Dear Mr. Schulz,
I appreciate your quick response. I am not familiar with computer language. I downloaded header and library files (https://github.com/KhronosGroup/OpenCL-ICD-Loader). Then I placed header files under /usr/local/CL, and a libray file as /home/moto/OpenCL-ICD-Loader/build/test/driver_stub/libOpenCLDriverStub.so.
Then I executed cmake under /home/moto/gromacs-2020.3/build as follows:
cmake … -DOpenCL_INCLUDE_DIR=/usr/local -DOpenCL_LIBRARY=/home/moto/OpenCL-ICD-Loader/build/test/driver_stub/libOpenCLDriverStub.so -DGMX_GPU=ON -DGMX_USE_OPENCL=ON -DGMX_OPENCL_NB_CLUSTER_SIZE=4 -DGMX_BUILD_OWN_FFTW=ON -DREGRESSIONTEST_DOWNLOAD=ON
It looked OK. But when I executed make, I got error messages as follows. Could you please let me know what went wrong?
Sincerely,
Moto
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clBuildProgram’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clEnqueueNDRangeKernel’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clSetKernelArg’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clReleaseMemObject’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clFinish’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetCommandQueueInfo’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clReleaseContext’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clReleaseEvent’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clEnqueueWriteBuffer’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clEnqueueReadBuffer’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clEnqueueBarrierWithWaitList’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clEnqueueFillBuffer’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetProgramBuildInfo’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clCreateContext’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetDeviceIDs’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetContextInfo’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetDeviceInfo’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clReleaseCommandQueue’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetPlatformIDs’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clWaitForEvents’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetEventProfilingInfo’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clCreateProgramWithBinary’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clCreateCommandQueue’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetKernelWorkGroupInfo’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clRetainEvent’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clRetainContext’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clReleaseProgram’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clFlush’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetProgramInfo’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clCreateKernel’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clCreateBuffer’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clCreateKernelsInProgram’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clCreateProgramWithSource’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clReleaseKernel’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clEnqueueMarkerWithWaitList’
…/…/lib/libgromacs.so.5.0.0: undefined reference to `clGetKernelInfo’
collect2: error: ld returned 1 exit status
share/template/CMakeFiles/template.dir/build.make:97: recipe for target ‘bin/template’ failed
make[2]: *** [bin/template] Error 1
CMakeFiles/Makefile2:2219: recipe for target ‘share/template/CMakeFiles/template.dir/all’ failed
make[1]: *** [share/template/CMakeFiles/template.dir/all] Error 2
Makefile:162: recipe for target ‘all’ failed
make: *** [all] Error 2