From 06eab94f1603620944dfcc6c64b5af8c194db75f Mon Sep 17 00:00:00 2001
From: Jude Taylor <me@jude.bio>
Date: Mon, 28 Sep 2015 17:09:50 -0700
Subject: [PATCH] patch sbcl-bootstrap for purity

---
 pkgs/development/compilers/sbcl/bootstrap.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/compilers/sbcl/bootstrap.nix b/pkgs/development/compilers/sbcl/bootstrap.nix
index 015d7dd95da..40c98072e6e 100644
--- a/pkgs/development/compilers/sbcl/bootstrap.nix
+++ b/pkgs/development/compilers/sbcl/bootstrap.nix
@@ -17,6 +17,7 @@ stdenv.mkDerivation rec {
   installPhase = ''
     mkdir -p $out/bin
     cp -p src/runtime/sbcl $out/bin
+    install_name_tool -change /usr/lib/libgcc_s.1.dylib ${stdenv.libc}/lib/libgcc_s.10.5.dylib $out/bin/sbcl
     mkdir -p $out/share/sbcl
     cp -p output/sbcl.core $out/share/sbcl
   '';