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Michal Gorny ed09d35198 [llvm] [lit/tests] Replace 'env -u' with more portable construct Set environment variables to empty values rather than attempting to unset them via 'env -u', in order to fix NetBSD test regression caused by r366980. POSIX does not guarantee that env(1) supports '-u' option, and indeed NetBSD env(1) does not support it. Differential Revision: https://reviews.llvm.org/D65335 llvm-svn: 367123		2019-07-26 15:39:05 +00:00
..
examples
lit	[AIX][lit] Don't depend on psutil on AIX	2019-07-24 15:04:27 +00:00
tests	[llvm] [lit/tests] Replace 'env -u' with more portable construct	2019-07-26 15:39:05 +00:00
utils
CMakeLists.txt
lit.py
MANIFEST.in
README.txt
setup.py	Adjust documentation for git migration.	2019-01-29 16:37:27 +00:00

README.txt

===============================
 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