[Flex-help] Flex gives no output after upgrade to macOS High Sierra

[David S. <dsa...@ne...>]

Hi,

After I upgraded to macOS High Sierra and Xcode 9, running flex gives me no
output.

Same symptoms as in these (unanswered) questions:
https://stackoverflow.com/questions/47765188/flex-gives-no-output-on-macos-high-sierra-xcode-9
https://superuser.com/questions/1276478/flex-gives-no-output-on-macos-high-sierra-xcode-9

Any ideas?

Thanks,
David