[MacPorts] #15416: R 2.7 Port (gnu-r): Tk interface does not work

[MacPorts]

#15416: R 2.7 Port (gnu-r): Tk interface does not work
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  Reporter:  mark.m.fredrickson at gmail.com  |       Owner:  macports-tickets at lists.macosforge.org
      Type:  defect                        |      Status:  new                                  
  Priority:  Normal                        |   Milestone:  Port Bugs                            
 Component:  ports                         |     Version:  1.6.0                                
Resolution:                                |    Keywords:                                       
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Comment (by mark.m.fredrickson at gmail.com):

 It would seem this bug is documented (at least to some degree):
 http://www.nabble.com/tcltk-issue-remains-td16541839.html

 I followed the solution mentioned there:

 {{{
 > Sys.setenv("DISPLAY"=":0")
 }}}

 Loading the Tcl/TK library then works. Knowing the problem was caused by
 an environment variable, I looked a little closer at what I had been doing
 before I launched R. I've been using R for less than a week and after
 launching X11, I think I had always loaded R using its complete path.
 However, by coincidence, after I upgraded I had been reading in my
 ~/.profile file to get my usual bash settings.

 {{{

 bash-3.2$ source ~/.profile
 $ r

 }}}

 My .profile explicitly sets the DISPLAY=0.0. It seems OS X x11 needs
 DISPLAY=:0. Changing this in my .profile solves the problem.

 So, in conclusion, this may not be a bug with the port per-se, but rather
 good old user error. I'll leave it to wiser heads to close the ticket or
 keep it open.

 Cheers,
 -Mark

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Ticket URL: <http://trac.macports.org/ticket/15416#comment:2>
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