19:06:54 **** Incremental Build of configuration Debug for project CMingw64bandwidthnvcc ****
Info: Internal Builder is used for build
"C:\\Program" "Files\\NVIDIA" GPU Computing "Toolkit\\CUDA\\v8.0\\bin\\nvcc" -Wno-deprecated-gpu-targets -I "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\include C:\\Program Files (x86)\\Windows Kits\\10\\Include\\10.0.17763.0\\ucrt" -I "C:\\ProgramData\\NVIDIA Corporation\\CUDA Samples\\v8.0\\common\\inc" "..\\src\\bandwidth.cu" -o "src\\bandwidth.o" 
bandwidth.cu
   Creating library src/bandwidth.lib and object src/bandwidth.exp
gcc "-LC:\\Program Files\\NVIDIA GPU Computing Toolkit\\CUDA\\v8.0\\lib\\x64" -o CMingw64bandwidthnvcc.exe "src\\bandwidth.o" -lcudart_static 
C:/mingw/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/../lib/libmingw32.a(lib64_libmingw32_a-crt0_c.o):crt0_c.c:(.text.startup+0x2e): undefined reference to `WinMain'
collect2.exe: error: ld returned 1 exit status

19:07:06 Build Finished. 0 errors, 0 warnings. (took 11s.989ms)