Daniel Gustafsson <daniel(at)yesql(dot)se> writes:
> Odd. I don’t actually get -isysroot on XCode 10.0 on my 10.13.6 installation,
> on 10.12 with XCode 8.3.3 I do however get -isysroot.
Wow ... could it be that it actually varies depending on the combination
of compiler and OS versions? That would be weird.
regards, tom lane