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Simon Marlow authored
don't set $(WAYS) in ghc/mk/paths.mk, set it explicitly in the Makefiles where it is required (compiler/Makefile, lib/Makefile and runtime/Makefile). Remove the overriding of $(WAYS) from utils/*/Makefile. No need to eliminate warnings for overlapped patterns in Happy-generated parsers any more. Don't compile OccurAnal with -O if we're using a pre-version-2 GHC, since it seems there's an optimiser bug.
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