On 03/19/15 03:38 PM, Jens Petersen wrote:

I tried building RC3 on Fedora Rawhide and hit this surprise i686 failure:

are you by any chance building RC3 with RC1/2 ? If so, then this is not well supported. I already reported this issue to ghc-devs few days/weeks ago.

compiler/utils/Pair.hs:38:32:
     Not in scope: ‘<$>’
     Perhaps you meant one of these:
       ‘<*>’ (imported from Prelude), ‘<+>’ (imported from Outputable),
       ‘<>’ (imported from Outputable)