Arrows in UniIdraw

Hello,

I started to develop my own graphic editor with Unidraw. My small program
compiled and ran well. But I needed arrows. Unfortunately Unidraw cannot deal
with arrow, can it? Thus I used UniIdraw in order to have arrows: I added a few
#include:

  #include <UniIdraw/idarrows.h>
  #include <UniIdraw/idarrow.h>

and the lines

  ArrowLine *
    line = new ArrowLine (0, 0, unit, unit, false, false, 1., stdgraphic);
  ArrowLineComp *
    arrowLineComp = new ArrowLineComp (line);
  Include (new
	   GraphicCompTool (new
			    ControlInfo (arrowLineComp, KLBL_LINE, CODE_LINE),
			    arrowLineComp), tools);

in my source code.

Now, it compiles well but it terminates on a segmentation fault when it calls
the constructor for GraphicCompTool!

I compile, with Gun C++ 2.95.2 in Linux RedHat 6.2, this way:

c++ -Div2_6_compatible -g -c -I $PREFIX/include/IV-2_6 \
    -I $PREFIX/include diaged.c
 
c++ -Div2_6_compatible -g -c -I $PREFIX/include/IV-2_6 \
    -I $PREFIX/include main.c 
c++ -Div2_6_compatible -g -o diagram -L $PREFIX/lib -lUniIdraw \
    -lUnidraw -lIV -L /usr/X11R6/lib -lXext diaged.o main.o

Can anyone help me?

Manny thanks,

David.

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