Actually the RPATH theory is wrong, but the LLVM_ENABLE_PROJECT
workaround *should* still work.

Am Di., 19. Okt. 2021 um 18:02 Uhr schrieb Raphael Isemann
<teempe...@gmail.com>:
>
> I just saw in your review comment that this is using
> LLVM_ENABLE_RUNTIMES and not LLVM_ENABLE_PROJECTS for libcxx, so the
> failure just comes from us setting the wrong RPATH due to the
> different runtimes library directory (at least from what I can see).
> Would it be possible to put libcxx in LLVM_ENABLE_PROJECTS for now? I
> think this shouldn't be too hard to fix (famous last words?).
>
> Am Mo., 18. Okt. 2021 um 22:30 Uhr schrieb David Blaikie <dblai...@gmail.com>:
> >
> > On Mon, Oct 18, 2021 at 9:45 AM Raphael Isemann <teempe...@gmail.com> wrote:
> >>
> >> I think https://reviews.llvm.org/D111978 ,
> >> https://reviews.llvm.org/D111981 and the other patches Pavel & me put
> >> up today should improve this situation IIUC.
> >
> >
> > Thanks Raphael - really appreciate you & looking into this!
> >
> > With https://reviews.llvm.org/D111981 I still seem to not have that cxx 
> > dependency (building/running the test, then building libcxx, then running 
> > the test again goes from unsupported -> failing) - didn't seem to work for 
> > me?
> >
> > The diagnostic improvement sounds good to me (pity about whatever 
> > limitations it has re: remote or windows execution gathering the stdout). I 
> > guess gathering the logs in the remote execution case has the same problem 
> > (that the log is made on the remote machine/non-trivial to retrieve?)?
> >
> > & yeah, have you got any patches/ideas about how to make the libcxx tests 
> > use the just-built libcxx library (using LD_LIBRARY_PATH, rpath, etc)? For 
> > now, even with both these fixes I'll just be seeing (consistent, which is 
> > nice) failures, rather than being able to run these tests successfully. 
> > I'll either have to get used to ignoring certain failures, or disable the 
> > tests by not building libcxx in that build tree, which would also be 
> > unfortunate. (or maybe there's some other workarounds?) Any idea how this 
> > works for other folks?
> >
> > - Dave
> >
> >> - Raphael
> >>
> >> Am Mo., 18. Okt. 2021 um 05:54 Uhr schrieb David Blaikie via lldb-dev
> >> <lldb-dev@lists.llvm.org>:
> >> >
> >> > Wondering if anyone else has encountered/dealt with debugging lldb test 
> >> > failures like the one shown at the end of this email ("AssertionError: 
> >> > 10 != 5" in "test.assertEqual(process.GetState(), lldb.eStateStopped)" 
> >> > while checking that a breakpoint was reached)
> >> >
> >> > Is there anything that could be done to improve the debuggability of 
> >> > such failures? Logging standard output/error from the lldb process or 
> >> > any other logging it might have? At least for one of these I managed to 
> >> > figure it out by running lldb directly on the binary and finding that 
> >> > the binary couldn't find libc++.so (that's a story for another bug/email 
> >> > thread, looks like maybe lldb libc++ pretty printer tests are using the 
> >> > system installed libc++, not the just-built libc++ (& thus not running 
> >> > if there is no system installed libc++)). But my current failure like 
> >> > this seems a bit more inscrutible and I'm still looking into it.
> >> >
> >> > Looks like dotest.py has some sense of logging (it has a --log-success 
> >> > option which says preserves the logs even on failure - though the output 
> >> > of dotest.py, at least for me, has no mention of logs, log files, or 
> >> > where they might be located, and looking at the source points to some 
> >> > sort of ".log" files... ah, found some)
> >> >
> >> > So, yeah, there do seem to be some Failure.log, SkippedTest.log, etc - 
> >> > should dotest print something about the paths to those files when it 
> >> > exits with failure, maybe?
