Re: [Plplot-devel] tkwin.c is now split and I have also reorganized the linking on Linux

[Vince D. <vi...@sa...>]

I think this is the right way to go --- makes sense both logically, and
'symbol-link-ably', at least to me.

thanks for investigating and carrying out all this tricky work.

-- Vince

<http://www.santafe.edu/~vince>


On Mon, 29 Jul 2002, Alan W. Irwin wrote:

> On Mon, 29 Jul 2002, Vince Darley wrote:
> 
> > >>
> > A separate tkwin_common.c is necessary because both plplotter.c and (the
> > new)
> > tkwin.c depend on the functions defined in there.
> > >>
> >
> > I have to say, I find this crazy!  It is not possible to use plplotter.c
> > without tkwin.c and not possible to use tkwin.c without plplotter.c so,
> > please, put them in the same .so!
> 
> OK. A quick visual check of the source codes seemed to indicate moving
> Plplotter_Init.o, plplotter.o tkwin_common.o from libplplottcltk to
> drivers/tkwind_drv.so would work since nothing else in libplplottcltk seems
> to depend on anything in those functions.
> 
> IMPORTANT *all* these functions have to be moved since Plplotter_Init.o
> depends on plplotter, and if you leave it behind you create a
> cross-dependency and this affects the wish recipe, see below.
> 
> Indeed when I tried that locally the -dev tkwin worked fine, i.e., gave its
> usual message without any linking troubles at all.
> 
> Same for plserver.  runAllDemos.tcl worked fine.
> 
> But now the wish recipe we had before doesn't work...
> 
> wish
> % source pldefaults.tcl
> % load libplplottcltkd.so Plplotter
> couldn't find procedure Plplotter_Init
> 
> Obviously it is looking for  Plplotter_Init inside
> libplplottcltkd.so and cannot find it since that has been moved
> to tkwind_drv.so.
> 
> So now the new wish recipe from plplot/tmp should be
> 
> source pldefaults.tcl
> load drivers/tkwind_drv.so Plplotter
> package provide Plplotter 5.1.0
> source runAllDemos.tcl
> 
> which works fine and makes sense under the hierarchical linking rules that
> are now in place since tkwin depends on and links to libplplottcltk.
> However, attempting to find tkwind_drv at its install location of
> $prefix/lib/plplot5.1.0/drivers/tkwind_drv.so will cause some trouble.  For
> example, you will probably have to specify the complete path name to get it.
> Ultimately, this could be solved with a symlink.
> 
> Vince, if this is the way you want to go (reuniting tkwin_common with tkwin
> and moving Plplotter_Init.o and plplotter.o from libplplottcltk to
> drivers/tkwind_drv.so while accepting the wish recipe changes that result)
> that is fine with me, but I need direct confirmation from you before I go to
> the additional configuration work to make this the permanent solution.
> 
> Alan
> 
>