Re: LTO ltrans name mangling in GCC 4.8.2

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On 31 August 2017 at 14:03, Lassi Niemistö wrote:
> Hello,
>
> Aiming for a deterministic build, one of the last walls I hit is the LTO (-fwhole-program -flto -fuse-linker-plugin).
>
> When running
> strings < /path/to/binary
> for two different build runs and diff them, I get differences like
> "ccV3ggwx.ltrans0.o"   vs.   "cchJIW0p.ltrans0.o"
>
> Why is the ltrans mangling some names like this? Can I somehow force it deterministic?

Does using -frandom-seed=0 help?

> I can use link switch -s to strip this information, but if I want to include the debug info, this will not be possible.
>
> -Lassi N.




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