Merge pull request #269590 from marsam/add-emacs-hotfuzz

          packageRequires = [ self.haskell-mode ];

        });

        hotfuzz = super.hotfuzz.overrideAttrs (old: {

          nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ pkgs.cmake ];

          dontUseCmakeBuildDir = true;

          preBuild = ''

            make -j$NIX_BUILD_CORES

          '';

          postInstall = (old.postInstall or "") + "\n" + ''

            install source/hotfuzz-module.so $out/share/emacs/site-lisp/elpa/hotfuzz-*

          '';

        });

        irony = super.irony.overrideAttrs (old: {

          cmakeFlags = old.cmakeFlags or [ ] ++ [ "-DCMAKE_INSTALL_BINDIR=bin" ];

          env.NIX_CFLAGS_COMPILE = "-UCLANG_RESOURCE_DIR";