haskell-ghc-mod: fix to prevent Emacs from hanging
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@ -23,6 +23,7 @@ cabal.mkDerivation (self: {
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configureFlags = "--datasubdir=${self.pname}-${self.version}";
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postInstall = ''
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cd $out/share/$pname-$version
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sed -i -e 's/"-b" "\\n" "-l"/"-l" "-b" "\\"\\\\n\\""/' ghc-process.el
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make
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rm Makefile
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cd ..
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