[Qt-interest] Reason for separate INCLUDEPATH and DEPENDPATH in qmake

[Jeffery MacEachern]

On Mon, Sep 13, 2010 at 08:37, Atlant Schmidt <aschmidt at dekaresearch.com> wrote:
> Jan:
>
>  There's an answer in Reply #4 at the end of this thread:
>
>    http://lists.trolltech.com/qt-interest/2006-03/thread00323-0.html
>
>
>  Also, perhaps DEPENDPATH may sometime be a *SUPERSET*
>  of INCLUDEPATH if you other, non-header-file dependencies?

That would seem to check out with my empirical experience, but I
didn't have much of a clue myself before reading that mailing list
thread.  Thanks for the link, Atlant!

 - Jeffery MacEachern

>                           Atlant
>
> -----Original Message-----
> From: qt-interest-bounces at trolltech.com [mailto:qt-interest-bounces at trolltech.com] On Behalf Of Jan Kundrát
> Sent: Monday, September 13, 2010 11:25
> To: qt-interest at trolltech.com
> Subject: [Qt-interest] Reason for separate INCLUDEPATH and DEPENDPATH in qmake
>
> Hi,
> I just got bitten by a .pro file which did not include all of the
> INCLUDEPATH directories in the DEPENDPATH.
>
> I changed the signature of a constructor of one class (last parameter
> got removed) and expected the compiler to spit out and error on all
> places which were actually calling said constructor. Unfortunately, one
> place got undetected, the generated object files even passed through the
> linker and I got a nasty segfault at runtime (Gentoo Linux x86, not
> using --as-needed linking or qnything special).
>
> So, now I wonder if there is any real use case for having INCLUDEPATH
> and DEPENDPATH with different values -- perhaps QMake could somehow warn
> if they do not match? Or am I missing something obvious here?
>
> With kind regards,
> Jan
>
> --
> cd /local/pub && more beer > /dev/mouth
>
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