Re: [Plplot-devel] CMake-3.5.x works flawlessly on Linux so far

[Arjen M. <Arj...@de...>]

Hi Alan,



> -----Original Message-----
> From: Alan W. Irwin [mailto:ir...@be...]
> Sent: Monday, February 15, 2016 12:00 PM
> Hi Arjen:
>
> So there are really two mysteries here: (1) how did your fix (no symbols visible in
> libplplottcltk) not cause a bad linking issue on Windows like it does on Linux, and (2)
> how can my similar fix (the plplotLibDir symbol not visible in libplplottcltk) not work
> on Windows? Oh well, humbled again.  :-)

I think the problem is that we are dealing with two different concepts: visibility under Linux and items that are to be imported/exported under Windows. Exporting an item (function or data) from a DLL under Windows is a bit similar to visibility under Linux, but importing is something that needs to be done explicitly under Windows - at least when data are concerned. That does not make it easier to solve the issue of course, sigh.

>
> There is no use spoiling your holiday trying to finish too much just beforehand so I
> suggest you ignore this issue and the remaining Tcl example issues until after your
> holiday is done.
>
> In any case it is also going to take me a while to finish up implementing real Fortran
> callbacks for plcont, plshade, plshades, plimage and plvect. I know how to do that
> with a lot of nearly duplicated single and double precision code in plplot.f90, but I
> dislike that messy and error-prone style so I am trying to figure out how to
> implement it instead with half the code in included_plplot_real_interfaces.f90.
> Actually, plmap, plmapline, plmapfill, etc., have the same near-duplicate messy
> code style issues so I am trying to figure out how to fix those issues first before I
> tackle implementing real fortran callbacks for plcont, plshade, plshades, plimage
> and plvect.
>
That is clear - after my holiday I should be able to spare some time again to see if we can find a solution together, if that will still be necessary by then.

Regards,

Arjen

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