[PATCH] D18269: [ELF] - -rpath-link "implemented"

Rui Ueyama via llvm-commits llvm-commits at lists.llvm.org
Mon Mar 21 12:05:20 PDT 2016

On Sun, Mar 20, 2016 at 1:52 AM, Joerg Sonnenberger via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> On Sat, Mar 19, 2016 at 10:16:31AM +0000, Rui Ueyama via llvm-commits
> wrote:
> > I agree with your argument that we should ignore that option. gold
> > completely ignores that option, and the GNU ld's behavior to try to
> > resolve undefined symbols in all shared object files at (static-)link
> time seems broken to me.
> Actually, it is gold that is broken in this regard. Resolving undefined
> symbols recursively is needed for correct ELF operation, it is just that
> the GNU folks decided that once again that screwing with ELF is good.
> The requirement to explicitly link against all libraries you import from
> is stupid from the ELF perspective, both spec and implementation, as it
> just slows things down. It also breaks valid use cases for hiding
> implementation details...

So we do not try to resolve any undefined symbols in any .so file, and
therefore -rpath-link option does not make sense for us.

> Joerg
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