Kyle Swanson: > +#ifdef CONFIG_LIBVMAF_CUDA > +#include <libvmaf_cuda.h> > + > +#include "libavutil/hwcontext.h" > +#include "libavutil/hwcontext_cuda_internal.h" > +#endif > + The CONFIG_* variables are always defined; you need to check via "#if", not "#ifdef". - Andreas