https://github.com/Kitware/CMake
Tip revision: 6c71fa6d56d3e2de30de3e0eb1d72375530598c4 authored by Brad King on 14 March 2023, 14:04:14 UTC
CMake 3.26.0
CMake 3.26.0
Tip revision: 6c71fa6
CMakeCUDACompilerABI.cu
#ifndef __CUDACC__
# error "A C or C++ compiler has been selected for CUDA"
#endif
#include <cstdio>
#include <cuda_runtime.h>
#include "CMakeCompilerABI.h"
int main(int argc, char* argv[])
{
int require = 0;
require += info_sizeof_dptr[argc];
require += info_byte_order_big_endian[argc];
require += info_byte_order_little_endian[argc];
#if defined(ABI_ID)
require += info_abi[argc];
#endif
static_cast<void>(argv);
int count = 0;
if (cudaGetDeviceCount(&count) != cudaSuccess || count == 0) {
std::fprintf(stderr, "No CUDA devices found.\n");
return -1;
}
int found = 0;
const char* sep = "";
for (int device = 0; device < count; ++device) {
cudaDeviceProp prop;
if (cudaGetDeviceProperties(&prop, device) == cudaSuccess) {
std::printf("%s%d%d", sep, prop.major, prop.minor);
sep = ";";
found = 1;
}
}
if (!found) {
std::fprintf(stderr, "No CUDA architecture detected from any devices.\n");
// Convince the compiler that the non-zero return value depends
// on the info strings so they are not optimized out.
return require ? -1 : 1;
}
return 0;
}