[MacPorts] #58724: sudo port install opencv +contrib +nonfree +python36 Failed to build opencv: command execution failed

[MacPorts]

#58724: sudo port install opencv +contrib +nonfree +python36 Failed to build
opencv: command execution failed
---------------------+--------------------
 Reporter:  ymunwes  |      Owner:  (none)
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:
 Keywords:           |       Port:
---------------------+--------------------
 i'm trying to install the opencv with python3.6 and the nonfree option but
 it fails
 this the outpu i get :
 :info:build cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_opencv/opencv/work/build/modu\
 les/xphoto && /opt/local/bin/cmake -E cmake_symlink_library
 ../../lib/libopencv_xphoto.3.4.3.dylib
 ../../lib/libopencv_xphoto.3.4.dylib ../../lib/libopencv_x\
 photo.dylib
 :info:build make[2]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_open\
 cv/opencv/work/build'
 :info:build [ 33%] Built target opencv_xphoto
 :info:build make[1]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_open\
 cv/opencv/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_release_tarballs_ports_graphics_opencv/\
 opencv/work/build'
 :info:build Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_opencv/open\
 cv/work/build" && /usr/bin/make -j4 -w all VERBOSE=ON
 :info:build Exit code: 2
 :error:build Failed to build opencv: command execution failed
 :debug:build Error code: CHILDSTATUS 75808 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_release_tarballs_ports_graphics_opencv/opencv/main.log
 for d\
 etails.

-- 
Ticket URL: <https://trac.macports.org/ticket/58724>
MacPorts <https://www.macports.org/>
Ports system for macOS