Re: The gold linker is now in the base system

["Sascha Wildner" <saw@xxxxxxxxx>]

On Wed, 18 May 2011 08:26:09 +0200, John Marino <dragonflybsd@marino.st>  
wrote:

> Today I flipped a switch a switch which allows the gold linker to be  
> built with world.  After the next build, you'll find it located at  
> /usr/libexec/binutils221/elf/ld.gold .
>
> It is considered experimental at this point.  Users of large C++  
> projects should see a large jump in compiling speed when using gold  
> (could be up to 5x faster), so if you are a frequent builder of such a  
> project, you might be interested to switch linkers.
>
> For additional information:
> /usr/bin/ld is objformat-linked to /usr/libexec/binutils221/elf/ld
> /usr/libexec/binutils221/elf/ld is hardlinked to  
> /usr/libexec/binutils221/ld.bfd
>
> Gold will NOT build a usable kernel or world.  The only way to attempt  
> this is to modify to the ld.bfd and ld.gold makefiles, so you luckily  
> can't do this accidentally.  Therefore, you should be safe if you decide  
> to change the /usr/libexec/binutils221/elf/ld hardlink to gold.
>
> It would be great to hear about successes and failures encountered with  
> the use of the gold linker.
>
> -- John

John,

it seems to be only rtld-elf that has an issue when linked with gold  
(somewhere in rtld_start.S).

A gold linked chroot works fine (meaning, I can buildworld again  
successfully in it) when I replace its ld-elf.so.2 with one that is not  
linked with gold.

Regards,
Sascha

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