[gold] LLVM plugin and PIE

[Ian Lance Taylor]

Remi Gacogne <rgacogne-bugs@coredump.fr> writes:

> I am trying to fix an issue in LLVM preventing the use of LTO when
> building a PIE.
>
> The issue is caused by the fact that the LLVM Gold plugin incorrectly
> generates a non-PIC/ non-PIE object when LDPT_LINKER_OUTPUT is set to
> LDPO_EXEC, even if a PIE build is needed. I know this is a LLVM issue
> and not a Gold one, but I am looking for a way for the plugin to know
> that a PIE build has been required.
>
> GCC solves this by passing various options through the
> COLLECT_GCC_OPTIONS env variable, and I was wondering if it was
> possible to avoid doing something of the same kind using informations
> that Gold already provides to the plugin? I haven't been able to find
> such information in the WHOPR design, but I may have missed something.

Are you working with Rafael?

http://sourceware.org/ml/binutils/2012-06/msg00129.html

Ian