/bin/sh: 1: clang: not found
make: *** [ffbuild/common.mak:128: libavfilter/vf_chromakey_cuda.ptx] Error 127
make: *** Waiting for unfinished jobs....
In file included from ./libavutil/hwcontext_cuda_internal.h:23,
                 from libavfilter/vf_chromakey_cuda.c:30:
./compat/cuda/dynlink_loader.h:31:10: fatal error: ffnvcodec/dynlink_loader.h: No such file or directory
 #include 
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [ffbuild/common.mak:81: libavfilter/vf_chromakey_cuda.o] Error 1