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Re: Detect Autoconf run in preprocessor?

From: Bob Friesenhahn
Subject: Re: Detect Autoconf run in preprocessor?
Date: Fri, 15 Jul 2016 13:35:20 -0500 (CDT)
User-agent: Alpine 2.20 (GSO 67 2015-01-07)

On Fri, 15 Jul 2016, Jeffrey Walton wrote:

Is there a preprocessor macro defined by Autotools to detect when
software is being configured by the tool? My apologies for asking; I
cannot simply run `g++ -dM -E - </dev/null` because it will lack
Autoconf specific defines.

Everything that Autoconf defines should be visible in the generated config.log file. The source for each test case is included.

Bob Friesenhahn
GraphicsMagick Maintainer,

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