[MacPorts] #55801: ncurses @6.1 universal : Failed to build ncurses: command execution failed

[MacPorts]

#55801: ncurses @6.1 universal : Failed to build ncurses: command execution failed
---------------------+---------------------
 Reporter:  letaage  |      Owner:
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.4.2
 Keywords:  ncurses  |       Port:  ncurses
---------------------+---------------------
 Trying to do a routine upgrade of ncurses,and it fails to build with error
 message "command execution failed"

 Cleaned port and tried again, and still failed:
 {{{
 slim:~ tom$ sudo port clean --all ncurses
 Password:
 --->  Cleaning ncurses
 slim:~ tom$ sudo port upgrade ncurses
 --->  Fetching distfiles for ncurses
 --->  Attempting to fetch ncurses-6.1.tar.gz from
 http://mirror.internode.on.net/pub/gnu/ncurses
 --->  Verifying checksums for ncurses
 --->  Extracting ncurses
 --->  Applying patches to ncurses
 --->  Configuring ncurses
 --->  Building ncurses
 Error: Failed to build ncurses: command execution failed
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_ncurses/ncurses/main.log
 for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 slim:~ tom$
 }}}

 This error is preventing lots of other ports from being upgraded.

 Log file attached

--
Ticket URL: <https://trac.macports.org/ticket/55801>
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