Omit -osuf/-odir -hisuf/-hidir and -stubdir from the flag checker
Omit -osuf/-odir -hisuf/-hidir and -stubdir from the flag checker

The reasoning is that GHC will only skip recompilation if it has found
a valid up-to-date object file and .hi file, so there is no need to
also check that these flags have not changed, and indeed there are
valid reasons to want to change them.

ilyasergey/GHC-XAppFix,ilyasergey/GHC-XAppFix,ilyasergey/GHC-XAppFix,ilyasergey/GHC-XAppFix