freecad-0.18.4 build fails

[xhale (Alex Heyes)]

stdout:

sudo port install freecad
--->  Computing dependencies for freecad
--->  Fetching archive for freecad
--->  Attempting to fetch freecad-0.18.4_0+gcc9.darwin_19.x86_64.tbz2 from https://packages.macports.org/freecad
--->  Attempting to fetch freecad-0.18.4_0+gcc9.darwin_19.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/freecad
--->  Attempting to fetch freecad-0.18.4_0+gcc9.darwin_19.x86_64.tbz2 from http://lil.fr.packages.macports.org/freecad
--->  Building freecad
Error: Failed to build freecad: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port freecad failed
adheyes@xhale-mbp ~ % vi /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/main.log
adheyes@xhale-mbp ~ % sudo port clean freecad
--->  Cleaning freecad
adheyes@xhale-mbp ~ % sudo port install freecad
--->  Computing dependencies for freecad
--->  Fetching archive for freecad
--->  Attempting to fetch freecad-0.18.4_0+gcc9.darwin_19.x86_64.tbz2 from https://packages.macports.org/freecad
--->  Attempting to fetch freecad-0.18.4_0+gcc9.darwin_19.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/freecad
--->  Attempting to fetch freecad-0.18.4_0+gcc9.darwin_19.x86_64.tbz2 from http://lil.fr.packages.macports.org/freecad
--->  Fetching distfiles for freecad
--->  Verifying checksums for freecad
--->  Extracting freecad
--->  Applying patches to freecad
--->  Configuring freecad
--->  Building freecad
Error: Failed to build freecad: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port freecad failed

main.log (snipped)

version:1
:debug:sysinfo macOS 10.15 (darwin/19.4.0) arch i386
:debug:sysinfo MacPorts 2.6.2
:debug:sysinfo Xcode 11.4.1
:debug:sysinfo SDK 10.15
:debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 10.15
:debug:main epoch: in tree: 0 installed: 0
:debug:main cmake 3.17.1_0 exists in the ports tree
:debug:main cmake 3.17.1_0  is the latest installed
:debug:main cmake 3.17.1_0  is active
:debug:main Merging existing variants '' into variants
:debug:main new fully merged portvariants:
:debug:main Changing to port directory: /opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/devel/cmake
:debug:main OS darwin/19.4.0 (macOS 10.15) arch i386
...
:info:build make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/work/build'
:info:build [ 59%] Built target FreeCADGui
:info:build make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/work/build'
:info:build make: *** [all] Error 2
:info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/work/build'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/work/build" && /usr/bin/make -j8 -w all VERBOSE=ON 
:info:build Exit code: 2
:error:build Failed to build freecad: command execution failed
:debug:build Error code: CHILDSTATUS 28225 2
:debug:build Backtrace: command execution failed
:debug:build     while executing
:debug:build "system {*}$notty {*}$nice $fullcmdstring"
:debug:build     invoked from within
:debug:build "command_exec build"
:debug:build     (procedure "portbuild::build_main" line 8)
:debug:build     invoked from within
:debug:build "$procedure $targetname"
:error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_cad_freecad/freecad/main.log for details.