sword build error - libtool version mismatch

[Ink_Blot2001@…]

sword-1.5.7a will not compile. I have libtool 2.2.6 installed, but sword's definition of LT_INIT comes from an older version. The following is the full output, in case there is more to it:

Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_sword/work/sword-1.5.7" && make all " returned error 2 Command output: make all-recursive Making all in lib source='../src/keys/swkey.cpp' object='swkey.lo' libtool=yes \ depfile='.deps/swkey.Plo' tmpdepfile='.deps/swkey.TPlo' \ depmode=gcc3 /bin/sh ../depcomp \ /bin/sh ../libtool --mode=compile /usr/bin/g++-4.0 -DHAVE_CONFIG_H -I. -I. -I.. -I../include -DUSE_AUTOTOOLS -DUNIX -DGLOBCONFPATH=\"/opt/local/etc/sword.conf\" -I/opt/local/include -O2 -ftemplate-depth-25 -DCURLAVAILABLE -c -o swkey.lo test -f '../src/keys/swkey.cpp' || echo './'../src/keys/swkey.cpp ../libtool: line 454: CDPATH: command not found ../libtool: line 1132: func_opt_split: command not found libtool: Version mismatch error. This is libtool 2.2.6, but the libtool: definition of this LT_INIT comes from an older release. libtool: You should recreate aclocal.m4 with macros from libtool 2.2.6 libtool: and run autoconf again. make[2]: * [swkey.lo] Error 63 make[1]: * [all-recursive] Error 1 make: * [all] Error 2

Error: Status 1 encountered during processing.