[vtkusers] compiling VTK against CUDA 4.2

[Dženan Zukić]

Even if you did somehow succeed at building CMake using nvcc, it would make
no difference. What that error is saying is: nvcc cannot compile even a
simple C Hello World <http://en.wikipedia.org/wiki/Hello_world_program>.

I know that efficient interfacing between a scenegraph library and CUDA is not
simple <http://www.cg.informatik.uni-siegen.de/svt/osgcompute/>.

On Tue, Jul 31, 2012 at 3:18 AM, Cook, Rich <cook47 at llnl.gov> wrote:

> Hello
> I'm new to the list and apologize if this is obvious or seen before.  I
> Googled around a bit for the answer but cannot find it.
>
> My question seemed simple before I tried it.  How does one compile VTK in
> order to use CUDA? A user of mine requested this;  I'm not a VTK expert and
> am not sure specifically what she plans to do with the result.
>
> I see CUDA stuff like this in the source, making me think this should be
> possible and the question at least makes sense to ask:
>
> ../VTK/Graphics/vtkYoungsMaterialInterface.cxx:77204:#ifdef __CUDACC__
>
> So, I tried a naive approach:
>
> export CC=nvcc
> export CXX=nvcc
> export CPP=nvcc
>
> mkdir vtk-build
> cd vtk-build
> cmake ../VTK
>
> cmake fails as follows, making me think maybe I have to build CMake with
> nvcc as well?  That would be a bit ugly, but I just want to make sure I'm
> going down the right path.
> Any help is greatly appreciated.
>
> rcook at edge84 (vtk-build): cmake ../VTK/
> -- The C compiler identification is GNU
> -- The CXX compiler identification is GNU
> -- Check for working C compiler: /opt/cudatoolkit-4.2/bin/nvcc
> -- Check for working C compiler: /opt/cudatoolkit-4.2/bin/nvcc -- broken
> CMake Error at
> /collab/usr/global/tools/Kitware/CMake/2.8.7/chaos_5_x86_64_ib/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52
> (MESSAGE):
>   The C compiler "/opt/cudatoolkit-4.2/bin/nvcc" is not able to compile a
>   simple test program.
>
>   It fails with the following output:
>
>    Change Dir: /nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp
>
>
>
>   Run Build Command:/usr/bin/gmake "cmTryCompileExec/fast"
>
>   /usr/bin/gmake -f CMakeFiles/cmTryCompileExec.dir/build.make
>   CMakeFiles/cmTryCompileExec.dir/build
>
>   gmake[1]: Entering directory
>   `/nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp'
>
>   /collab/usr/global/tools/Kitware/CMake/2.8.7/chaos_5_x86_64_ib/bin/cmake
> -E
>   cmake_progress_report
>   /nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp/CMakeFiles 1
>
>   Building C object CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o
>   /opt/cudatoolkit-4.2/bin/nvcc -o
>   CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -c
>   /nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp/testCCompiler.c
>
>   Linking C executable cmTryCompileExec
>
>   /collab/usr/global/tools/Kitware/CMake/2.8.7/chaos_5_x86_64_ib/bin/cmake
> -E
>   cmake_link_script CMakeFiles/cmTryCompileExec.dir/link.txt --verbose=1
>
>   /opt/cudatoolkit-4.2/bin/nvcc
>   CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -o cmTryCompileExec
>   -rdynamic
>
>   nvcc fatal : Unknown option 'rdynamic'
>
>   gmake[1]: *** [cmTryCompileExec] Error 255
>
>   gmake[1]: Leaving directory
>   `/nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp'
>
>   gmake: *** [cmTryCompileExec/fast] Error 2
>
>
>
>
>
>   CMake will not be able to correctly generate this project.
> Call Stack (most recent call first):
>   CMakeLists.txt:15 (PROJECT)
>
>
>
> --
> ✐Richard Cook
> ✇ Lawrence Livermore National Laboratory
> Bldg-453 Rm-4024, Mail Stop L-557
> 7000 East Avenue,  Livermore, CA, 94550, USA
> ☎ (office) (925) 423-9605
> ☎ (fax) (925) 423-6961
> ---
> Information Management & Graphics Grp., Services & Development Div.,
> Integrated Computing & Communications Dept.
> (opinions expressed herein are mine and not those of LLNL)
>
>
>
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