From 7c478016d0ca57753323e45b77505fc839b170f8 Mon Sep 17 00:00:00 2001
From: Inari Listenmaa <inari.listenmaa@gmail.com>
Date: Mon, 3 Aug 2020 19:45:20 +0200
Subject: [PATCH] Replace deprecated pragma with up-to-date one. (#17)

---
 src/compiler/GF/Compile/PGFtoHaskell.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/GF/Compile/PGFtoHaskell.hs b/src/compiler/GF/Compile/PGFtoHaskell.hs
index 6cb078625..6356c9f6d 100644
--- a/src/compiler/GF/Compile/PGFtoHaskell.hs
+++ b/src/compiler/GF/Compile/PGFtoHaskell.hs
@@ -44,7 +44,7 @@ grammar2haskell opts name gr = foldr (++++) [] $
               | otherwise = ("G"++) . rmForbiddenChars
           -- GF grammars allow weird identifier names inside '', e.g. 'VP/Object'
           rmForbiddenChars = filter (`notElem` "'!#$%&*+./<=>?@\\^|-~")
-          pragmas | gadt = ["{-# OPTIONS_GHC -fglasgow-exts #-}","{-# LANGUAGE GADTs #-}"]
+          pragmas | gadt = ["{-# LANGUAGE GADTs, FlexibleInstances, KindSignatures, RankNTypes, TypeSynonymInstances #-}"]
                   | dataExt = ["{-# LANGUAGE DeriveDataTypeable #-}"]
                   | otherwise = []
           derivingClause