Make Open Inventor compile on Mandrake 8.0

[Haykel Ben Jemia <haykel@xxxxxxxxxxxxxxx>]

Hi,

here are the changes I made to make OpenInventor 2.1.5-7 compile on
Mandrake 8.0 (and I think this will also work on many other
distributions):

* inventor/GNUmakefile: Change

LSUBDIRS = libimage tools libFL lib libSoXt doc data apps

to

LSUBDIRS = libimage tools
ifdef FREETYPE
LSUBDIRS += libFL
endif
LSUBDIRS += lib libSoXt doc data apps

* inventor/apps/converters/ivdowngrade/SoLODV2.c++: Add

#include <values.h>

* inventor/lib/database/src/sb/SbTime.c++: Add

#include <time.h>

(I didn't understand why this one is necessary, because it's included by
<sys/time.h> which is included by
"inventor/lib/database/include/Inventor/SbTime.h")???

* inventor/lib/database/src/so/actions/SoGLRenderAction.c++: Replace

#include <limits.h>

with

#include <values.h>


Cheers,
Haykel