[Buildroot] package/strace --enable-mpers=no

[Baruch Siach <baruch@tkos.co.il>]

Hi Heiko,

On Sun, Sep 06 2020, Heiko Thiery wrote:
> I faced an issue when building strace for aarch64 on my host where a
> 32bit arm toolchain is installed. As discussed with Brandon on IRC
> strace seems to find the 32bit toolchain because of the
> --enable-mpers=check option and fails with that.
>
> Do you think it makes sense to set --enable-mpers=no since buildroot
> does not support multi personality toolchains?
>
> [1] https://pastebin.com/8uaFHgyP
> [2] https://pastebin.com/GeSYYvnB

I never really got around to fully understand strace mpers handling. I
have been bitten by mpers in the past (commit fc0d31caeedb).

Buildroot built strace might run on external executable binaries. If
this functionality is useful, I don't think we should just disable it.

Why didn't the autobuilders catch this failure?

James' autobuilder does show a different mpers related build failure:

  http://autobuild.buildroot.net/?reason=strace-5.7

baruch

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