[Plplot-devel] trying to synchronize PyDVT with plplot repository

[Alessandro M. <mi...@es...>]

Hi , 

  as you probably know some time ago Alexandre Gobbo  developed
a visualisation toolkit called PyDVT that implements plplot.

The plplot version that we are using is 5.1.0 with small modifications.

I would like to try now to get PyDVT  working with 5.2.0 ( or eventually
CVS snapshots ).

Several ( in principle small ) problems should be solved. See the list
*** at the end.

But by now  I fail compiling plplot. 

  __ defining CPPFLAGS or LDFLAGS as environment variable breaks the
compilation of libltdl
          ( CPPFLAGS=-I.... is given as argument to libltdl configure
script )

  --  Double precision breaks the compilation of drivers : xwind.c is
required but only xwin
      is there

  -- I tried to modify makefile.am but then configure.in is missing. 


Is it possible to disactivate  libltdl( see the static library issue
below )?  


*** LIST of modifications

-- very small modifications, a part this one :

   two python modules are created : 
        ** pyqt_module.so 
        ** plplotmodule.so 

    that's because pyqt_module is used for displaying while plplotmodule 
    for printing, and such two different operations need different
settings( while plplot, if
      I remember well has a global pointer to a static structure 
       that cannot be duplicated to have different settings for
         different instances of the structure )  
 
   Such modules contains monolitically plplot lib ( we know how to trick
out configure script 
    to skip the test on shared library )


We don't want to force you to adopt this scheme, or switch to a more
object oriented 
architecture. By now for us would be enough to be able, given a
snapshot, to
create with minor efforts, pyqt_module.so and plplotmodule.so

Thank you very much for any help

      Alessandro Mirone