> Hello, Dear List!
> I want to turn-off concreate warning (but to have all other, and
> possible to treat them as errors). This warning is about orphans
> instances. I tried:
> -Wall -Werror -Wno-warn-orphans
> -Wall -Werror -Wno-warn-warn-orphans
> But GHC does not understand this option. How to achieve this?
> Best regards, Paul
> Beginners mailing list
> [hidden email] > http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners
> To turn off any warning, simply give the corresponding -Wno-...
option on the command line. For backwards compatibility with GHC
versions prior to 8.0, all these warnings can still be controlled with
-f(no-)warn-* instead of -W(no-)*.