> >> >
> >> > ********************
> >> >
> >> > FAIL: lldb-api :: 
> >> > functionalities/data-formatter/data-formatter-stl/libcxx/set/TestDataFormatterLibcxxSet.py
> >> >  (23 of 23)
> >> >
> >> > ******************** TEST 'lldb-api :: 
> >> > functionalities/data-formatter/data-formatter-stl/libcxx/set/TestDataFormatterLibcxxSet.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/release/./lib
> >> >  --arch x86_64 --build-dir 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/lldb-test-build.noindex
> >> >  --lldb-module-cache-dir 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/lldb-test-build.noindex/module-cache-lldb/lldb-api
> >> >  --clang-module-cache-dir 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/lldb-test-build.noindex/module-cache-clang/lldb-api
> >> >  --executable 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/./bin/lldb 
> >> > --compiler 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/./bin/clang 
> >> > --dsymutil 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/./bin/dsymutil 
> >> > --llvm-tools-dir 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/./bin 
> >> > --lldb-libs-dir 
> >> > /usr/local/google/home/blaikie/dev/llvm/build/release/./lib 
> >> > /usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/set
> >> >  -p TestDataFormatterLibcxxSet.py
> >> >
> >> > --
> >> >
> >> > Exit Code: 1
> >> >
> >> >
> >> > Command Output (stdout):
> >> >
> >> > --
> >> >
> >> > lldb version 14.0.0 (g...@github.com:llvm/llvm-project.git revision 
> >> > 6176fda3f992b5086302b3826aa0636135cc4cc0)
> >> >
> >> >   clang revision 6176fda3f992b5086302b3826aa0636135cc4cc0
> >> >
> >> >   llvm revision 6176fda3f992b5086302b3826aa0636135cc4cc0
> >> >
> >> > Skipping the following test categories: ['dsym', 'gmodules', 
> >> > 'debugserver', 'objc']
> >> >
> >> >
> >> > --
> >> >
> >> > Command Output (stderr):
> >> >
> >> > --
> >> >
> >> > UNSUPPORTED: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_ref_and_ptr_dsym 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase) (test case 
> >> > does not fall in any category of interest for this run)
> >> >
> >> > FAIL: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_ref_and_ptr_dwarf 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> > FAIL: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_ref_and_ptr_dwo 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> > UNSUPPORTED: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_ref_and_ptr_gmodules 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase) (test case 
> >> > does not fall in any category of interest for this run)
> >> >
> >> > UNSUPPORTED: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_with_run_command_dsym 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase) (test case 
> >> > does not fall in any category of interest for this run)
> >> >
> >> > FAIL: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_with_run_command_dwarf 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> > FAIL: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_with_run_command_dwo 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> > UNSUPPORTED: LLDB 
> >> > (/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang-x86_64) 
> >> > :: test_with_run_command_gmodules 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase) (test case 
> >> > does not fall in any category of interest for this run)
> >> >
> >> > ======================================================================
> >> >
> >> > FAIL: test_ref_and_ptr_dwarf 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> >    Test that the data formatters work on ref and ptr.
> >> >
> >> > ----------------------------------------------------------------------
> >> >
> >> > Traceback (most recent call last):
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbtest.py",
> >> >  line 1823, in test_method
> >> >
> >> >     return attrvalue(self)
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/set/TestDataFormatterLibcxxSet.py",
> >> >  line 128, in test_ref_and_ptr
> >> >
> >> >     (self.target, process, _, bkpt) = lldbutil.run_to_source_breakpoint(
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 970, in run_to_source_breakpoint
> >> >
> >> >     return run_to_breakpoint_do_run(test, target, breakpoint, 
> >> > launch_info,
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 892, in run_to_breakpoint_do_run
> >> >
> >> >     test.assertEqual(process.GetState(), lldb.eStateStopped)
> >> >
> >> > AssertionError: 10 != 5
> >> >
> >> > Config=x86_64-/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang
> >> >
> >> > ======================================================================
> >> >
> >> > FAIL: test_ref_and_ptr_dwo 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> >    Test that the data formatters work on ref and ptr.
