CMake Error at cmake/modules/AddLLVM.cmake:1163 (add_custom_target) · Issue #77 · obfuscator-llvm/obfuscator

cmake version 3.5.1 ubuntu 16.04LTS I used the instructions below. However i got the unexpected result. Could anyone help me to fix it? Thank you in advance!! $ git clone -b llvm-4.0 https://github...