Hello Michael, I followed the steps suggested by you. Here is the result.<br><br><font style="font-family: courier new,monospace;" size="1">goron@schwarz:~/work/ransac/build$ rm -rf<br>goron@schwarz:~/work/ransac/build$ cmake -DCMAKE_BUILD_TYPE=debug ../<br>
-- Configuring done<br>-- Generating done<br>-- Build files have been written to: /home/goron/work/ransac/build<br>goron@schwarz:~/work/ransac/build$ make VERBOSE=1<br>/usr/bin/cmake -H/home/goron/work/ransac -B/home/goron/work/ransac/build --check-build-system CMakeFiles/Makefile.cmake 0<br>
/usr/bin/cmake -E cmake_progress_start /home/goron/work/ransac/build/CMakeFiles /home/goron/work/ransac/build/CMakeFiles/progress.marks<br>make -f CMakeFiles/Makefile2 all<br>make[1]: Entering directory `/home/goron/work/ransac/build&#39;<br>
make -f CMakeFiles/coloredElevationMap.dir/build.make CMakeFiles/coloredElevationMap.dir/depend<br>make[2]: Entering directory `/home/goron/work/ransac/build&#39;<br>cd /home/goron/work/ransac/build &amp;&amp; /usr/bin/cmake -E cmake_depends &quot;Unix Makefiles&quot; /home/goron/work/ransac /home/goron/work/ransac /home/goron/work/ransac/build /home/goron/work/ransac/build /home/goron/work/ransac/build/CMakeFiles/coloredElevationMap.dir/DependInfo.cmake --color=<br>
make[2]: Leaving directory `/home/goron/work/ransac/build&#39;<br>make -f CMakeFiles/coloredElevationMap.dir/build.make CMakeFiles/coloredElevationMap.dir/build<br>make[2]: Entering directory `/home/goron/work/ransac/build&#39;<br>
Linking CXX executable coloredElevationMap<br>/usr/bin/cmake -E cmake_link_script CMakeFiles/coloredElevationMap.dir/link.txt --verbose=1<br>/usr/bin/c++   -Wall -Wno-deprecated    CMakeFiles/coloredElevationMap.dir/coloredElevationMap.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/StringTokenizer.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/CommonANNRoutines.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/CommonVTKRoutines.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/CommonIORoutines.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/Common3DGeomRoutines.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/CommonTerminalRoutines.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/ANN-VTK.cc.o CMakeFiles/coloredElevationMap.dir/home/goron/work/common/VTKShapes.cc.o  -o coloredElevationMap -rdynamic -L/home/goron/VTK/VTK-build/bin -L../../common/levmar -L../../common/ann/lib -lvtkCommon -lvtkRendering -lvtkWidgets -lvtkHybrid -lvtkGraphics -lANN -llapack -llevmar -lvtkParallel -lvtkRendering -lvtkGraphics -lvtkverdict -lvtkImaging -lvtkftgl -lvtkfreetype -lQtGui -lpng -lSM -lICE -lXrender -lfreetype -lfontconfig -lXext -lX11 -lm -lQtSql -lQtCore -lz -lrt -ldl -lXt -lSM -lICE -lXrender -lfreetype -lfontconfig -lXext -lX11 -lm -lQtSql -lQtCore -lz -lrt -ldl -lXt -lvtkIO -lvtkFiltering -lvtkDICOMParser -lvtkmetaio -lvtksqlite -lvtkpng -lvtktiff -lvtkzlib -lvtkjpeg -lvtkexpat -lVPIC -lCosmo -lvtkCommon -lm -lpthread -lvtksys -ldl -lvtkexoIIc -lvtkNetCDF -lGL -Wl,-rpath,/home/goron/VTK/VTK-build/bin:../../common/levmar:../../common/ann/lib <br>
CMakeFiles/coloredElevationMap.dir/home/goron/work/common/CommonVTKRoutines.cc.o: In function `Create2xRenderWindowAndInteractorMovie(vtkRenderer*, vtkRenderer*, char const*, char const*, int, int, int)&#39;:<br>CommonVTKRoutines.cc:(.text+0xa720): undefined reference to `vtkFFMPEGWriter::New()&#39;<br>
CMakeFiles/coloredElevationMap.dir/home/goron/work/common/CommonVTKRoutines.cc.o: In function `Create4xRenderWindowAndInteractorMovie(vtkRenderer*, vtkRenderer*, vtkRenderer*, vtkRenderer*, char const*, char const*, int, int, int)&#39;:<br>
CommonVTKRoutines.cc:(.text+0xad84): undefined reference to `vtkFFMPEGWriter::New()&#39;<br>CMakeFiles/coloredElevationMap.dir/home/goron/work/common/CommonVTKRoutines.cc.o: In function `CreateRenderWindowAndInteractorMovie(vtkRenderer*, char const*, char const*, int, int, int)&#39;:<br>
CommonVTKRoutines.cc:(.text+0xb6e3): undefined reference to `vtkFFMPEGWriter::New()&#39;<br>collect2: ld returned 1 exit status<br>make[2]: *** [coloredElevationMap] Error 1<br>make[2]: Leaving directory `/home/goron/work/ransac/build&#39;<br>
make[1]: *** [CMakeFiles/coloredElevationMap.dir/all] Error 2<br>make[1]: Leaving directory `/home/goron/work/ransac/build&#39;<br>make: *** [all] Error 2<br>goron@schwarz:~/work/ransac/build$</font><br><br>But the issue seems to persist. <br>
I am leaning towards a straight linking problem as Hugh suggested in a previous post. <br><br>Thank you for your advice !<br><br>Cheers, <br><br>