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From: David Abrahams (dave_at_[hidden])
Date: 2005-11-04 08:24:43

"John Maddock" <john_at_[hidden]> writes:

>>> Not wishing to point fingers but take a look at a file that caused me
>>> some bother: libs/python/src/converter/type_id.cpp. Tell me whether
>>> you
>>> consider the tests to be legal.
> Hmmm, well it may be a mistake I guess, the problem is cxxabi.h is not a
> standard lib header so it's not unreasonable to have assumed that it would
> be available even when using some other std lib. My guess is that it *is*
> available when using STLport or even the Dinkum lib with Intel C++ on linux
> (because those get tested). Is QNX doing something odd like suppressing the
> normal include paths when using the dinkum lib?
> Whatever if this is a QNX specific problem then:
> # if (defined(__GNUC__) && __GNUC__ >= 3) && \
> !(defined(__QNXNTO__) && !(defined(__GLIBCPP__) || defined(__GLIBCXX__)))
> Would do it. I realise this is full of double negatives, but it's too early
> to get my brain around the rearangement!

  !(x && y) <==> !x || !y
  !(x || y) <==> !x && !y

 # if (defined(__GNUC__) && __GNUC__ >= 3) && \
    (!defined(__QNXNTO__) || defined(__GLIBCPP__) || defined(__GLIBCXX__))

Though I'm not sure where you mean to apply this.

Dave Abrahams
Boost Consulting

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