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Lack of clarity in description of AC_CHECK_DECL(S)

From: Reuben Thomas
Subject: Lack of clarity in description of AC_CHECK_DECL(S)
Date: Mon, 21 Jan 2008 17:00:29 +0000 (GMT)
User-agent: Alpine 1.00 (DEB 882 2007-12-20)

In the autoconf 2.61 info manual, the syntax of AC_CHECK_DECL is given as:

          [ACTION-IF-NOT-FOUND], [INCLUDES = `default-includes'])

Only by searching for an example of its use did I discover that the INCLUDES argument is actually some #include lines, and not, as I first thought, the text:

INCLUDES = list-of-include files

This rather odd meta-syntax confused me (the default values for ACTION-IF-FOUND &c. are not given, and the default for INCLUDES is explained below anyway.

I would suggest removing "= `default-includes'" from the syntax description, and adding a note to the effect that it is a list of #include directives.

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