CGAL users discussion list

["Laurent Rineau (GeometryFactory)" <>]

Le mercredi 04 novembre 2009 03:09:19, 

 a écrit :
> Hi,there
> I got a problem.
> when i ran the example " mesh_a_3d_gray_image.cpp" in Surface_mesher, it
>  gave me error messages.See the log:
> 
> [root@localhost
>  examples]# cd Surface_mesher
> [root@localhost
>  Surface_mesher]# ls
> CMakeLists.txt        data  mesh_a_3d_gray_image.cpp  
mesh_an_implicit_function.cpp
> skip_vcproj_auto_generation
> [root@localhost
>  Surface_mesher]# cmake CMakeLists.txt
> -- The C compiler identification is GNU
> -- The CXX compiler identification is GNU
> -- Check for working C compiler: /usr/bin/gcc
> -- Check for working C compiler: /usr/bin/gcc -- works
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - done
> -- Check for working CXX compiler: /usr/bin/c++
> -- Check for working CXX compiler: /usr/bin/c++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Build type: Release
> -- USING CXXFLAGS = ' -frounding-math -O3 -DNDEBUG'
> -- USING EXEFLAGS = ' '
> -- Targetting Unix Makefiles
> -- Using /usr/bin/c++ compiler.
> -- Configuring done
> -- Generating done
> -- Build files have been written to:
>  /root/src/CGAL-3.5/examples/Surface_mesher
> 
> [root@localhost
>  Surface_mesher]# make
> Scanning dependencies of target mesh_a_3d_gray_image
> [ 50%] Building CXX object
> CMakeFiles/mesh_a_3d_gray_image.dir/mesh_a_3d_gray_image.o
> Linking CXX executable mesh_a_3d_gray_image
> [ 50%] Built target mesh_a_3d_gray_image
> Scanning dependencies of target mesh_an_implicit_function
> [100%] Building CXX object
> CMakeFiles/mesh_an_implicit_function.dir/mesh_an_implicit_function.o
> Linking CXX executable mesh_an_implicit_function
> [100%] Built target mesh_an_implicit_function
> [root@localhost
>  Surface_mesher]# ls
> CMakeCache.txt        cmake_install.cmake  data      mesh_a_3d_gray_image
> mesh_an_implicit_function      skip_vcproj_auto_generation
> CMakeFiles    CMakeLists.txt       Makefile  mesh_a_3d_gray_image.cpp
> mesh_an_implicit_function.cpp
> 
> [root@localhost
>  Surface_mesher]# ./mesh_a_3d_gray_image
> ./mesh_a_3d_gray_image: symbol lookup error:
> /usr/local/lib/libCGAL_ImageIO.so.4: undefined symbol:
> 
> the file "/usr/local/lib/libCGAL_ImageIO.so.4" is existing in that
>  location.

Which version of CGAL? Which version of CMake?

-- 
Laurent Rineau, PhD
Release Manager of the CGAL Project
http://www.cgal.org/
R&D Engineer at GeometryFactory
http://www.geometryfactory.com/