242a6cbc5f
When the backend for the host target isn't enabled, Clang would report the default target as `unknown`. This currently breaks the libc CMake build, but shouldn't in the case where we're cross-compiling since we're given an explicit target and the default one isn't being used.
LLVM libc ========= This directory and its subdirectories contain source code for llvm-libc, a retargetable implementation of the C standard library. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.