[MacPorts] #30093: ffmpeg: Undefined symbols for architecture x86_64: _MM_FIX_0_707106781 _MM_FIX_0_541196100

[MacPorts]

#30093: ffmpeg: Undefined symbols for architecture x86_64: _MM_FIX_0_707106781
_MM_FIX_0_541196100
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  Reporter:  conradwt@…          |       Owner:  devans@…           
      Type:  defect              |      Status:  closed             
  Priority:  Normal              |   Milestone:                     
 Component:  ports               |     Version:  1.9.2              
Resolution:  fixed               |    Keywords:  x86_64             
      Port:  ffmpeg              |  
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Comment(by maythe4thbewithu@…):

 I didn't use MacPorts
 but I solve this and other similar problem, at least on my Mac OS Lion
 10.7.4 + FFmpeg0.11 + OpenCV2.4.0
 I install FFmpeg(with other 3rd libraries) and OpenCV from sources
 downloaded from official sites

 It seems
 "SOME" of the libraries used by ffmpeg such as faac and faad are configure
 with --build=i386-XXX or --build=i686-XXX by a wrong guess

 watch the dump message carefully after you ./configure
 especially the "build system type" and "host system type"

     "checking build system type ... i386-apple-XXXX"
     "checking build system type  ...i686-apple-XXXX"

 Both are need to fix. Only  x86_64  or  x86_64-XXX-XXX  are OK

 You should let the ./configure guess first. If it guess incorrectly, then
 fix.

 After rebuild all libraries with ./configure --build=x86_64  or something
 similar
 There is no error "Undefined symbols for architecture x86_64" while
 compiling OpenCV


 ALL libraries such as FFmpeg (--arch=x86_64) or the libraries used by
 FFmpeg SHOULD be checked and reinstall
 Libraries (other than FFmpeg) used by OpenCV also need to check.
 Set the architecture of OpenCV in CMake to be x86_64 is recommended but
 not necessary.

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Ticket URL: <https://trac.macports.org/ticket/30093#comment:12>
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