[OE-core] gold and -flto option

[Khem Raj]

On Fri, May 18, 2012 at 8:19 AM, Enrico Scholz
<enrico.scholz at sigma-chemnitz.de> wrote:
> Hi,
>
> after enabling gold linker (ld-is-gold DISTRO_FEATURE), the '-flto
> -fuse-linker-plugin' build options do not work anymore as with the old
> bfd linker.  I am using the toolchain layer of oe-meta.
>
> Is this expected or just some issue with our gcc?
>
>
> Enrico
>
> ---- with ld-is-gold ----
> $ arm-linux-gnueabi-gcc -flto -fuse-linker-plugin /tmp/x.c
> .../4.7.1/arm-linux-gnueabi-ld: -plugin: unknown option
> .../4.7.1/arm-linux-gnueabi-ld: use the --help option for usage information
>
> $ arm-linux-gnueabi-gcc --version
> arm-linux-gnueabi-gcc (GCC) 4.7.1 20120421 (prerelease)
> ...
>
> $ arm-linux-gnueabi-ld --version
> GNU gold (GNU Binutils 2.22) 1.11
>
>
> ---- without ld-is-gold ----
> $ arm-linux-gnueabi-gcc -flto -fuse-linker-plugin /tmp/x.c
> $
>
> $ arm-linux-gnueabi-ld --version
> GNU ld (GNU Binutils) 2.22
>

you need something like
https://lists.yoctoproject.org/pipermail/poky/2012-January/007488.html

this needs to go into OE-Core in some form.

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