[CMake] FindCUDA fails to find libcuda.so
Robert Maynard
robert.maynard at kitware.com
Wed May 1 11:16:07 EDT 2013
Thank you.
On Wed, May 1, 2013 at 11:09 AM, Marcel Loose <loose at astron.nl> wrote:
> Hi Robert,
>
> I created an issue for this in Mantis: http://public.kitware.com/Bug/**
> view.php?id=14122 <http://public.kitware.com/Bug/view.php?id=14122>
>
> Best regards,
> Marcel Loose.
>
>
> On 01/05/13 15:09, Robert Maynard wrote:
>
>> It looks like you used the ubuntu cuda package which installs the cuda
>> library to a directory that FindCUDA wasn't expecting. I think we can
>> extend FindCUDA to also use x86_64-linux-gnu as a valid directory to
>> search for libcuda.
>>
>> can you submit a bug on mantis for this, so it doesn't get forgotten?
>>
>> On Tue, Apr 30, 2013 at 4:37 PM, Marcel Loose <marcel.loose at zonnet.nl>
>> wrote:
>>
>>> Here are the results on my Ubuntu 12.10 system:
>>>
>>> $ cmake --debug-output ..
>>> Running with debug output on.
>>> -- The C compiler identification is GNU 4.7.2
>>> Called from: [2]
>>> /usr/share/cmake-2.8/Modules/**CMakeDetermineCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- The CXX compiler identification is GNU 4.7.2
>>> Called from: [2]
>>> /usr/share/cmake-2.8/Modules/**CMakeDetermineCXXCompiler.**cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working C compiler: /usr/bin/gcc
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working C compiler: /usr/bin/gcc -- works
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting C compiler ABI info
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting C compiler ABI info - done
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working CXX compiler: /usr/bin/c++
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working CXX compiler: /usr/bin/c++ -- works
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting CXX compiler ABI info
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting CXX compiler ABI info - done
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- Found CUDA: /usr (found version "4.2")
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**FindCUDA.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- CUDA_LIBRARIES = /usr/lib/x86_64-linux-gnu/**libcudart.so
>>> Called from: [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- Configuring done
>>> -- Generating /home/marcel/temp/cmake/cuda/**build
>>> -- Generating done
>>> -- Build files have been written to: /home/marcel/temp/cmake/cuda/**
>>> build
>>>
>>> And here's the output when setting CUDA_LIB_PATH:
>>>
>>> $ CUDA_LIB_PATH=/usr/lib/nvidia-**current cmake --debug-output ..
>>> Running with debug output on.
>>> -- The C compiler identification is GNU 4.7.2
>>> Called from: [2]
>>> /usr/share/cmake-2.8/Modules/**CMakeDetermineCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- The CXX compiler identification is GNU 4.7.2
>>> Called from: [2]
>>> /usr/share/cmake-2.8/Modules/**CMakeDetermineCXXCompiler.**cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working C compiler: /usr/bin/gcc
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working C compiler: /usr/bin/gcc -- works
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting C compiler ABI info
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting C compiler ABI info - done
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working CXX compiler: /usr/bin/c++
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Check for working CXX compiler: /usr/bin/c++ -- works
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting CXX compiler ABI info
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>>
>>> -- Detecting CXX compiler ABI info - done
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**
>>> CMakeTestCXXCompiler.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- Found CUDA: /usr (found version "4.2")
>>> Called from: [2] /usr/share/cmake-2.8/Modules/**FindCUDA.cmake
>>> [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- CUDA_LIBRARIES =
>>> /usr/lib/x86_64-linux-gnu/**libcudart.so;/usr/lib/nvidia-**
>>> current/libcuda.so
>>> Called from: [1] /home/marcel/temp/cmake/cuda/**CMakeLists.txt
>>> -- Configuring done
>>> -- Generating /home/marcel/temp/cmake/cuda/**build
>>> -- Generating done
>>> -- Build files have been written to: /home/marcel/temp/cmake/cuda/**
>>> build
>>>
>>> Best regards,
>>> Marcel Loose.
>>>
>>> Op 29-04-13 18:04, Robert Maynard schreef:
>>>
>>> I have had no problem with Ubuntu 12.10 and Cuda 5; findCuda is able
>>>> to find cuda in /usr/lib. Can you run CMake --debug-output output
>>>> enable and see where findCuda is searching?
>>>>
>>>> On Mon, Apr 29, 2013 at 11:52 AM, Marcel Loose <loose at astron.nl> wrote:
>>>>
>>>>> Hi Robert,
>>>>>
>>>>> I agree that on the CentOS machine the install paths are non-standard.
>>>>> For
>>>>> the Ubuntu system, on the other hand, I have to disagree with that
>>>>> statement. It is a *standard* Ubuntu 12.10 system, so IMHO
>>>>> FindCUDA.cmake
>>>>> should be able to locate libcuda.so on that system.
