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Re: [PATCH] depcomp: recognize tabs as whitespace in the dashmstdout mod

From: Peter Rosin
Subject: Re: [PATCH] depcomp: recognize tabs as whitespace in the dashmstdout mode
Date: Fri, 03 Feb 2012 19:52:06 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0) Gecko/20111222 Thunderbird/9.0.1

Stefano Lattarini skrev 2012-02-03 18:41:
> On 02/03/2012 03:51 PM, Peter Rosin wrote:
>>>> Maybe depmod.tap should be replaced/rewritten with "compilers" that
>>>> simulate the different depmods?  I could tinker with that a bit...
>>> Yeah, I had thought about the possibility of such an approach, but was
>>> reluctant to suggest it, since it would entail non-trivial work that
>>> can only offer brittle and unsure results anyway...  Maybe we should
>>> simply make it clear that 'decomp' only offers "best-effort" support
>>> for non-mainstream compilers (i.e., different from GCC >= 4.x and from
>>> recent Sun Studio or MSVC compilers); if problems show up, the user
>>> should just use "./configure --disable-dependency-tracking" (and maybe
>>> send us a patch if he's kind and motivated enough).
>> .oO(It would surely have caught a patch that massively destroyed depcomp)
> I'm failing to parse this, sorry.  Could you elaborate or rephrase?  Thanks.

Even if the simulators are "brittle" and offer "unsure results", I was
thinking - i.e. the .oO(...) notation - that such a test would have
caught when I totally destroyed depcomp.  I'm sure you agree that
having the dependency mode simulator tests wouldn't be bad, if they
just magically appeared and noone had to write it all.


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