<div dir="ltr">I hit the same problem last week. I ended up blowing away my build directory, and the problem went away. <div><br></div><div>Probably a cache issue, but I was unable to reproduce...</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 7, 2017 at 10:21 AM, Jim Ingham via lldb-dev <span dir="ltr"><<a href="mailto:lldb-dev@lists.llvm.org" target="_blank">lldb-dev@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">The lldb_cmake GreenDragon bot is now failing, e.g.:<br>
<br>
<a href="http://lab.llvm.org:8080/green/view/LLDB/job/lldb_cmake/1703/consoleFull#589016626e9a0fee5-ebcc-4238-a641-c5aa112c323e" rel="noreferrer" target="_blank">http://lab.llvm.org:8080/<wbr>green/view/LLDB/job/lldb_<wbr>cmake/1703/consoleFull#<wbr>589016626e9a0fee5-ebcc-4238-<wbr>a641-c5aa112c323e</a><br>
<br>
This looks related to Pavel's change:<br>
<br>
> r316728 | labath | 2017-10-26 19:24:04 -0700 (Thu, 26 Oct 2017) | 18 lines<br>
><br>
> Default to using in-tree clang for building test executables<br>
><br>
> Summary:<br>
> Using the in-tree clang should be the default test configuration as that<br>
> is the one compiler that we can be sure everyone has (better<br>
> reproducibility of test results). Also, it should hopefully reduce the<br>
> impact of pr35040.<br>
><br>
> This also reduces the number of settings which control the compiler<br>
> used. LLDB_TEST_C_COMPILER is used for C files and<br>
> LLDB_TEST_CXX_COMPILER for C++ files. Both of the settings default to<br>
> the in-tree clang.<br>
><br>
> Reviewers: zturner<br>
><br>
> Subscribers: mgorny, davide, lldb-commits<br>
><br>
> Differential Revision: <a href="https://reviews.llvm.org/D39215" rel="noreferrer" target="_blank">https://reviews.llvm.org/<wbr>D39215</a><br>
><br>
<br>
The error is:<br>
<br>
CMake Error at tools/lldb/CMakeLists.txt:78 (message):<br>
<br>
LLDB test compilers not specified. Tests will not run<br>
<br>
<br>
Does the bot need to be reconfigured for these changes?<br>
<br>
Jim<br>
<br>
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</blockquote></div><br></div>