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Re: automake less verbose (iter 3)

From: Raja R Harinath
Subject: Re: automake less verbose (iter 3)
Date: Wed, 31 Dec 2008 06:41:18 +0530
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)


Jan Engelhardt <address@hidden> writes:

> On Monday 2008-12-22 21:36, Ralf Wildenhues wrote:
>>> >On Monday 2008-12-15 21:19, William Pursell wrote:
>>> >The make info pages mention that $? expands to “all the prerequisites
>>> >that are newer than the target”, and that sounds like there could be
>>> >more than just the .c file.
>>> >
>>> >I just noticed that LD should have used $^.
>>> Replying to myself - no it should not :p
>>> gmake's $^ is not supported by BSD make.
>>> And BSD make's $> is not supported by gmake.
>>>  ( :-/ )^2
>>And non-GNU make support $< only in inference rules and not elsewhere.
> In that case, removing V=1 again is probably the best solution.
> (Leaving only V=0 and V=infinity)

Not necessarily.  We could document that V=1 is supported, as in "expected to
generate clean output", only on GNU make.  On other makes, '$<' probably
expands to the empty string, causing only mildly strange looking output
otherwise equivalent to V=0.

- Hari

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