From 3dee596ed1e373c296cf4d5a09b937b41f27fbe5 Mon Sep 17 00:00:00 2001
From: Jude Taylor <me@jude.bio>
Date: Thu, 6 Oct 2016 11:56:32 -0700
Subject: [PATCH] reinstate libiconv/libcharset wrapper

---
 .../darwin/apple-source-releases/libiconv/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix b/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
index bc514d617bd..f5feee48e07 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
@@ -2,4 +2,15 @@
 
 appleDerivation {
   preConfigure = "cd libiconv";
+
+  postInstall = ''
+    mv $out/lib/libiconv.dylib $out/lib/libiconv-nocharset.dylib
+    install_name_tool -id $out/lib/libiconv-nocharset.dylib $out/lib/libiconv-nocharset.dylib
+
+    # re-export one useless symbol; ld will reject a dylib that only reexports other dylibs
+    echo 'void dont_use_this(){}' | clang -dynamiclib -x c - -current_version 2.4.0 \
+      -compatibility_version 7.0.0 -current_version 7.0.0 -o $out/lib/libiconv.dylib \
+      -Wl,-reexport_library -Wl,$out/lib/libiconv-nocharset.dylib \
+      -Wl,-reexport_library -Wl,$out/lib/libcharset.dylib
+  '';
 }