[MacPorts] #35434: octave-devel @3.4.3 build failure in Mac OSX 10.8

[MacPorts]

#35434: octave-devel @3.4.3 build failure in Mac OSX 10.8
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 Reporter:  vic@…            |       Owner:  michaelld@…           
     Type:  defect           |      Status:  new                   
 Priority:  Normal           |   Milestone:                        
Component:  ports            |     Version:  2.1.2                 
 Keywords:  mountainlion     |        Port:  octave-devel          
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Comment(by onurdomanic@…):

 Replying to [comment:11 benjf5+macports@…]:
 > Replying to [comment:9 onurdomanic@…]:
 > > I've added the block and the CGDisplayBitsPerPixel error disappears as
 you say, but now another error breaks the build:
 > >
 > > {{{
 > > :info:build sed: RE error: illegal byte sequence
 > > }}}
 > >
 > > I've attached the related log file to the ticket #30737.
 >
 > The sed error seems to have come from changes Apple made to their sed;
 the fix that I've seen in a few places (and which worked for me building
 from Octave's development sources) was to first unset the LANG variable
 before building. (Homebrew has run into the same problem, see here:
 https://github.com/mxcl/homebrew/pull/13787)

 I first tried unsetting LANG, then tried setting it to "C", and lastly
 unsetting LC_ALL too, but couldn't get a successful build yet. Still
 getting the same error:(

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Ticket URL: <https://trac.macports.org/ticket/35434#comment:12>
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