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AC_CHECK_FUNC with -Werror

From: Chris Frey
Subject: AC_CHECK_FUNC with -Werror
Date: Fri, 5 Jun 2009 04:11:57 -0400
User-agent: Mutt/1.4.1i


I'm noticing that if I use something like AC_CHECK_FUNC([strdup])
and then run configure like:

        CFLAGS="-Wall -Werror" ./configure

The test for strdup fails with the error:
        error: conflicting types for built-in function 'strdup'

when using gcc 4.3.2.

What is the recommended way to use both of these features (AC_CHECK_FUNC
and -Werror) at once?

- Chris

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