unpaper @6.1: failed to load external entity "http://docbook.sourceforge.net/release/xsl-ns/current/manpages/docbook.xsl"

[taddymack]

Unable to build unpaper port on ventura os, intel i5:

:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_unpaper/unpaper/work/unpaper-6.1" && /usr/bin/make -j4 -w all 
:info:build Exit code: 2
:error:build Failed to build unpaper: command execution failed
:debug:build Error code: CHILDSTATUS 81320 2
:debug:build Backtrace: command execution failed
:debug:build     while executing
:debug:build "system {*}$notty {*}$callback {*}$nice $fullcmdstring"
:debug:build     invoked from within
:debug:build "command_exec -callback portprogress::target_progress_callback build"
:debug:build     (procedure "portbuild::build_main" line 8)
:debug:build     invoked from within
:debug:build "$procedure $targetname"
:error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_unpaper/unpaper/main.log for details.

[jmroot (Joshua Root)]

Please attach the main.log.

[ryandesign (Ryan Carsten Schmidt)]

The log says:

:info:build error : Unknown IO error
:info:build warning: failed to load external entity "http://docbook.sourceforge.net/release/xsl-ns/current/manpages/docbook.xsl"
:info:build cannot parse http://docbook.sourceforge.net/release/xsl-ns/current/manpages/docbook.xsl

Looks like the unpaper port is missing a dependency on the docbook-xsl-ns port.

[ryandesign (Ryan Carsten Schmidt)]

In 9785e418a451877f59325b71f4b1c8472da803b5/macports-ports (master):

unpaper: Add docbook-xsl-ns build dependency

Closes: #66654