[MacPorts] #30613: ffmpeg 0.7.1 fails to build on a Yonah (ie 32bit) XCode 4.0 machine

[MacPorts]

#30613: ffmpeg 0.7.1 fails to build on a Yonah (ie 32bit) XCode 4.0 machine
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 Reporter:  macports@…           |       Owner:  macports-tickets@…                   
     Type:  defect               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  2.0.1                                
 Keywords:                       |        Port:  ffmpeg                               
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 Attempting to build ffmpeg-0.7.1 eventually results in an error
 :info:build fatal error: error in backend: Ran out of registers during
 register allocation!
 while trying to compile libavcodec/h264_cabac.c
 (Presumably this occurs when trying to compile the huge function at the
 bottom of that file.)

 Possible fixes might be to attempt to compile that single file as -O2
 rather than -O3, or to allow some of forced inline functions to not be
 inline.

 Details are:
 This is a Yonah Macbook (MacBook1,1 Core Duo, NOT Core 2 Duo)
 Running OSX 10.6.8.
 Compiling using XCode 4.0.
 For obvious reasons, this machine will not be moving on to 10.7 and XCode
 4.1.

 I've attached the build log.

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Ticket URL: <https://trac.macports.org/ticket/30613>
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