On Thu, Jul 1, 2021 at 4:03 AM <ckim@etri.re.kr> wrote:

>
>
> Hello Alexander Kapshuk,
>
> Thanks for the reply. Following your advice, I installed `sudo apt install
> zfs-dkms` ( it gave me this scary-looking warning below I just installed
> it, because I’ll not distribute anything)
>
> It installs sources for zfs-dkms and I understand it contains bash script
> to automatically compile it when the kernel changes.
>
> I later found I had to do these commands.
>
>
>
> export $(dpkg-architecture -aarm64); export
> CROSS_COMPILE=arm-linux-gnueabihf-
>
> LANG=C fakeroot debian/rules ARCH=arm64
> CROSS_COMPILE=aarch64-none-linux-gnu- clean
>
> LANG=C fakeroot debian/rules ARCH=arm64
> CROSS_COMPILE=aarch64-none-linux-gnu- binary-headers binary-generic
> binary-perarch
>
>
>
> Before this, I had to download gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu
> from
> https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads
> because I saw some compiler error related to STACKPROTECTOR compile option
> when I used gcc tool from linaro which was based on gcc 7.5 (I remember,
> the new toolchain is gcc 10.2 based).
>
> With these, I could finally compile ubuntu 20.04!
>

Great to hear.
Thanks for letting us know.


> (For those interested, please see
> https://unix.stackexchange.com/questions/656263/how-to-build-ubuntu-for-arm64-how-to-give-arch-and-cross-compile-variable-to
> )
>
>
>
> Thank you!
>
> Chan Kim
>
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>