[OE-core] [PATCH] kernel-arch: Force BFD kernel when using gcc for linking

[Bruce Ashfield]

On 15-08-19 04:12 PM, Burton, Ross wrote:
> On 19 August 2015 at 20:59, Nathan Lynch <Nathan_Lynch at mentor.com
> <mailto:Nathan_Lynch at mentor.com>> wrote:
>
>     On 08/19/2015 12:44 PM, Khem Raj wrote:
>     > We redefine LD to point to ld.bfd when building kernel, which works in
>     > most cases since kbuild system calls out for bare LD most of the time,
>     > however some of newer kernels e.g. 4.1+ have some code added which can
>     > call gcc directly to do the linking job e.g. arm vdso code
>     >
>     > This causes build failures when we have configured the default cross
>     > toolchain to use gold linker as default. Errors like
>     >
>     > BFD: arch/arm/vdso/vdso.so: Not enough room for program headers, try
>     > linking with -N
>     > | arm-angstrom-linux-gnueabi-objcopy:arch/arm/vdso/vdso.so[.hash]: Bad
>     > value
>     >
>     > start happening.
>     >
>     > With this patch we force gcc to choose bfd linker as well
>
>
>     This is fixed upstream as of:
>
>     commit d2b30cd4b7223a96e606dfc8120626f66d81e091
>     Author: Nathan Lynch <nathan_lynch at mentor.com
>     <mailto:nathan_lynch at mentor.com>>
>     Date:   Wed Jun 3 00:41:15 2015 +0100
>
>          ARM: 8384/1: VDSO: force use of BFD linker
>
>     which should make it to 4.1-stable soon.
>
>
>   CC'ing Bruce.
>
> I'll stage the fix from Khem in my master-unde-test branch.  Bruce: if
> you end up merging this fix into the oe-core kernels, please remind me
> to revert Khem's patch. :)

Noted. And will do.

Bruce

>
> Ross