o("lld", "rust.lld", "build lld")
o("lldb", "rust.lldb", "build lldb")
o("missing-tools", "dist.missing-tools", "allow failures when building tools")
-o("use-libcxx", "llvm.use_libcxx", "build LLVM with libc++")
+o("use-libcxx", "llvm.use-libcxx", "build LLVM with libc++")
o("cflags", "llvm.cflags", "build LLVM with these extra compiler flags")
o("cxxflags", "llvm.cxxflags", "build LLVM with these extra compiler flags")
o("ldflags", "llvm.ldflags", "build LLVM with these extra linker flags")
-o("llvm-libunwind", "rust.llvm_libunwind", "use LLVM libunwind")
+o("llvm-libunwind", "rust.llvm-libunwind", "use LLVM libunwind")
# Optimization and debugging options. These may be overridden by the release
# channel, etc.