[yocto] SSTATE_MIRRORS problems, libpthread.so.0 not found ...

[Khem Raj]

On Thursday, April 11, 2013, Jonas Jonsson L <jonas.l.jonsson at ericsson.com>
wrote:
> Hi!
>
>
>
> I’m building several different Raspberry Pi images that are almost the
same, some configuration issues (ip-address, hostnames etc) differs on
those different images.  My solution was to simply build a ‘clean’ image
without any tweaking, then use all the packages from the ‘clean’ image via
SSTATE_MIRRORS and build my images with their own peculiarities.  The
‘clean’ image is basically a ‘core-image-minimal’ image (rpi-hwup-image for
Raspberry Pi).
>
>
>
> So in ‘clean’ I have the sstate-cache, and in the other configurations, I
set up
>
> SSTATE_MIRRORS ?= “file://.* file:///home/foobar/clean/sstate-cache/PATH”
>
> in my local.conf ….  It works like a charm with regards to speed and
disk-space.
>
>
>
> The package that I’ve built builds clean without any warnings in the
‘clean’ build.  However, if I don’t build my package in the clean image,
but in one of my ‘configured’ images, it fails.  All of a sudden, the
linker can’t find neither /lib/libpthread.so.0 nor
/usr/lib/libpthread_nonshared.a L
>

It seems you have totally different workspaces per image which share same
state is that right ?

Do you have these files populated in one of customised sandboxes

Linker should look into the customised Sandbox's sysroot not clean sandbox
one
>
>
> buildfolder/tmp/sysroots/raspberrypi > ls -ll lib/libpthread.so.0
usr/lib/libpthread_nonshared.a lib/libpthread-2.17.so
>
> -rwxr-xr-x 1 foobar bitbakers 960802 Apr 11 12:47 lib/libpthread-2.17.so
>
> lrwxrwxrwx 1 foobar bitbakers     18 Apr 11 12:47 lib/libpthread.so.0 ->
libpthread-2.17.so
>
> -rw-r--r-- 1 foobar bitbakers   3376 Apr 11 12:47
usr/lib/libpthread_nonshared.a
>
>
>
> What’s going on here?  The sysroot (for the GNU tools) points to the
correct folder, and the project is a standard autotools project, thus no
magic involved.  Is there any particular dependency that I must set up in
order to use pthreads?
>
>
>
> Any ideas?  By the way, I’m on poky/master (march 7:th), ‘git log –n 1’
shows ‘6d9a3ac0515380d0789ee3d316c08212592a6f9a’ (if that’s interesting…)
>
>
>
> Best regards,
>
> Jonas Jonsson
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