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No detection of c99 compiler on AIX

From: Matthew Woehlke
Subject: No detection of c99 compiler on AIX
Date: Wed, 14 Feb 2007 11:52:42 -0600
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20061206 Thunderbird/ Mnenhy/

Paul Eggert wrote:
Matthew Woehlke writes:
any reason (other than SHTDI) that configure
does not figure out to use -qlanglvl=stdc99 on AIX?

My understanding is that 'configure' shouldn't try to use
-qlanglvl=stdc99, since that puts the compiler into a pedantic mode.
It should try -qlanglvl=extc99.  Doesn't it do that?  If not, can you
please investigate why not?  -qlanglvl=extc99 should be in

configure still botches the compiler. I finally got to tearing apart config.log; the reason appears to be because there is no stdbool.h on my system. Thoughts/suggestions? (Note that the compiler with only <stdio.h> does not understand 'bool', despite pages such as http://www-306.ibm.com/software/awdtools/vacpp/features/ claiming that it is supported.)

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