llvm dev - Mar 2011 - [LLVMdev] Status of llvm-ld

All,

As a part of the PNaCl project we're doing some investigations into how we
do linking, and have started looking at llvm-ld.  Several of us have heard
that this tool is no longer supported.  Could someone please clarify?

Thanks,

David
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On Mar 30, 2011, at 11:08 AM, David Sehr wrote:
> All,
> 
> As a part of the PNaCl project we're doing some investigations into how
we do linking, and have started looking at llvm-ld.  Several of us have heard
that this tool is no longer supported.  Could someone please clarify?
Hi David,

It is supported and in use by many projects.  Most people who care about LTO
have switched to native linker plugins: either liblto (on the mac) or the gold
plugin.  That said, llvm-link and llvm-ld continue to work as they always have. 
llvm-ld's major limitation is that it doesn't implement all the linker
flags that various system ld's do.

-Chris

Hi Chris,

Thanks for the update.  As you know, we're trying to build a phase that
looks like the user's platform linker, so we'll probably need all the
flag
support eventually.  And although it's hotly debated occasionally (:-)), we
probably will want the ability to link with native code also.  Both of these
lean in favor of gold/plugin.

Thanks again,

David

On Wed, Mar 30, 2011 at 10:42 PM, Chris Lattner <clattner at apple.com>
wrote:
>
> On Mar 30, 2011, at 11:08 AM, David Sehr wrote:
>
> > All,
> >
> > As a part of the PNaCl project we're doing some investigations
into how
> we do linking, and have started looking at llvm-ld.  Several of us have
> heard that this tool is no longer supported.  Could someone please clarify?
>
> Hi David,
>
> It is supported and in use by many projects.  Most people who care about
> LTO have switched to native linker plugins: either liblto (on the mac) or
> the gold plugin.  That said, llvm-link and llvm-ld continue to work as they
> always have.  llvm-ld's major limitation is that it doesn't
implement all
> the linker flags that various system ld's do.
>
> -Chris
>
>
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