Bug#848368: llvm-toolchain-3.9: Please add ELF symbols versions to the libraries

[Julien Cristau]

Control: severity -1 serious

On Fri, Dec 16, 2016 at 15:55:49 -0300, Lisandro Damián Nicanor Pérez Meyer wrote:

> Source: llvm-toolchain-3.9
> Version: 1:3.9.1-1
> Severity: wishlist
> 
> As can be seen in #846410 having no ELF-versioned symbols leads to unexpected
> crashes when two LLVM versions are used in the same process.
> 
> Adding ELF symbols versions would allow avoiding this crashes as long as
> no data is interchanged between both versions of LLVM-related libs.
> 
For a library like LLVM with unstable ABI and multiple versions living
in the archive for extended periods of time (and even in releases), this
really isn't optional.

Cheers,
Julien