Fail to configure without an LLVM-friendly Python #2722
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This addresses issue rust-lang#2720. According to LLVM's documentation, it requires a version of Python between 2.4 and 2.7. Without the proper version, LLVM fails to build with cryptic errors. Prior to this commit, the configure script checked for the `python` command in the environment, but didn't actually check the version, which can cause problems e.g. on Linux distros where the default is Python 3. Now the configure script always prefers to select a more specific version of Python when available, in the order `python2.7` > `python2.6` > `python2` > `python`, and will always check to ensure that the interpreter's version is in the correct range.
brson
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Fail to configure without an LLVM-friendly Python
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celinval
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1. Build and run regression tests, and create a labelled PR (Z-BenchCI) when these pass. 2. File an issue instead of creating a PR when either of the checks fail.
tshepang
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Fix indent in rust code
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This addresses issue #2720. According to LLVM's documentation, it requires a
version of Python between 2.4 and 2.7. Without the proper version, LLVM fails
to build with cryptic errors. Prior to this commit, the configure script
checked for the
pythoncommand in the environment, but didn't actually checkthe version, which can cause problems e.g. on Linux distros where the default
is Python 3. Now the configure script always prefers to select a more specific
version of Python when available, in the order
python2.7>python2.6>python2>python, and will always check to ensure that the interpreter'sversion is in the correct range.