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Re: Warn: non-POSIX variable name

From: Steven Woody
Subject: Re: Warn: non-POSIX variable name
Date: Thu, 21 Aug 2008 14:11:30 +0800


On Thu, Aug 21, 2008 at 1:42 PM, Ralf Wildenhues <address@hidden> wrote:
> * Peter Johansson wrote on Wed, Aug 20, 2008 at 05:23:10AM CEST:
>> Steven Woody wrote:
>>> 2. What's the difference between @varname@ and $(varname) in a
>>> I noted you use many @xxxx@
>> I think the difference is that for example @builddir@ is substituted to
>> '.' when the Makefile is created from, so for instance:
> [...]
> Correct.
>> but since $(builddir) is set to `.', I dont think it matters if having
>> @xxx@ or $(xxx) in this case.
> It doesn't matter for the contents of this rule, as 'make' sees it.
> However, in general, @substitutions@ cannot be interpreted by automake,
> while $(macros) typically can.  Most of the time you want automake to
> see as much of it as possible, so as a guide line, prefer $(macros) in
> Cheers,
> Ralf

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