Error when compiling Cuda plugin about xmrig-cuda

[justinspony]

found a similar reported issue here:
#61

solution was said to use
cmake .. -DCMAKE_C_COMPILER=gcc-8 -DCMAKE_CXX_COMPILER=g++-8

i was able to make it work by changing 8 to 7.

[justinspony]

it completed with the following. is this ok?

[ 58%] Building NVCC (Device) object CMakeFiles/xmrig-cu.dir/src/RandomX/keva/xmrig-cu_generated_randomx_keva.cu.o
/home/j/xmrig-cuda/src/RandomX/randomx_cuda.hpp(319): warning: pointless comparison of unsigned integer with zero

/home/j/xmrig-cuda/src/RandomX/randomx_cuda.hpp(319): warning: pointless comparison of unsigned integer with zero

/home/j/xmrig-cuda/src/RandomX/randomx_cuda.hpp(319): warning: pointless comparison of unsigned integer with zero

/home/j/xmrig-cuda/src/RandomX/randomx_cuda.hpp(319): warning: pointless comparison of unsigned integer with zero

/home/j/xmrig-cuda/src/RandomX/randomx_cuda.hpp(319): warning: pointless comparison of unsigned integer with zero

/home/j/xmrig-cuda/src/cuda_extra.cu: In function ‘int cuda_get_deviceinfo(nvid_ctx*)’:
/home/j/xmrig-cuda/src/cuda_extra.cu:565:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (ctx->device_blocks > max_blocks) {
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
At global scope:
cc1plus: warning: unrecognized command line option ‘-Wno-class-memaccess’
Scanning dependencies of target xmrig-cu
[ 64%] Building CXX object CMakeFiles/xmrig-cu.dir/src/KawPow/raven/CudaKawPow_gen.cpp.o
[ 70%] Linking CXX static library libxmrig-cu.a
[ 70%] Built target xmrig-cu
Scanning dependencies of target xmrig-cuda
[ 76%] Building CXX object CMakeFiles/xmrig-cuda.dir/src/CudaCryptonightR_gen.cpp.o
[ 82%] Building CXX object CMakeFiles/xmrig-cuda.dir/src/crypto/common/Algorithm.cpp.o
[ 94%] Building CXX object CMakeFiles/xmrig-cuda.dir/src/xmrig-cuda.cpp.o
[ 94%] Building C object CMakeFiles/xmrig-cuda.dir/src/crypto/cn/c_blake256.c.o
[100%] Linking CXX shared library libxmrig-cuda.so
[100%] Built target xmrig-cuda