make afl
Note the copy of LibFuzzer here is from LLVM 3.9. LibFuzzer is very tightly coupled with Clang and Compiler-rt so you need to use Clang 3.9 built with the corresponding compiler-rt.
make libfuzzer
To fuzz using libfuzzer:
make fuzz_simple_libfuzzer
To fuzz using AFL:
make fuzz_simple_afl
To fuzz using libfuzzer:
make fuzz_interval_libfuzzer
To fuzz using AFL:
make fuzz_interval_afl