clang: error: unsupported option '-print-multi-os-directory' clang: error: no input files /Library/Developer/CommandLineTools/usr/bin/ranlib: file: .libs/libffi_convenience.a(ffi.o) has no symbols /Library/Developer/CommandLineTools/usr/bin/ranlib: file: .libs/libffi_convenience.a(darwin.o) has no symbols ld: warning: could not create compact unwind for _ffi_call_unix64: does not use RBP or RSP based frame /Library/Developer/CommandLineTools/usr/bin/ranlib: file: .libs/libffi_convenience.a(ffi.o) has no symbols /Library/Developer/CommandLineTools/usr/bin/ranlib: file: .libs/libffi_convenience.a(darwin.o) has no symbols CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY