fatal error: device_functions_decls.h: No such file or directory

[RossComputerGuy]

/opt/cuda/include/crt/host_config.h:129:2: error: #error -- unsupported GNU version! gcc versions later than 7 are not supported!
 #error -- unsupported GNU version! gcc versions later than 7 are not supported!
  ^~~~~
In file included from /home/spaceboyross/nheqminer/cuda_djezo/equi_miner.cu:76:
/home/spaceboyross/nheqminer/cuda_djezo/eqcuda.hpp:6:10: fatal error: device_functions_decls.h: No such file or directory
 #include "device_functions_decls.h"
          ^~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
CMake Error at cuda_djezo_generated_equi_miner.cu.o.cmake:219 (message):
  Error generating
  /home/spaceboyross/nheqminer/build/cuda_djezo/CMakeFiles/cuda_djezo.dir//./cuda_djezo_generated_equi_miner.cu.o

make[2]: *** [cuda_djezo/CMakeFiles/cuda_djezo.dir/build.make:65: cuda_djezo/CMakeFiles/cuda_djezo.dir/cuda_djezo_generated_equi_miner.cu.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:183: cuda_djezo/CMakeFiles/cuda_djezo.dir/all] Error 2
make: *** [Makefile:130: all] Error 2

[smoothdvd]

I commented this line and make is pass. But it failed to run.

CUDA error 'an illegal memory access was encountered' in func 'solve' line 2095

[smoothdvd]

@SpaceboyRoss01 I use this fork: https://github.com/VerusCoin/nheqminer and it works ok.