[llvm-dev] Linker Option support for ELF

[Rui Ueyama via llvm-dev]

On Tue, Jan 9, 2018 at 8:25 AM, Rafael Avila de Espindola via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> James Henderson via llvm-dev <llvm-dev at lists.llvm.org> writes:
>
> > By my understanding, the proposal is that the user input looks something
> > like:
> >
> > #pragma linker_directive("lib", "m")
> >
> > which is passed essentially as is to the linker, i.e. the directive
> payload
> > is a pair of strings, the first being "lib", the second "m". It is then
> up
> > to the linker to decide if it supports "lib" directives, and translate
> that
> > into the corresponding command, or do something else if it doesn't
> support
> > it, e.g. emit an error or ignore it. Neither the backend nor the frontend
> > need to do any conversion, and it makes it much clearer that these aren't
> > like any other command-line option (due to the limited set that can be
> > passed through, and the possible differences in behaviour, such as order
> on
> > the command-line).
>
> This is exactly my understanding. I really like that the proposal is
> transparent to clang and llvm and avoids any confusion with command line
> options.
>

That's my understanding too.



> Cheers,
> Rafael
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