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Open Geometry - Known Bugs
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In order to build Open Geometry on recent Linux distributions, you have to make some small changes to source code.

C/h.cpp:

Some Windows users reported problems with the EPS- or DXF-export from within Open Geometry (complaints about not beeing able to open chead.h. They seem to be due to a backslash problem. As an immediate remedy, you can change line 652 of C/h.cpp from

EpsDict = fopen( filename, "r" );
to something like
EpsDict = fopen( "C:\\Progams\\OG2.0\\DATA\\chead.h", "r" );
(adjust to the path to your Open Geometry installation). We will provide a bugfix in the near future.

mask.pov:

The file mask.pov (template file for using Open Geometry's Pov-Ray export) is missing on the distributed CD-ROM. We are sorry for the inconvenience. Please download mask.pov and save it to a newly created directory DATA/INC in the Open Geometry tree.

glut_window.h:

This bug concerns Linux users only. With the Mandrake 8.1 distribution we observe error messages like the following:

SYS/LINUX/glut_window.cpp:50: cannot convert `void () ()' to `void *' in assignment
The remedy is simple. Change line 49 of glut_window.h from
fCallbacks[glut_callback_display] = glut_window_display;
to
fCallbacks[glut_callback_display] = (void *) glut_window_display;
and proceed similar with the following lines (until line 60).

Make:

This bug concerns Linux users only. If you encounter error messages concerning files like gl.h or glext.h try to change line 26 in Makefile from

CFLAGS= -DIRIS -DUNIX -I. -IH -g -I/usr/X11R6/include -ISYS/LINUX
to
CFLAGS= -DIRIS -DUNIX -I. -IH -g -ISYS/LINUX -I/usr/X11R6/include
This ensures that SYS/LINUX/GL/gl.h is used instead of your system's gl.h.