[CUDA clang compiler] Automatic tests failed for clang compiler
Hi, I'm testing the new feature allowing clang as CUDA compiler using cmake version 3.17.20200602-g961ca77 from gitlab master branch.
The cuda compiler automatic tests fails with the followings.
CMakeLists.txt
cmake_minimum_required(VERSION 3.17...3.18)
# export CC=/usr/bin/clang
# export CXX=/usr/bin/clang++
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_C_COMPILER "clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
# Include CUDA
find_package(CUDA REQUIRED)
set(CMAKE_CUDA_COMPILER "clang")
set(CMAKE_CUDA_ARCHITECTURES "75")
set(CMAKE_CUDA_STANDARD "17")
# set(CMAKE_CUDA_COMPILER_FORCED "true") commented it out this allow the CMake Makefile generation correctly (but the compilation fails)
enable_language(CUDA)
# ...
# several cuda_add_executable(...) and target_link_libraries(...)CMake output
-- The C compiler identification is Clang 8.0.0
-- The CXX compiler identification is Clang 8.0.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Found CUDA: /usr/local/cuda (found suitable exact version "10.2")
-- Found OpenCV: /usr/local (found version "4.2.0")
-- Found CUDA: /usr/local/cuda (found version "10.2")
-- The CUDA compiler identification is unknown
-- Detecting CUDA compiler ABI info
-- Detecting CUDA compiler ABI info - failed
-- Check for working CUDA compiler: /usr/bin/clang
-- Check for working CUDA compiler: /usr/bin/clang - broken
CMake Error at /usr/local/share/cmake-3.17/Modules/CMakeTestCUDACompiler.cmake:52 (message):
The CUDA compiler
"/usr/bin/clang"
is not able to compile a simple test program.
It fails with the following output:
Change Dir: /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/make cmTC_e7f6b/fast && /usr/bin/make -f CMakeFiles/cmTC_e7f6b.dir/build.make CMakeFiles/cmTC_e7f6b.dir/build
make[1]: Entering directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Building CUDA object CMakeFiles/cmTC_e7f6b.dir/main.cu.o
/usr/bin/clang -c /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp/main.cu -o CMakeFiles/cmTC_e7f6b.dir/main.cu.o
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
CMakeFiles/cmTC_e7f6b.dir/build.make:85: recipe for target 'CMakeFiles/cmTC_e7f6b.dir/main.cu.o' failed
make[1]: *** [CMakeFiles/cmTC_e7f6b.dir/main.cu.o] Error 1
make[1]: Leaving directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Makefile:141: recipe for target 'cmTC_e7f6b/fast' failed
make: *** [cmTC_e7f6b/fast] Error 2
CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt:28 (enable_language)
-- Configuring incomplete, errors occurred!CMakeError.log
Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/make cmTC_2c3d2/fast && /usr/bin/make -f CMakeFiles/cmTC_2c3d2.dir/build.make CMakeFiles/cmTC_2c3d2.dir/build
make[1]: Entering directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_2c3d2.dir/src.c.o
/usr/bin/clang -fPIC -DCMAKE_HAVE_LIBC_PTHREAD -o CMakeFiles/cmTC_2c3d2.dir/src.c.o -c /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_2c3d2
/usr/local/bin/cmake -E cmake_link_script CMakeFiles/cmTC_2c3d2.dir/link.txt --verbose=1
/usr/bin/clang -fPIC -DCMAKE_HAVE_LIBC_PTHREAD CMakeFiles/cmTC_2c3d2.dir/src.c.o -o cmTC_2c3d2
CMakeFiles/cmTC_2c3d2.dir/src.c.o: In function `main':
src.c:(.text+0x32): undefined reference to `pthread_create'
src.c:(.text+0x3e): undefined reference to `pthread_detach'
src.c:(.text+0x4a): undefined reference to `pthread_cancel'
src.c:(.text+0x5c): undefined reference to `pthread_join'
src.c:(.text+0x73): undefined reference to `pthread_atfork'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
CMakeFiles/cmTC_2c3d2.dir/build.make:106: recipe for target 'cmTC_2c3d2' failed
make[1]: *** [cmTC_2c3d2] Error 1
make[1]: Leaving directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Makefile:141: recipe for target 'cmTC_2c3d2/fast' failed
make: *** [cmTC_2c3d2/fast] Error 2
Source file was:
#include <pthread.h>
void* test_func(void* data)
{
return data;
}
int main(void)
{
pthread_t thread;
pthread_create(&thread, NULL, test_func, NULL);
pthread_detach(thread);
pthread_cancel(thread);
pthread_join(thread, NULL);
pthread_atfork(NULL, NULL, NULL);
pthread_exit(NULL);
return 0;
}
Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/make cmTC_86a2c/fast && /usr/bin/make -f CMakeFiles/cmTC_86a2c.dir/build.make CMakeFiles/cmTC_86a2c.dir/build
make[1]: Entering directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_86a2c.dir/CheckFunctionExists.c.o
/usr/bin/clang -fPIC -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_86a2c.dir/CheckFunctionExists.c.o -c /usr/local/share/cmake-3.17/Modules/CheckFunctionExists.c
Linking C executable cmTC_86a2c
/usr/local/bin/cmake -E cmake_link_script CMakeFiles/cmTC_86a2c.dir/link.txt --verbose=1
/usr/bin/clang -fPIC -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTC_86a2c.dir/CheckFunctionExists.c.o -o cmTC_86a2c -lpthreads
/usr/bin/ld: cannot find -lpthreads
clang: error: linker command failed with exit code 1 (use -v to see invocation)
