[MacPorts] #68094: rNMR @1.1.7: error: unable to start device X11

[MacPorts]

#68094: rNMR @1.1.7: error: unable to start device X11
------------------------+-----------------------
 Reporter:  ryandesign  |      Owner:  jwhowarth
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.8.1
 Keywords:              |       Port:  rNMR
------------------------+-----------------------
 https://build.macports.org/builders/ports-
 11_x86_64-builder/builds/125645/steps/install-port/logs/stdio
 {{{
 * installing *source* package ‘rNMR’ ...
 ** using staged installation
 ** R
 ** inst
 ** byte-compile and prepare package for lazy loading
 Warning message:
 In fun(libname, pkgname) :
   no display name and no $DISPLAY environment variable
 ** help
 *** installing help indices
 ** building package indices
 ** testing if installed package can be loaded from temporary location
 Warning in fun(libname, pkgname) :
   no display name and no $DISPLAY environment variable
 ** testing if installed package can be loaded from final location
 Warning in fun(libname, pkgname) :
   no display name and no $DISPLAY environment variable
 Warning in X11(title = "Main Plot Window", width =
 defaultSettings$size.main[1],  :
   unable to open connection to X11 display ''
 Error: package or namespace load failed for ‘rNMR’:
  .onLoad failed in loadNamespace() for 'rNMR', details:
   call: .External2(C_X11, d$display, d$width, d$height, d$pointsize,
   error: unable to start device X11
 Error: loading failed
 Execution halted
 ERROR: loading failed
 * removing
 ‘/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_rNMR/rNMR/work/rNMR_1.1.7/pkg/rNMR’
 Command failed: /opt/local/bin/R CMD INSTALL -l pkg --byte-compile --build
 /opt/local/var/macports/distfiles/rNMR/rNMR_1.1.7.tar.gz
 Exit code: 1
 }}}

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Ticket URL: <https://trac.macports.org/ticket/68094>
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