Your libtool installation is out of date. Please remove……

nehc

-su-2.05b# cd /usr/ports/emulators/linux_base/;make install
===>  Extracting for linux_base-6.1
>> Checksum OK for rpm/setup-2.0.5-1.noarch.rpm.
>> Checksum OK for rpm/filesystem-1.3.5-1.noarch.rpm.
>> Checksum OK for rpm/basesystem-6.0-4.noarch.rpm.
>> Checksum OK for rpm/ldconfig-1.9.5-15.i386.rpm.
>> Checksum OK for rpm/glibc-2.1.2-11.i386.rpm.
>> Checksum OK for rpm/termcap-9.12.6-15.i386.rpm.
>> Checksum OK for rpm/libtermcap-2.0.8-18.i386.rpm.
>> Checksum OK for rpm/bash-1.14.7-16.i386.rpm.
>> Checksum OK for rpm/ncurses-4.2-25.i386.rpm.
>> Checksum OK for rpm/zlib-1.1.3-5.i386.rpm.
>> Checksum OK for rpm/info-3.12h-2.i386.rpm.
>> Checksum OK for rpm/fileutils-4.0-8.i386.rpm.
>> Checksum OK for rpm/grep-2.3-2.i386.rpm.
>> Checksum OK for rpm/binutils-2.9.1.0.23-6.i386.rpm.
>> Checksum OK for rpm/gd-1.3-5.i386.rpm.
>> Checksum OK for rpm/gdbm-1.8.0-2.i386.rpm.
>> Checksum OK for rpm/ld.so-1.9.5-11.i386.rpm.
>> Checksum OK for rpm/libc-5.3.12-31.i386.rpm.
>> Checksum OK for rpm/libstdc++-2.9.0-24.i386.rpm.
>> Checksum OK for rpm/sh-utils-2.0-1.i386.rpm.
>> Checksum OK for rpm/readline-2.2.1-5.i386.rpm.
>> Checksum OK for rpm/redhat-release-6.1-1.noarch.rpm.
>> Checksum OK for rpm/rpm-3.0.3-2.i386.rpm.
>> Checksum OK for rpm/setserial-2.15-2.i386.rpm.
>> Checksum OK for rpm/slang-1.2.2-4.i386.rpm.
>> Checksum OK for rpm/stat-1.5-11.i386.rpm.
>> Checksum OK for rpm/tcsh-6.08.00-6.i386.rpm.
>> Checksum OK for rpm/XFree86-libs-3.3.5-3.i386.rpm.
>> Checksum OK for rpm/xpm-3.4k-1.i386.rpm.
>> Checksum OK for rpm/glib-1.2.6-2.i386.rpm.
===>   linux_base-6.1 depends on executable: rpm - not found
===>    Verifying install for rpm in /usr/ports/archivers/rpm
===>  Extracting for rpm-3.0.6_5
>> Checksum OK for rpm-3.0.6.tar.gz.
===>   rpm-3.0.6_5 depends on executable: gmake - not found
===>    Verifying install for gmake in /usr/ports/devel/gmake
===>  Extracting for gmake-3.79.1
>> Checksum OK for make-3.79.1.tar.gz.
===>   gmake-3.79.1 depends on shared library: intl.1 - not found
===>    Verifying install for intl.1 in /usr/ports/devel/gettext
===>  Configuring for gettext-0.10.35
Your libtool installation is out of date. Please remove
and reinstall /usr/ports/devel/libtool.
*** Error code 1

Stop in /usr/ports/devel/gettext.
*** Error code 1

Stop in /usr/ports/devel/gettext.
*** Error code 1

Stop in /usr/ports/devel/gettext.
*** Error code 1

Stop in /usr/ports/devel/gettext.
*** Error code 1

Stop in /usr/ports/devel/gettext.
*** Error code 1

Stop in /usr/ports/devel/gmake.
*** Error code 1

Stop in /usr/ports/devel/gmake.
*** Error code 1

Stop in /usr/ports/devel/gmake.
*** Error code 1

Stop in /usr/ports/devel/gmake.
*** Error code 1

Stop in /usr/ports/devel/gmake.
*** Error code 1

Stop in /usr/ports/devel/gmake.
*** Error code 1

Stop in /usr/ports/devel/gmake.
*** Error code 1

Stop in /usr/ports/archivers/rpm.
*** Error code 1

Stop in /usr/ports/archivers/rpm.
*** Error code 1

Stop in /usr/ports/archivers/rpm.
*** Error code 1

Stop in /usr/ports/archivers/rpm.
*** Error code 1

Stop in /usr/ports/archivers/rpm.
*** Error code 1

Stop in /usr/ports/archivers/rpm.
*** Error code 1

Stop in /usr/ports/archivers/rpm.
*** Error code 1

Stop in /usr/ports/emulators/linux_base.
*** Error code 1

Stop in /usr/ports/emulators/linux_base.
*** Error code 1

Stop in /usr/ports/emulators/linux_base.
*** Error code 1

Stop in /usr/ports/emulators/linux_base.
*** Error code 1

Stop in /usr/ports/emulators/linux_base.
*** Error code 1

Stop in /usr/ports/emulators/linux_base.
-su-2.05b#

小弟除装linux_base，遇到这样的错误提示。我应该怎么修正啊？