Definitely useful too.  But beware make's two-phase execution model and
the differences between the different makevar flavours :-)

On Fri, 2009-07-03 at 14:16 -0400, Max Feil wrote:
> I also like to use the $(warning ...) and $(error ...) functions as
> print statements for debugging makefiles. 
> 
> -----Original Message-----
> From: Neil Schellenberger [mailto:community-noreply@qnx.com] 
> Sent: Friday, July 03, 2009 1:30 PM
> To: general-toolchain
> Subject: Re: /Temp/make31129.sh[1]: syntax error: `(' unexpected
> 
> Debugging makefiles is notoriously difficult.  You're pretty much stuck
> with the "-p" and "-d" flags and your own ingenuity.
> 
> The specific error your seeing is sometimes the result of forgetting to
> double a dollar sign in a shell script fragment, but there are plenty of
> other possibilities as well.
> 
> 
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> General
> http://community.qnx.com/sf/go/post33074
> 
> 
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> General
> http://community.qnx.com/sf/go/post33089
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