[MacPorts] #29067: gcc46 fails to build on OS X 10.4.11 PPC

[MacPorts]

#29067: gcc46 fails to build on OS X 10.4.11 PPC
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 Reporter:  wienands@…          |       Owner:  mww@…           
     Type:  defect              |      Status:  new             
 Priority:  Normal              |   Milestone:                  
Component:  ports               |     Version:  1.9.1           
 Keywords:  tiger               |        Port:  gcc46           
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Comment(by darylew@…):

 I can't directly get `gcc46` to build on my PPC/32-bit Tiger system
 either.  On my system, all the object files are built, but the linking
 stage fails, with missing symbols for C++ runtime functions.  But I've
 gotten around this by forcing Apple's GCC 4.2 (from MacPorts) to be used
 to build.  (The default is the built-in GCC 4.0.1 compiler.)  You can
 force this with a line similar to
 [https://trac.macports.org/ticket/34366#comment:11 this comment] or
 messing around with the Portfile.  I think that should be added full time
 (which adds a dependency on `apple-gcc-42`).

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Ticket URL: <https://trac.macports.org/ticket/29067#comment:4>
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