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Re: config.h as dependency

From: Jason Sewall
Subject: Re: config.h as dependency
Date: Wed, 22 Apr 2009 08:28:08 -0400

Hi Ralf - I figured out my problem. See below; basically, I'm a numbskull.

On Wed, Apr 22, 2009 at 1:09 AM, Ralf Wildenhues <address@hidden> wrote:
> Here's a few reasons why this may not have worked as intended:
> - config.h wasn't even updated.  configure, more precisely
> config.status, updates the header lazily, that is, doesn't touch it if
> nothing changed.

I've specifically tested cases where it was updated (such as the
version changing), but see below

> - no suitable dependency tracking mode was found to work with your
> compiler (and make version).  Look at the configure output similar to
>  configure: checking dependency style of gcc ...

I'm using gcc 4.3.2 and GNU Make 3.8.1, however, see below

> If the result is "none", then you can try rerunning configure with
>  --enable-dependency-tracking
> added, then also "slow" dependency tracking mechanisms will be
> considered.  However, if you're using GCC and GNU make, then this should
> definitely not be necessary, and there could be a bug somewhere (and
> we'd like to know about it then).
> There can be a couple more subtle issues but let's see your feedback on
> this first.

I think my subtle problem was that wasn't including config.h in the
source files I was using. Sorry, that was stupid...

Thanks for your help anyway!


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