Quote:
CMake Error at src/kj/CMakeLists.txt:82 (target_compile_features):
target_compile_features The compiler feature "cxx_generic_lambdas" is not
known to CXX compiler
We can only guess, but a good possibility is that you are using a different version of the compiler to the original author: go back to the site you got it from, and ask him what version he uses, then compare that and the release notes for it with yours.
Sorry, but we can't do any of that for you!