[MacPorts] #34213: gcc-apple-4.2 should work around a buggy 10.4 header

[MacPorts]

#34213: gcc-apple-4.2 should work around a buggy 10.4 header
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  Reporter:  Peter_Dyballa@…           |       Owner:  jeremyhu@…           
      Type:  defect                    |      Status:  closed               
  Priority:  Normal                    |   Milestone:                       
 Component:  ports                     |     Version:  2.0.4                
Resolution:  wontfix                   |    Keywords:                       
      Port:  apple-gcc42               |  
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Comment(by Peter_Dyballa@…):

 Replying to [comment:12 jeremyhu@…]:
 > Replying to [comment:11 Peter_Dyballa@…]:
 >
 > Based on the log, "-mcpu=7450 -mtune=7450" is being passed in to the
 CFLAGS to configure.  This means that you have modified base to do so,
 since neither base nor the emacs Portfile set those flags.  Hence it is
 happening only in a user-modified situation.
 >
 I was not trying to compile a MacPorts package, I was trying to compile
 the sources of GNU Emacs 24.1.50 which I got with bzr.

 >
 > > , and should not have any impact on how C header files are interpreted
 >
 > That is where you are wrong.  They change preprocessor macros which by
 definition changes how headers are interpreted.

 This is not easy to believe for me... Using -E instead of -c should then
 produce different pre-processed output files. I'll try that with the code
 from the configure run!

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Ticket URL: <https://trac.macports.org/ticket/34213#comment:13>
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