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Is there any way to read from compiled code what CCFLAGS (particularly the optimizations) were set at compile time?

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  • I think your question is a duplicate of stackoverflow.com/questions/2387040/… but given it's on a different SE site I can't report it through the "flag" button.
    – Shadok
    Feb 21, 2013 at 13:49
  • @Shadok almost what he wants: your link refers to reading the GCC version, the asker wants to know if he can find the CFLAGS used for building the binary.
    – Renan
    Feb 21, 2013 at 13:57
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    Sorry I think I swapped two links, here the one I wanted to link: stackoverflow.com/questions/189350/…
    – Shadok
    Feb 21, 2013 at 14:16
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    Thanks Shadok - if you add this as an answer I'll accept it. In my case the code was compiled with gcc 4.5 :) but the binary in question has been stripped :(
    – symcbean
    Feb 21, 2013 at 22:56

1 Answer 1

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Apparently there is but only with gcc >= 4.3,the switch -frecord-gcc-switches causes the whole command line to be put into ASCII commentaries.

See here for an answer to this question on SO.

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