From b20ec4f719ed8e61781427762598b77ab3b9e70b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Xaver=20H=C3=B6rl?= <hoe.dom@gmx.de>
Date: Mon, 7 Sep 2020 19:36:58 +0200
Subject: [PATCH] pkgs/build-support/writers: allow passing ghc arguments in
 writeHaskell

---
 pkgs/build-support/writers/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/build-support/writers/default.nix b/pkgs/build-support/writers/default.nix
index 4673b4e6cd8..495a56b4197 100644
--- a/pkgs/build-support/writers/default.nix
+++ b/pkgs/build-support/writers/default.nix
@@ -164,12 +164,13 @@ rec {
   #   '';
   writeHaskell = name: {
     libraries ? [],
-    ghc ? pkgs.ghc
+    ghc ? pkgs.ghc,
+    ghcArgs ? []
   }:
     makeBinWriter {
       compileScript = ''
         cp $contentPath tmp.hs
-        ${ghc.withPackages (_: libraries )}/bin/ghc tmp.hs
+        ${ghc.withPackages (_: libraries )}/bin/ghc ${lib.escapeShellArgs ghcArgs} tmp.hs
         mv tmp $out
         ${pkgs.binutils-unwrapped}/bin/strip --strip-unneeded "$out"
       '';