[yocto] Yocto Thud - /lib64 link - Build Failure

[Chuck Wolber]

Thank you, switching to IMAGE_PREPROCESS_COMMAND_append seems to have
solved the problem.

..Ch:W..

On Wed, Nov 28, 2018 at 7:14 PM ChenQi <Qi.Chen at windriver.com> wrote:

> This is because prelink_image is also in IMAGE_PREPROCESS_COMMAND.
>
> meta/classes/image-prelink.bbclass:IMAGE_PREPROCESS_COMMAND_append_libc-glibc
> = " prelink_setup; prelink_image; "
>
> And as it's using _append, it will be after your 'symlink_lib64'.
> Maybe using IMAGE_PREPROCESS_COMMAND_append = " symlink_lib64; " would
> work for you?
>
> Best Regards,
> Chen Qi
>
> On 11/29/2018 08:09 AM, Chuck Wolber wrote:
>
> Background: I have an image that works in pyro. I am migrating the image
> to thud.
>
> Some of the add-on code to our image requires the /lib64 directory (in
> particular the VirtualBox Additions). I have proven that a simple symlink
> (/lib -> /lib64) fixes the problem. This symlink was being applied with the
> following code at the very bottom of the image:
>
> IMAGE_PREPROCESS_COMMAND += "symlink_lib64; "
>
> symlink_lib64() {
>
>     ln -s /lib ${IMAGE_ROOTFS}/lib64
>
> }
>
>
> When I use that same code with Yocto thud, I get the following build error:
>
> DEBUG: Executing shell function prelink_image
>
> Size before prelinking 818112.
>
> /build/poky/tmp/work/qemux86_64-linux/common-os-image/1.0-r0/recipe-sysroot-native/usr/sbin/prelink:
> Could not record directory /lib/modules-load.d: No such file or directory
>
> WARNING: exit code 1 from a shell command.
>
>
> Looking at the image generation diagram here (
> https://www.yoctoproject.org/docs/2.6/overview-manual/overview-manual.html#image-generation-dev-environment),
> it would seem to indicate that IMAGE_PREPROCESS_COMMAND runs after the
> linker steps in do_rootfs. So it is unclear why prelink is failing during
> the do_image phase.
>
> Where is the correct place to create a /lib -> /lib64 symlink in our image
> recipe?
>
> Thank you,
>
> ..Ch:W..
>
>
>
>

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