dnstap-read@EXEEXT@
 NZDTARGETS =	named-nzd2nzf@EXEEXT@
-TARGETS =	arpaname@EXEEXT@ named-journalprint@EXEEXT@ \
-		named-rrchecker@EXEEXT@ nsec3hash@EXEEXT@ \
-		mdig@EXEEXT@ \
-		@DNSTAPTARGETS@ @NZDTARGETS@
+TARGETS =	@DNSTAPTARGETS@ @NZDTARGETS@
 
 DNSTAPSRCS  =	dnstap-read.c
 NZDSRCS  =	named-nzd2nzf.c
@@ -120,21 +117,6 @@ dnstap:
 	${INSTALL_DATA} ${srcdir}/dnstap-read.1 ${DESTDIR}${mandir}/man1
 
 install:: ${TARGETS} installdirs @DNSTAP@ @NZD_TOOLS@
-	${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} arpaname@EXEEXT@ \
-		${DESTDIR}${bindir}
-	${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} named-journalprint@EXEEXT@ \
-		${DESTDIR}${sbindir}
-	${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} named-rrchecker@EXEEXT@ \
-		${DESTDIR}${bindir}
-	${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} nsec3hash@EXEEXT@ \
-		${DESTDIR}${sbindir}
-	${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} mdig@EXEEXT@ \
-		${DESTDIR}${bindir}
-	${INSTALL_DATA} ${srcdir}/arpaname.1 ${DESTDIR}${mandir}/man1
-	${INSTALL_DATA} ${srcdir}/named-journalprint.8 ${DESTDIR}${mandir}/man8
-	${INSTALL_DATA} ${srcdir}/named-rrchecker.1 ${DESTDIR}${mandir}/man1
-	${INSTALL_DATA} ${srcdir}/nsec3hash.8 ${DESTDIR}${mandir}/man8
-	${INSTALL_DATA} ${srcdir}/mdig.1 ${DESTDIR}${mandir}/man1
 
 uninstall::
 	rm -f ${DESTDIR}${mandir}/man1/mdig.1