libtool @2.4.6: The 'xattr==0.6.4' distribution was not found and is required by the application

[zhangcs (Chensong Zhang)]

sudo port upgrade libtool
--->  Fetching archive for libtool
--->  Attempting to fetch libtool-2.4.6_4+universal.darwin_17.i386-x86_64.tbz2 from https://pek.cn.packages.macports.org/macports/packages/libtool
--->  Attempting to fetch libtool-2.4.6_4+universal.darwin_17.i386-x86_64.tbz2 from http://kmq.jp.packages.macports.org/libtool
--->  Attempting to fetch libtool-2.4.6_4+universal.darwin_17.i386-x86_64.tbz2 from https://packages.macports.org/libtool
--->  Fetching distfiles for libtool
--->  Attempting to fetch libtool-2.4.6.tar.gz from http://cjj.kr.distfiles.macports.org/libtool
--->  Verifying checksums for libtool
--->  Extracting libtool
--->  Applying patches to libtool
--->  Configuring libtool
--->  Building libtool
--->  Staging libtool into destroot
Error: Failed to destroot libtool: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_libtool/libtool/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.

[zhangcs (Chensong Zhang)]

main.log

[kencu (Ken)]

would you mind pasting the output of which xattr and xattr -h ? Thanks.