>>>>>
>>>>> Regards,
>>>>> Marcel Loose.
>>>>>
>>>>>
>>>>> On 29/04/13 16:54, Robert Maynard wrote:
>>>>>
>>>>>> You have a nonstandard install path that will require you to use
>>>>>> CUDA_PATH / CUDA_BIN_PATH and CUDA_LIB_PATH.
>>>>>>
>>>>>> On Mon, Apr 29, 2013 at 10:10 AM, Marcel Loose <loose at astron.nl>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> It fails to find CUDA 5.0. See below.
>>>>>>>
>>>>>>> $ env | grep CUDA
>>>>>>> CUDA_PATH=/cm/shared/apps/**cuda50/toolkit/5.0.35
>>>>>>> CUDA_INC_PATH=/cm/shared/apps/**cuda50/toolkit/5.0.35
>>>>>>> CUDA_SDK=/cm/shared/apps/**cuda50/sdk/5.0.35
>>>>>>> CUDA_CACHE_DISABLE=1
>>>>>>> CUDA_INSTALL_PATH=/cm/shared/**apps/cuda50/toolkit/5.0.35
>>>>>>> CUDA_ROOT=/cm/local/apps/**cuda50/libs/304.54
>>>>>>>
>>>>>>> $ cat ../CMakeLists.txt
>>>>>>> cmake_minimum_required(VERSION 2.8)
>>>>>>> project(CheckCUDALibs)
>>>>>>> find_package(CUDA)
>>>>>>> message(STATUS "CUDA_LIBRARIES = ${CUDA_LIBRARIES}")
>>>>>>>
>>>>>>> $ cmake ..
>>>>>>> -- 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
>>>>>>> -- Found CUDA: /cm/shared/apps/cuda50/**toolkit/5.0.35 (found
>>>>>>> version
>>>>>>> "5.0")
>>>>>>> -- CUDA_LIBRARIES =
>>>>>>> /cm/shared/apps/cuda50/**toolkit/5.0.35/lib64/**libcudart.so
>>>>>>> -- Configuring done
>>>>>>> -- Generating done
>>>>>>> -- Build files have been written to: /home/loose/temp/cmake/cuda/**
>>>>>>> build
>>>>>>>
>>>>>>> $ CUDA_LIB_PATH=$CUDA_ROOT/lib cmake ..
>>>>>>> -- CUDA_LIBRARIES =
>>>>>>>
>>>>>>>
>>>>>>> /cm/shared/apps/cuda50/**toolkit/5.0.35/lib64/**
>>>>>>> libcudart.so;/cm/local/apps/**cuda50/libs/304.54/lib64/**libcuda.so
>>>>>>> -- Configuring done
>>>>>>> -- Generating done
>>>>>>> -- Build files have been written to: /home/loose/temp/cmake/cuda/**
>>>>>>> build
>>>>>>>
>>>>>>> Only when explicitly setting CUDA_LIB_PATH, libcuda.so is found.
>>>>>>>
>>>>>>> BTW: On Ubuntu I also need to set CUDA_LIB_PATH, but then to
>>>>>>> /usr/lib/nvidia-current.
>>>>>>>
>>>>>>> Regards,
>>>>>>> Marcel Loose.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On 29/04/13 15:36, Robert Maynard wrote:
>>>>>>>
>>>>>>>> Can you provide what Cuda version FindCuda is failing to find, and
>>>>>>>> where Cluster Manager is installing the CUDA toolkit and library?
>>>>>>>>
>>>>>>>> On Mon, Apr 29, 2013 at 7:38 AM, Marcel Loose <loose at astron.nl>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hi all,
>>>>>>>>>
>>>>>>>>> I noticed that FindCUDA.cmake fails to locate libcuda.so on at
>>>>>>>>> least
>>>>>>>>> two
>>>>>>>>> different platforms: Ubuntu 12.10 and CentOS 6.3 using Cluster
>>>>>>>>> Manager
>>>>>>>>> v5.2.
>>>>>>>>> I can persuade FindCUDA.cmake to search for this library by
>>>>>>>>> explicitly
>>>>>>>>> setting the environment variable CUDA_LIB_PATH, and then it finds
>>>>>>>>> it.
>>>>>>>>> However, IMHO, using this trick should only be necessary as a last
>>>>>>>>> resort.
>>>>>>>>> Is this a bug?
>>>>>>>>>
>>>>>>>>> Best regards,
>>>>>>>>> Marcel Loose.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>>
>>>>>>>>> Powered by www.kitware.com
>>>>>>>>>
>>>>>>>>> Visit other Kitware open-source projects at
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>>>>>>>>>
>>>>>>>>> Please keep messages on-topic and check the CMake FAQ at:
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>>>>>>>>>
>>>>>>>>
>>>>>>>
>
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