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This reverts commit cb935f345683194e42e6e883d79c5a16479acd74.
Discussion in D68708 advises that green dragon is being briskly
refurbished, and it's good to have this patch up testing it.
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This reverts commit f78c236efda85af1e526ac35ed535ef4786450e3.
Green dragon breakage was observed; I'll take a look at why.
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Dexter (Debug Experience Tester) is a test-driver for our debug info
integration tests, reading a set of debug experience expectations and
comparing them with the actual behaviour of a program under a debugger.
More about Dexter can be found in the RFC:
http://lists.llvm.org/pipermail/llvm-dev/2019-October/135773.html
and the phab review in D68708. Not all the debuginfo tests have been
transformed into Dexter tests, and we look forwards to doing that
incrementally.
This commit mostly aims to flush out buildbots that are running
debuginfo-tests but don't have python 3 installed, possibly
green-dragon and some windows bots.
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/usr/bin/env is recommended as a cross-platform way to find python. But:
- we're only using lldb on darwin, where we know python (or at least,
the xcrun-style shortcut) is in /usr/bin/
- the python interpreter in LLDB comes from /S/L/F:
$ otool -L Contents/SharedFrameworks/LLDB.framework/LLDB | grep Python
/System/Library/Frameworks/Python.framework/Versions/2.7/Python
so when we use the lldb python module, it calls into the swig/python
support in the lldb framework, and if there's a mismatch between the
interpreter and the linked python, weird things occur.
In theory, I believe this should be done by:
- looking for the LLDB framework (llgdb.py does some of that)
- finding the binary inside the framework
- looking for the Python it was linked against (otool -L)
- finding the interpreter executable inside the Python.framework
But in practice, that's only different if we use a custom LLDB
framework/pythonpath when running these tests, and AFAIK nobody does
that right now, so the code would be dead anyway.
Don't pretend we can use any arbitrary python: just use the system one.
Differential Revision: https://reviews.llvm.org/D47967
llvm-svn: 334369
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Summary:
Add cmake and lit files needed to run these tests as an
external project. Also, copy test_debuginfo.pl from llvm/utils since
it's only used here. The copy in llvm/utils must be maintained as
long as bots continue to include debuginfo-tests in clang/test.
This patch depends on clang patch https://reviews.llvm.org/D41055.
Reviewers: zturner, aprantl
Reviewed By: aprantl
Subscribers: mgorny, llvm-commits, JDevlieghere
Differential Revision: https://reviews.llvm.org/D40971
llvm-svn: 320495
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