From: Nick Desaulniers > Sent: 29 October 2021 00:28 ... > > > 2. Update the documentation to describe using the > > > > > > $ PATH=/usr/lib/llvm-#/bin:$PATH make LLVM=1 ... > > > > > > trick. This has been the preferred method for using different > > > versions of LLVM but it has never been documented anywhere. This > > > would allow us to keep the current build infrastructure while giving > > > people clear instructions for how to handle different versions of > > > clang. As Peter has noted, this would require people who are not > > > familiar with building with LLVM to be constantly looking at the > > > documentation to remember the command to invoke, whereas with > > > LLVM=-#, it is easy to remember. > > > > Right, this is no more than a crude hack and is super unfriendly. It > > should never have been accepted. > > Lots of tools modify PATH in your `.bashrc` or `.zshrc` etc. I don't > see how that's any different, other than one off commands in which you > actually intend to use a specific version. Nothing should be modifying the default $PATH, either by hacking my .bashrc or any system default files that get run first. It is as horrid and broken as setting LD_LIBRARY_PATH. Even ldconfig is pretty much a broken idea. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
