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Re: bump linkmap versions?

> Right now I'm doing:
> 
> nm --extern-only --portability libstdc++.so.5.0.0 | awk '{ print $1
> $2}'
> >& symbols.txt
> 
> sort symbols.txt >& symbols_sorted.txt
> 
> For 3.2, 3.3, and diffing the bits.

One disadvantage this has is that there is no way to force nm (at least
I don't know about it) to print version for versioned symbols
unconditionally - it only prints it on versioned undefined symbols or if
one symbol is in more than one version. The information can be digged
out from readelf output, but it is quite complicated.
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