CMakeFiles/cmTC_86a2c.dir/build.make:106: recipe for target 'cmTC_86a2c' failed
make[1]: *** [cmTC_86a2c] Error 1
make[1]: Leaving directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Makefile:141: recipe for target 'cmTC_86a2c/fast' failed
make: *** [cmTC_86a2c/fast] Error 2
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_75 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_75. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --keep;--keep-dir;tmp;-gencode=arch=compute_75,code=sm_75 -v
The output was:
1
clang: error: unsupported option '--keep'
clang: error: unsupported option '--keep-dir'
clang: error: unknown argument: '-gencode=arch=compute_75,code=sm_75'
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --keep;--keep-dir;tmp -v
The output was:
1
clang: error: unsupported option '--keep'
clang: error: unsupported option '--keep-dir'
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_20 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_30 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_30. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_52 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_52. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_75 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_75. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --keep;--keep-dir;tmp;-gencode=arch=compute_75,code=sm_75 -v
The output was:
1
clang: error: unsupported option '--keep'
clang: error: unsupported option '--keep-dir'
clang: error: unknown argument: '-gencode=arch=compute_75,code=sm_75'
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --keep;--keep-dir;tmp -v
The output was:
1
clang: error: unsupported option '--keep'
clang: error: unsupported option '--keep-dir'
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_20 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_30 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_30. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: --cuda-gpu-arch=sm_52 -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_52. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Compiling the CUDA compiler identification source file "CMakeCUDACompilerId.cu" failed.
Compiler: /usr/bin/clang
Build flags:
Id flags: -v
The output was:
1
clang version 8.0.0-3~ubuntu18.04.2 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /usr/local/cuda-10.2, version unknown
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
Checking whether the CUDA compiler is NVIDIA using "" did not match "nvcc: NVIDIA \(R\) Cuda compiler driver":
clang: error: no input files
Checking whether the CUDA compiler is Clang using "" did not match "(clang version)":
clang: error: no input files
Checking whether the CUDA compiler is NVIDIA using "" did not match "nvcc: NVIDIA \(R\) Cuda compiler driver":
clang: error: no input files
Checking whether the CUDA compiler is Clang using "" did not match "(clang version)":
clang: error: no input files
Detecting CUDA compiler ABI info failed to compile with the following output:
Change Dir: /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/make cmTC_4a013/fast && /usr/bin/make -f CMakeFiles/cmTC_4a013.dir/build.make CMakeFiles/cmTC_4a013.dir/build
make[1]: Entering directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Building CUDA object CMakeFiles/cmTC_4a013.dir/CMakeCUDACompilerABI.cu.o
/usr/bin/clang -c /usr/local/share/cmake-3.17/Modules/CMakeCUDACompilerABI.cu -o CMakeFiles/cmTC_4a013.dir/CMakeCUDACompilerABI.cu.o
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
CMakeFiles/cmTC_4a013.dir/build.make:85: recipe for target 'CMakeFiles/cmTC_4a013.dir/CMakeCUDACompilerABI.cu.o' failed
make[1]: *** [CMakeFiles/cmTC_4a013.dir/CMakeCUDACompilerABI.cu.o] Error 1
make[1]: Leaving directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Makefile:141: recipe for target 'cmTC_4a013/fast' failed
make: *** [cmTC_4a013/fast] Error 2
Determining if the CUDA compiler works failed with the following output:
Change Dir: /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/make cmTC_e7f6b/fast && /usr/bin/make -f CMakeFiles/cmTC_e7f6b.dir/build.make CMakeFiles/cmTC_e7f6b.dir/build
make[1]: Entering directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Building CUDA object CMakeFiles/cmTC_e7f6b.dir/main.cu.o
/usr/bin/clang -c /home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp/main.cu -o CMakeFiles/cmTC_e7f6b.dir/main.cu.o
clang: error: cannot find libdevice for sm_20. Provide path to different CUDA installation via --cuda-path, or pass -nocudalib to build without linking with libdevice.
CMakeFiles/cmTC_e7f6b.dir/build.make:85: recipe for target 'CMakeFiles/cmTC_e7f6b.dir/main.cu.o' failed
make[1]: *** [CMakeFiles/cmTC_e7f6b.dir/main.cu.o] Error 1
make[1]: Leaving directory '/home/rom1/Projects/video-extractor/build/CMakeFiles/CMakeTmp'
Makefile:141: recipe for target 'cmTC_e7f6b/fast' failed
make: *** [cmTC_e7f6b/fast] Error 2Edited by Romain Laneuville