Re: LTO ltrans name mangling in GCC 4.8.2

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On 2017.08.31 at 13:03 +0000, Lassi Niemistö wrote:
> 
> 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?
> 
> I can use link switch -s to strip this information, but if I want to
> include the debug info, this will not be possible.

Use a more recent gcc version? This issue was already fixed in 4.8.5.

-- 
Markus



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