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Subject: Re: [boost] [build] Tests automatically create header links, but library builds do not
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2015-01-05 11:51:05

On Mon, Jan 5, 2015 at 7:40 PM, Peter Dimov <lists_at_[hidden]> wrote:
> Andrey Semashev wrote:
>> My opinion is that any tool that intends to parse C++ should do it right,
>> Boost.Build included.
> The tools do parse it right.
> It is not possible for a dependency scanner to figure out what macros are
> defined to what, in general - the predefined macros differ across compilers
> and systems, as do the explicit -D arguments.
> But even if the tool could figure it out somehow, it should not.
> That's because the configuration where the dependency scanner is being run
> may not match the configuration in which the dependency information will be
> used.

That doesn't match my definition of "right". :) Because it yields
incorrect result with a valid C++ code. If it can't make a valid
result, better not parse C++ at all and declare a new protocol for
dependency definition.

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