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Re: Allow inspecting AC_PREPROC_IFELSE output in true branch.

From: Ralf Wildenhues
Subject: Re: Allow inspecting AC_PREPROC_IFELSE output in true branch.
Date: Tue, 20 Jul 2010 05:26:23 +0200
User-agent: Mutt/1.5.20 (2010-04-22)

* Eric Blake wrote on Tue, Jul 20, 2010 at 01:02:51AM CEST:
> On 07/19/2010 11:56 AM, Eric Blake wrote:
> > On 07/19/2010 11:43 AM, Ralf Wildenhues wrote:
> >> The AC_EGREP_CPP macro already allows to test preprocessor output, but
> >> this addition can be helpful if you want to answer two questions with
> >> only one run of the preprocessor.  Also, it is in line with
> >> AC_COMPILE_IFELSE and AC_LINK_IFELSE allowing inspection of output in
> >> the if-true branch.
> > 
> > I like it!  Please apply, after addressing one nit...
> Actually, more than one nit - I'm now seeing testsuite failures, such as:
> 260. testing AC_REQUIRE_CPP ...
> so we need to account for the existence of conftest.i in more tests.

Ouch, sorry about that.


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