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d4e97d7b6a
Some versions of bash.exe, for example WSL's version expect paths in the form /mnt/c/path/to/dir rather than c:\\path\\to\\dir so will cause failures for any tests that require an external shell if used by lit. If we're on Windows and looking for an external shell, check that the found version of bash is able to parse a native path before returning that version. This patch also partially reverts the behaviour of r228221 by restoring the warning if bash cannot be found. This shouldn't pollute the lit stderr anymore as we're now using internal shell by default on Windows. If someone is explicitly specifying to use an external shell, it's probably worth alerting them to the fact that bash could not be found. Differential Revision: https://reviews.llvm.org/D52831 llvm-svn: 345019
===============================
lit - A Software Testing Tool
===============================
lit is a portable tool for executing LLVM and Clang style test suites,
summarizing their results, and providing indication of failures. lit is designed
to be a lightweight testing tool with as simple a user interface as possible.
=====================
Contributing to lit
=====================
Please browse the Test Suite > lit category in LLVM's Bugzilla for ideas on
what to work on.
Before submitting patches, run the test suite to ensure nothing has regressed:
# From within your LLVM source directory.
utils/lit/lit.py \
--path /path/to/your/llvm/build/bin \
utils/lit/tests
Note that lit's tests depend on 'not' and 'FileCheck', LLVM utilities.
You will need to have built LLVM tools in order to run lit's test suite
successfully.
You'll also want to confirm that lit continues to work when testing LLVM.
Follow the instructions in http://llvm.org/docs/TestingGuide.html to run the
regression test suite:
make check-llvm
And be sure to run the llvm-lit wrapper script as well:
/path/to/your/llvm/build/bin/llvm-lit utils/lit/tests
Finally, make sure lit works when installed via setuptools:
python utils/lit/setup.py install
lit --path /path/to/your/llvm/build/bin utils/lit/tests