Hlint: Error: Use better pragmas

Commands/All.hs

@@ -1,4 +1,4 @@
-{-# OPTIONS_GHC -cpp #-}
+{-# LANGUAGE CPP #-}
 {-| 
 
 The Commands package defines all the commands offered by the hledger

Options.hs

@@ -1,4 +1,4 @@
-{-# OPTIONS_GHC -cpp #-}
+{-# LANGUAGE CPP #-}
 {-|
 Command-line options for the application.
 -}

Version.hs

@@ -1,4 +1,4 @@
-{-# OPTIONS_GHC -cpp #-}
+{-# LANGUAGE CPP #-}
 {-
 Version-related utilities. See the Makefile for details of our version
 numbering policy.

hledger.hs

@@ -1,5 +1,5 @@
 -- #!/usr/bin/env runhaskell  <- sp doesn't like
-{-# OPTIONS_GHC -cpp #-}
+{-# LANGUAGE CPP #-}
 {-|
 hledger - a ledger-compatible text-based accounting tool.