[issue4931] distutils does not show any error msg when can't build C module extensions due to a missing C compiler

[Roundup Robot]

Roundup Robot added the comment:

New changeset a865f6fb82b4 by Éric Araujo in branch '2.7':
Avoid “error: None” messages from distutils (#4931).
http://hg.python.org/cpython/rev/a865f6fb82b4

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nosy: +python-dev

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