10:38:58selwynhuh the apple version strings are not the same as the llvm ones
10:42:16selwynaccording to wiki https://en.wikipedia.org/wiki/Xcode#Toolchain_versions clang-1001.0.46.4 corresponds to llvm7, which clasp can't be built against
10:43:09selwyni'm kind of surprised that it managed to get past the configure stage with the wrong llvm version