# Pastebin t7skbYvM
LD	ffmpeg_g
Undefined symbols for architecture x86_64:
  "_opt_opencl", referenced from:
      _options in ffmpeg_opt.o
  "_opt_opencl_bench", referenced from:
      _options in ffmpeg_opt.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [ffmpeg_g] Error 1