MEX Build Failed "Build error: C++ compiler produced errors."

I'm currenty trying to follow the tutorial supplied by MathWorks to use GPU Coder and I keep receiving "MEX Build Failed" Errors. Below is the build log:

[1/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count_data.cu -o build\win64\mandelbrot_count_data.obj

FAILED: build/win64/mandelbrot_count_data.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count_data.cu -o build\win64\mandelbrot_count_data.obj

CreateProcess failed: The system cannot find the file specified.

[2/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" rt_nonfinite.cu -o build\win64\rt_nonfinite.obj

FAILED: build/win64/rt_nonfinite.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" rt_nonfinite.cu -o build\win64\rt_nonfinite.obj

CreateProcess failed: The system cannot find the file specified.

[3/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count_terminate.cu -o build\win64\mandelbrot_count_terminate.obj

FAILED: build/win64/mandelbrot_count_terminate.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count_terminate.cu -o build\win64\mandelbrot_count_terminate.obj

CreateProcess failed: The system cannot find the file specified.

[4/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count.cu -o build\win64\mandelbrot_count.obj

FAILED: build/win64/mandelbrot_count.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count.cu -o build\win64\mandelbrot_count.obj

CreateProcess failed: The system cannot find the file specified.

[5/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count_initialize.cu -o build\win64\mandelbrot_count_initialize.obj

FAILED: build/win64/mandelbrot_count_initialize.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" mandelbrot_count_initialize.cu -o build\win64\mandelbrot_count_initialize.obj

CreateProcess failed: The system cannot find the file specified.

[6/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" interface\_coder_mandelbrot_count_mex.cu -o build\win64\_coder_mandelbrot_count_mex.obj

FAILED: build/win64/_coder_mandelbrot_count_mex.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" interface\_coder_mandelbrot_count_mex.cu -o build\win64\_coder_mandelbrot_count_mex.obj

CreateProcess failed: The system cannot find the file specified.

[7/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" cpp_mexapi_version.cpp -o build\win64\cpp_mexapi_version.obj

FAILED: build/win64/cpp_mexapi_version.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" cpp_mexapi_version.cpp -o build\win64\cpp_mexapi_version.obj

CreateProcess failed: The system cannot find the file specified.

[8/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" interface\_coder_mandelbrot_count_api.cu -o build\win64\_coder_mandelbrot_count_api.obj

FAILED: build/win64/_coder_mandelbrot_count_api.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" interface\_coder_mandelbrot_count_api.cu -o build\win64\_coder_mandelbrot_count_api.obj

CreateProcess failed: The system cannot find the file specified.

[9/10] nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" interface\_coder_mandelbrot_count_info.cu -o build\win64\_coder_mandelbrot_count_info.obj

FAILED: build/win64/_coder_mandelbrot_count_info.obj

nvcc -c -rdc=true -Xcompiler "/wd 4819" -Xcompiler "/MD" -Xcudafe "--display_error_number --diag_suppress=2381 --diag_suppress=unsigned_compare_with_zero --diag_suppress=useless_type_qualifier_on_return_type" -D_GNU_SOURCE -DMATLAB_MEX_FILE -I "." -I "C:\Users\matth\OneDrive\Desktop\Test" -I ".\interface" -I "C:\Program Files\MATLAB\R2020b\extern\include" -I "." -DMW_CUDA_ARCH=350 -DMODEL=mandelbrot_count_mex -DMW_NEEDS_VERSION_H -arch sm_35 -I "C:\Program Files\MATLAB\R2020b/simulink/include" -I "C:\Program Files\MATLAB\R2020b/toolbox/shared/simtargets" interface\_coder_mandelbrot_count_info.cu -o build\win64\_coder_mandelbrot_count_info.obj

CreateProcess failed: The system cannot find the file specified.

ninja: build stopped: subcommand failed.

??? Build error: C++ compiler produced errors. See the Build Log

for further details.

More information

Code generation failed: View Error Report

Thank you for all the help!

[Walter Roberson]

Are you in a directory where you do not have permission to create subdirectory build and build\win64 ?

[Matthew Currie]

@Walter RobersonI'll try changing the folders directory and see if that yields any different results. But the data was inside a folder in the desktop. Is there a directory that you would recommend moving it to.

[Walter Roberson]

Desktop should generally be okay.

It might plausibly help to create build\ and build\win64\ folders ahead of time in the directory.

[David Fink]

If changing to other writeable folders results in the same issue, please reach out to MathWorks Technical Support.

[Marin Genov]

I just found out about this post. It appears that I am having the same issue with R2021a. Was the problem ever resolved? And if yes, what was the solution?