Try searching for "Inventor" in your filesystem, if you get more than one under /usr, you should only keep one and remove the others.
See if it works for you and let me know.

Vincent

2011/4/8 Manuel Rodríguez <mrodriguez@robotnik.es>
Hi all,

I'm trying to install GraspIt! in Ubuntu 10.10 but I'm getting an error with one step. I have followed the installation instructions from the manual and I get installed "all" correctly, but when I try to do the GraspIt! installation:

qmake graspit.pro
WARNING: /home/robotnik/Graspit/graspit-core.pro:99: Unescaped backslashes are deprecated.

After that, when I try to run make, I obtain this error:

~/Graspit$ make
g++ -c -pipe -g -Wall -W -D_REENTRANT -DGRASPIT_COLLISION -DQT_QT3SUPPORT_LIB -DQT3_SUPPORT -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/Qt3Support -I/usr/include/qt4 -I/usr/share/qt4/include -I/include -Iqhull -Isrc -Isrc/Collision -Iinclude -Iinclude/math -Iinclude/Planner -Iinclude/EGPlanner -Iui -Iui/Planner -Iui/EGPlanner -Isrc/Collision/Graspit -Iui -Iui/Planner -Iui/EGPlanner -Itinyxml -I.moc -Iui -o .obj/arch.o src/arch.cpp
In file included from src/arch.cpp:38:
include/ivmgr.h:38: fatal error: Inventor/Qt/viewers/SoQtExaminerViewer.h: Don't exists the file or directory
compilation terminated.
make: *** [.obj/arch.o] Error 1


I have followed all instalation steps from the manual (configures, makes, make install, add variables, etc), so I'm lost.



Has anyone knows what is my problem and how solve it?





Thanks very much for the help,
Regards
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