> >> >
> >> > ----------------------------------------------------------------------
> >> >
> >> > Traceback (most recent call last):
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbtest.py",
> >> >  line 1823, in test_method
> >> >
> >> >     return attrvalue(self)
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/set/TestDataFormatterLibcxxSet.py",
> >> >  line 128, in test_ref_and_ptr
> >> >
> >> >     (self.target, process, _, bkpt) = lldbutil.run_to_source_breakpoint(
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 970, in run_to_source_breakpoint
> >> >
> >> >     return run_to_breakpoint_do_run(test, target, breakpoint, 
> >> > launch_info,
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 892, in run_to_breakpoint_do_run
> >> >
> >> >     test.assertEqual(process.GetState(), lldb.eStateStopped)
> >> >
> >> > AssertionError: 10 != 5
> >> >
> >> > Config=x86_64-/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang
> >> >
> >> > ======================================================================
> >> >
> >> > FAIL: test_with_run_command_dwarf 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> >    Test that that file and class static variables display correctly.
> >> >
> >> > ----------------------------------------------------------------------
> >> >
> >> > Traceback (most recent call last):
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbtest.py",
> >> >  line 1823, in test_method
> >> >
> >> >     return attrvalue(self)
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/set/TestDataFormatterLibcxxSet.py",
> >> >  line 49, in test_with_run_command
> >> >
> >> >     (self.target, process, _, bkpt) = lldbutil.run_to_source_breakpoint(
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 970, in run_to_source_breakpoint
> >> >
> >> >     return run_to_breakpoint_do_run(test, target, breakpoint, 
> >> > launch_info,
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 892, in run_to_breakpoint_do_run
> >> >
> >> >     test.assertEqual(process.GetState(), lldb.eStateStopped)
> >> >
> >> > AssertionError: 10 != 5
> >> >
> >> > Config=x86_64-/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang
> >> >
> >> > ======================================================================
> >> >
> >> > FAIL: test_with_run_command_dwo 
> >> > (TestDataFormatterLibcxxSet.LibcxxSetDataFormatterTestCase)
> >> >
> >> >    Test that that file and class static variables display correctly.
> >> >
> >> > ----------------------------------------------------------------------
> >> >
> >> > Traceback (most recent call last):
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbtest.py",
> >> >  line 1823, in test_method
> >> >
> >> >     return attrvalue(self)
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/set/TestDataFormatterLibcxxSet.py",
> >> >  line 49, in test_with_run_command
> >> >
> >> >     (self.target, process, _, bkpt) = lldbutil.run_to_source_breakpoint(
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 970, in run_to_source_breakpoint
> >> >
> >> >     return run_to_breakpoint_do_run(test, target, breakpoint, 
> >> > launch_info,
> >> >
> >> >   File 
> >> > "/usr/local/google/home/blaikie/dev/llvm/src/lldb/packages/Python/lldbsuite/test/lldbutil.py",
> >> >  line 892, in run_to_breakpoint_do_run
> >> >
> >> >     test.assertEqual(process.GetState(), lldb.eStateStopped)
> >> >
> >> > AssertionError: 10 != 5
> >> >
> >> > Config=x86_64-/usr/local/google/home/blaikie/dev/llvm/build/release/bin/clang
> >> >
> >> > ----------------------------------------------------------------------
> >> >
> >> > Ran 8 tests in 3.035s
> >> >
> >> >
> >> > RESULT: FAILED (0 passes, 4 failures, 0 errors, 4 skipped, 0 expected 
> >> > failures, 0 unexpected successes)
> >> >
> >> >
> >> > _______________________________________________
> >> > lldb-dev mailing list
> >> > lldb-dev@lists.llvm.org
> >> > https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
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