Might be an easy fix to have our test suite unset the "LD_LIBRARY_PATH" env var
if it is set?
> On Jan 19, 2021, at 5:38 PM, David Blaikie via lldb-dev
> wrote:
>
> Jonas helped me out here (Thanks!)
>
> Seems I was setting LD_LIBRARY_PATH for, so far as I recall, good reasons (I
> have some things installed locally in $HOME/install and I thought somewhere
> in the mists of time the executables ($HOME/install/bin) didn't naturally
> find some shared libraries in $HOME/install/lib{,64}) but it was definitely
> messing up the lldb test execution - so for now I've unset LD_LIBRARY_PATH
> and I'll leave it that way/see if I rediscover what motivated me to set it in
> the first place - if that comes up I'll have something more concrete to
> discuss. But for now I'm unblocked/not hitting this issue anymore.
>
> Thanks again,
> - Dave
>
> On Tue, Jan 19, 2021 at 3:56 PM David Blaikie > wrote:
> On Linux (Ubuntu) + cmake + ninja, it seems this test isn't testing the
> checked-out lldb, but instead running the system (or user-dir, in my case)
> installed lldb (see examples at the end of this email)
>
> If I remove the user-dir installed lldb then the test fails differently -
> complaining that it can't find the lldb python bindings, it seems. So it's
> not even falling back to the just-built lldb, by the looks of it.
>
> Any ideas? Anyone else come across this? Should something in the testing be
> setting PYTHONPATH to include (preferentially/early) the just-built python
> lldb package?
>
> - Dave
>
>
> $ ./bin/llvm-lit -v tools/lldb/test/API/commands/help/TestHelp.py
> -- Testing: 1 tests, 1 workers --
> FAIL: lldb-api :: commands/help/TestHelp.py (1 of 1)
> TEST 'lldb-api :: commands/help/TestHelp.py' FAILED
>
> Script:
> --
> /usr/bin/python3
> /usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/dotest.py -u
> CXXFLAGS -u CFLAGS --env ARCHIVER=/usr/bin/ar --env OBJCOPY=/usr/bin/objcopy
> --env
> LLVM_LIBS_DIR=/usr/local/google/home/blaikie/dev/llvm/build/default/./lib
> --arch x86_64 --build-dir
> /usr/local/google/home/blaikie/dev/llvm/build/default/lldb-test-build.noindex
> --lldb-module-cache-dir
> /usr/local/google/home/blaikie/dev/llvm/build/default/lldb-test-build.noindex/module-cache-lldb/lldb-api
> --clang-module-cache-dir
> /usr/local/google/home/blaikie/dev/llvm/build/default/lldb-test-build.noindex/module-cache-clang/lldb-api
> --executable
> /usr/local/google/home/blaikie/dev/llvm/build/default/./bin/lldb --compiler
> /usr/local/google/home/blaikie/dev/llvm/build/default/./bin/clang --dsymutil
> /usr/local/google/home/blaikie/dev/llvm/build/default/./bin/dsymutil
> --filecheck
> /usr/local/google/home/blaikie/dev/llvm/build/default/./bin/FileCheck
> --yaml2obj
> /usr/local/google/home/blaikie/dev/llvm/build/default/./bin/yaml2obj
> --lldb-libs-dir /usr/local/google/home/blaikie/dev/llvm/build/default/./lib
> /usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/commands/help -p
> TestHelp.py
> --
> Exit Code: -11
>
> Command Output (stdout):
> --
> lldb version 12.0.0 (g...@github.com:llvm/llvm-project.git revision
> d49974f9c98ebce5a679eced9f27add138b881fa)
> clang revision d49974f9c98ebce5a679eced9f27add138b881fa
> llvm revision d49974f9c98ebce5a679eced9f27add138b881fa
>
> --
> Command Output (stderr):
> --
> Fatal Python error: Segmentation fault
>
> Current thread 0x7fe870b7d740 (most recent call first):
> File
> "/usr/local/google/home/blaikie/install/lib/python3/dist-packages/lldb/__init__.py",
> line 3098 in HandleCommand
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbtest.py",
> line 2146 in runCmd
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/commands/help/TestHelp.py",
> line 62 in test_help_memory_read_should_not_crash_lldb
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/decorators.py",
> line 345 in wrapper
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/third_party/Python/module/unittest2/unittest2/case.py",
> line 413 in runMethod
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/third_party/Python/module/unittest2/unittest2/case.py",
> line 383 in run
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/third_party/Python/module/unittest2/unittest2/case.py",
> line 458 in __call__
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/third_party/Python/module/unittest2/unittest2/suite.py",
> line 117 in _wrapped_run
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/third_party/Python/module/unittest2/unittest2/suite.py",
> line 115 in _wrapped_run
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/third_party/Python/module/unittest2/unittest2/suite.py",
> line 85 in run
> File
> "/usr/local/google/home/blaikie/dev/llvm/src/lldb/third_party/Python/mod
