Revert "Merge pull request #9543 from NixOS/staging.post-15.06"

This reverts commit f61176c5396ed513f3d399f73f38ab78a066667f, reversing
changes made to a27ca029ee2b39e04d7d2a516a7228f4b62067fb.

Conflicts:
	pkgs/development/libraries/ncurses/default.nix

1 files changed, 17 insertions, 0 deletions

diff --git a/pkgs/development/libraries/libunwind/native.nix b/pkgs/development/libraries/libunwind/native.nix
new file mode 100644
index 00000000000..6ce485ecaec
--- /dev/null
+++ b/pkgs/development/libraries/libunwind/native.nix
@@ -0,0 +1,17 @@
+{ stdenv }:
+
+assert stdenv.isDarwin;
+
+stdenv.mkDerivation {
+  name = "libunwind-native";
+
+  unpackPhase = ":";
+  dontBuild = true;
+
+  installPhase = ''
+    mkdir -p $out/lib
+    cat /usr/lib/system/libunwind.dylib > $out/lib/libunwind.dylib
+  '';
+
+  meta.platforms = stdenv.lib.platforms.darwin;
+}