cmake -G Ninja  ../llvm/llvm "-DLLVM_ENABLE_PROJECTS=clang;lld;flang;clang-tools-extra"           "-DLLVM_ENABLE_RUNTIMES=openmp" 	  -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=True 	  -DCMAKE_INSTALL_PREFIX=../llvm-install 	  "-DLLVM_TARGETS_TO_BUILD=AArch64" -DCLANG_DEFAULT_LINKER=lld