From 24d313e2039b6d89f8a1ba4c5be12b134479fe67 Mon Sep 17 00:00:00 2001
From: michael bishop <cleverca22@gmail.com>
Date: Wed, 14 Jun 2017 11:41:00 -0300
Subject: [PATCH] justStaticExecutables: enable -dead_strip on mac to shrink
 closure

---
 pkgs/development/haskell-modules/lib.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/lib.nix b/pkgs/development/haskell-modules/lib.nix
index 6c718bafda55..30d82d3efc93 100644
--- a/pkgs/development/haskell-modules/lib.nix
+++ b/pkgs/development/haskell-modules/lib.nix
@@ -89,7 +89,10 @@ rec {
     isLibrary = false;
     doHaddock = false;
     postFixup = "rm -rf $out/lib $out/nix-support $out/share/doc";
-  });
+  } // (if pkgs.stdenv.isDarwin then {
+    configureFlags = (drv.configureFlags or []) ++ ["--ghc-option=-optl=-dead_strip"];
+  } else {})
+  );
 
   buildFromSdist = pkg: pkgs.lib.overrideDerivation pkg (drv: {
     unpackPhase = let src = sdistTarball pkg; tarname = "${pkg.pname}-${pkg.version}"; in ''