[ELDK] ELDK 5.2 and backtrace on ARM Kirkwood not working

[Detlev Zundel]

Hi Andreas,

> Indeed, the compiler flag -funwind-tables solved our backtrace issue.

Ok, I added an FAQ entry to our Wiki[1].

Thanks
  Detlev

[1] http://www.denx.de/wiki/view/ELDK-5/FrequentlyAskedQuestionsAndAnswers#The_glibc_function_backtrace_3_o

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