doesn't work cleanly on a fresh macos install

[tmc]

The ctags that apple distributes doesn't play nicely with this code, nudging folks in the right direction would be nice.

gutentags: [job stdout]: 'ctags -f "/Users/tmc/.vim/tags/Users-tmc-code-blah-.tags.temp" "--opt
ions=/Users/tmc/.vim/plugged/vim-gutentags/res/ctags_recursive.options"  --exclude=@/Users/tmc/.vim/tags/_wil
dignore.options "/Users/tmc/code/blah"'
gutentags: [job stderr]: '/Library/Developer/CommandLineTools/usr/bin/ctags: illegal option -- -'
gutentags: [job stderr]: 'usage: ctags [-BFadtuwvx] [-f tagsfile] file ...'