makefile: disable three new spurious GHC warnings.

diff --git a/makefile b/makefile
index 049fe55a57d40dde58d121e2deef4b695e11a4bc..c8842ed1338b4163f3523adb0495c45c0b2ddebe 100644 (file)
--- a/makefile
+++ b/makefile
@@ -10,6 +10,9 @@ HCFLAGS += -Weverything \
            -Wno-safe \
            -Wno-unsafe \
            -Wno-all-missed-specialisations \
+           -Wno-prepositive-qualified-module \
+           -Wno-missing-safe-haskell-mode \
+           -Wno-missing-deriving-strategies \
            -rtsopts \
            -threaded