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List:       autoconf
Subject:    Re: Caching compiler features?
From:       "David A. Wheeler" <dwheeler () dwheeler ! com>
Date:       2019-01-19 22:44:59
Message-ID: 18AFAC08-8825-4EBF-A474-652FFBAC0D5D () dwheeler ! com
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On January 19, 2019 4:44:59 PM EST, Andrew Pennebaker <andrew.pennebaker@gmail.com> \
wrote:
> I wonder if we could speed up builds by remembering the compiler
> features
> that autoconf checks.

It is certainly possible to cache the results. The challenge is in ensuring that the \
test is exactly the same. For example, different values of environment variables or \
flags can change test results.


--- David A.Wheeler

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