Hi,

>> dtc-lexer.lex.o: In function `pop_input_file':
>> /home/buildbot/git/dtc/dtc-lexer.l:201: undefined reference to
>> `yypop_buffer_state'
>> collect2: ld returned 1 exit status
>> make: *** [dtc] Error 1
> 
> ...this is harder.  I do rely fairly heavily on the lex multiple input
> buffer support for processing includes.  I'm not sure when that went
> in, but obviously after flex 2.5.4.

> I could rewrite to not rely on the flex stuff and do it myself, but it
> would be non-trivial, so I'm afraid that fix won't happen particularly
> soon.

For the record: Updating flex to 2.5.35 made dtc build fine on RHEL-5.

cheers,
  Gerd



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