Jenkins build is still unstable: FreeBSD_HEAD #564

Ngie Cooper (yaneurabeya) yaneurabeya at
Mon Aug 29 18:05:02 UTC 2016

> On Aug 29, 2016, at 11:02, Ngie Cooper (yaneurabeya) <yaneurabeya at> wrote:
>> On Aug 29, 2016, at 11:00, Bryan Drewery <bdrewery at> wrote:
>> On 8/29/2016 10:58 AM, Ngie Cooper (yaneurabeya) wrote:
>>> (-bdrewery)
>>>> On Aug 29, 2016, at 10:52, Li-Wen Hsu <lwhsu at> wrote:
>>>> I guess the quickest way is boot that VM, cd to
>>>> /usr/tests/lib/atf/libatf-c++ and run `kyua test atf_c++_test`
>>>> However I am not sure this provides enough information because stuff
>>>> under /usr/tests/lib/atf/libatf-c++ are all binary files.
>>>> FWIW, I would like to know, should these -target, --sysroot and -B flages be
>>>> given when compiling a normal program in a normal time?  In this test
>>>> case, kyua just wanted to compile test.cpp which includes sstream, it's
>>>> not during buildworld/buildkernel time, so files under /usr/obj
>>>> should not be used.
>>> I’m actively working on this right now. If I can’t resolve it soon, I’ll file a bug, mark it as an expected failure, and we can work on fixing the issue with a bit more leisure.
>>> It’s not a cross-compiler problem — something changed recently (likely in clang/libc++) that’s causing this problem, and it might just be an existing bug that was triggered by that change..
>> What changed recently is that buildworld now always uses --sysroot for
>> Clang, and --sysroot,-isystem,-B,-L for GCC.
> Ok. I’m not fully convinced that that’s the problem yet. Will drill down into the issue in the next half hour and will post a bug with my findings.

Oh wait. Damn… I see the --sysroot line in the compilation output from the test. Crap… that’s not going to work.

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