gbe_fork/cmake/share/cmake-3.30/Modules/CMakeCompilerCUDAArch.h
2024-08-19 00:34:28 +02:00

30 lines
680 B
C++

#include <cstdio>
#include <cuda_runtime.h>
static bool cmakeCompilerCUDAArch()
{
int count = 0;
if (cudaGetDeviceCount(&count) != cudaSuccess || count == 0) {
std::fprintf(stderr, "No CUDA devices found.\n");
return -1;
}
bool found = false;
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 = true;
}
}
if (!found) {
std::fprintf(stderr, "No CUDA architecture detected from any devices.\n");
}
return found;
}