> On Apr 4, 2019, at 4:08 PM, r-sig-mac-requ...@r-project.org wrote: > > thanks, but can you give some details? I'm on a Mojave system and don't see > any issues - this will likely depend on your Xcode installation. Does it mean > some Xcode version is lacking headers? Which version, how did you install it? fwiw, searching turns up others mentioning the issue. https://github.com/go-delve/delve/issues/1359 <https://github.com/go-delve/delve/issues/1359> http://blog.gary-lai.com/missing-headers-in-mac-osx-10-14/ <http://blog.gary-lai.com/missing-headers-in-mac-osx-10-14/> https://stackoverflow.com/questions/50925160/macos-10-14beta-how-to-install-command-line-tools-macos-10-14-for-xcode-10-bet#50926354 <https://stackoverflow.com/questions/50925160/macos-10-14beta-how-to-install-command-line-tools-macos-10-14-for-xcode-10-bet#50926354> [[alternative HTML version deleted]] _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac