head -r341836 (jump to clang 7): amd64 -> armv7 cross build failed: ld: error: unable to find library -lh_csu

[Li-Wen Hsu]

On Thu, Dec 13, 2018 at 3:25 AM Mark Millard via freebsd-toolchain
<freebsd-toolchain at freebsd.org> wrote:
> Looks like this might have been from a race condition or some such.
> Rerunning the meta-mode build again had no such problem and completed.

It is also happening in clean build, I've filed a PR about this:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233734

Li-Wen