[libc++][patch] Fix a lit.cfg bug: the CMake build compiler is ignored

Sebastian Redl sebastian.redl at getdesigned.at
Mon Jul 29 13:05:03 PDT 2013

On 29.07.2013, at 21:58, Michael Gottesman wrote:

> Hey Sebastian.
> Your patch looks fine to me except that you should indent in the inferring section so it looks more like this:
> if cxx_under_test is None:
>     cxx_under_test = getattr(config, 'cxx_under_test', None)
> <-- Indent more in starting here
>  +if cxx_under_test is None:
>       # If no specific cxx_under_test was given, attempt to infer it as clang++.
>       clangxx = lit.util.which('clang++', config.environment['PATH'])
>       if clangxx is not None:
>           cxx_under_test = clangxx
>           lit.note("inferred cxx_under_test as: %r" % (cxx_under_test,))
> <-- And stopping here.
> Otherwise if cxx_under_test is initially not None, you are checking one more time that cxx_under_test is None than you need to.

That was intentional. I consider less indentation and the readability bonus from it more important than avoiding one redundant check.

Of course, if you want it the other way, I can easily change it.


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