From a64cee8c7817dccfe85f5dbe3a7bbc360ed44e02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Mon, 17 Aug 2015 10:34:22 +0200
Subject: [PATCH] ghc-7.4.2-binary: fix on i686 after 6c4364041

I'm not sure what was the compatibility problem before that commit,
but ghc at least builds now on both x86 Linux platforms
(and this commit doesn't cause a rebuild on x86_64-linux).
---
 pkgs/development/compilers/ghc/7.4.2-binary.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/ghc/7.4.2-binary.nix b/pkgs/development/compilers/ghc/7.4.2-binary.nix
index 88db6738ca0..3d781e9d558 100644
--- a/pkgs/development/compilers/ghc/7.4.2-binary.nix
+++ b/pkgs/development/compilers/ghc/7.4.2-binary.nix
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
     # find editline/gmp.
     stdenv.lib.optionalString stdenv.isLinux ''
       mkdir -p "$out/lib"
-      ln -sv "${ncurses}/lib/libncurses.so" "$out/lib/libncursesw.so.5"
+      ln -sv "${ncurses}/lib/libncurses.so" "$out/lib/libncurses${stdenv.lib.optionalString stdenv.is64bit "w"}.so.5"
       find . -type f -perm +100 \
           -exec patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
           --set-rpath "$out/lib:${gmp}/lib" {} \;