[yocto] Problem with exporting variable in bbappend file

[Khem Raj]

> On Aug 30, 2016, at 5:30 AM, Gujulan Elango, Hari Prasath (H.) <hgujulan at visteon.com> wrote:
> 
> Hello all,
> 
> We are working on a platform based on Renesas processor. The BSP provided by them has arm-trusted-firmware. Now in order to enable all the 8 cores, they have suggested to add a environment variable in the arm-trusted-firmware_git.bb file in their BSP layer as below.
> 
> export PSCI_DISABLE_BIGLITTLE_IN_CA57BOOT="0"
> 
> We would prefer to make this change in our custom layer by creating a .bbappend file. We added the change in bbappend file,recompiled it and tested, but couldn't get the expected results. When I do the same change in the .bb file itself in their BSP layer, I am able to see the expected result.
> 
> Is it okay to just add the export as mentioned above in the .bbappend file ? Am I missing something else ?

ensure that your bbappend is actually applying to the final parsed recipe. You can use bitbake-layers show-appends to ensure that or simply bitbake -e and grep for this change

> 
> Thanks & Regards,
> Hari Prasath
> --
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