message: native_cctools: Don't use libc++ from pinned clang
  Now that we include the macOS SDK libc++ headers in our macOS SDK
  tarball, we no longer need this hack to use the libc++ from our pinned
  clang.
diff: @@ -72,7 +72,5 @@ define $(package)_stage_cmds
  cp -P bin/clang++ $($(package)_staging_prefix_dir)/bin/ &&\
  cp lib/libLTO.so $($(package)_staging_prefix_dir)/lib/ && \
  cp -rf lib/clang/$($(package)_clang_version)/include/* $($(package)_staging_prefix_dir)/lib/clang/$($(package)_clang_version)/include/ && \
  - cp bin/llvm-dsymutil $($(package)_staging_prefix_dir)/bin/$(host)-dsymutil && \
  - if `test -d include/c++/`; then cp -rf include/c++/ $($(package)_staging_prefix_dir)/include/; fi && \
  - if `test -d lib/c++/`; then cp -rf lib/c++/ $($(package)_staging_prefix_dir)/lib/; fi
  + cp bin/llvm-dsymutil $($(package)_staging_prefix_dir)/bin/$(host)-dsymutil
  endef
  