PyQwt with Qwt6?

Frank Schima macsforever2000 at
Tue Feb 12 09:22:54 PST 2013

On Feb 11, 2013, at 7:47 AM, Michael Dickens <michaelld at> wrote:

> This is mainly to the PyQwt maintainers (macsforever2000, erickt, and
> me), but also to any folks who know more about the PyQwt project.
> Right now, py-pyqwt (5.2.0_4) has a variant for +qwt6, which makes this
> port depend on "port:qwt-60" which I replaced by "port:qwt60" last
> night.  So, I'm working to fix up the py-pyqwt Portfile this morning.
> I tried to "install py27-pyqwt +qwt6", using qwt60 (6.0.2_0), but that
> failed due to some headers not being available (e.g., qwt_array.h);
> clearly qwt60 is API incompatible with qwt52 (and, they say this in
> their wiki, so it's not a surprise).  So, I poked around a bit to see
> about making PyQwt compatible with Qwt6, and I see from the PyQwt and
> Qwt email lists (e.g., <
> >), that
> PyQwt will likely not be upgraded to suppose Qwt6. Further, there seems
> to be no outside work towards making them work together.
> Hence, my question is did the +qwt6 variant of py-pyqwt ever really
> work?  It seems like it should never have been there, or maybe it did
> work in a RC of Qwt6?  Anyway, it no longer works for me and I cannot
> see how it would work for anyone.
> I'm moving towards removing the +qwt* variants from this port and
> instead relying solely on "path:lib/libqwt.5.dylib:qwt52".
> But, before I do this change I'd love to hear some anyone knowing more
> about the situation.  Thanks! - MLD

Sorry I did not have time to reply sooner. Removing the extra qwt variants is fine with me - I see that you did already. The qwt6 variant might never have worked. I no longer really use qwt and may remove myself as maintainer. Thanks for cleaning up these ports!


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