ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/3] ACTION //libcxx/include:write_modulemap(//llvm/utils/gn/build/toolchain:unix)
[2/3] COPY ../../libcxx/include/cinttypes include/c++/v1/cinttypes
[3/3] COPY ../../libcxx/include/__cxx03/cinttypes include/c++/v1/__cxx03/cinttypes