--- This conditional lets us switch off the "import FastString"
--- when compiling FastString itself, or when compiling modules that
--- don't use it (and would otherwise get warnings, which we treat
--- as errors). Can we do this more nicely?
-#if !defined(COMPILING_FAST_STRING) && !defined(FAST_STRING_NOT_NEEDED)
---
-import qualified FastString as FS
+#if defined(__GLASGOW_HASKELL__)
+#define SLIT(x) (FastString.mkLitString# (x#))
+#define FSLIT(x) (FastString.mkFastString# (x#))
+#else
+#define SLIT(x) (FastString.mkLitString (x))
+#define FSLIT(x) (FastString.mkFastString (x))