* Finally got stdenv-nix-linux working again. Still not perfect,

though.
* libxml2: upgrade to latest.
* octavefront/rna: keep debug info.

svn path=/nixpkgs/trunk/; revision=830

pkgs/stdenv/native/default.nix

@@ -9,7 +9,8 @@
 
   gcc = (import ../../build-support/gcc-wrapper) {
     name = "gcc-native";
-    isNative = true;
+    nativeTools = true;
+    nativeGlibc = true;
     nativePrefix = "/usr";
     inherit stdenv;
   };

pkgs/stdenv/native/prehook.sh

@@ -1 +1,3 @@
 export SHELL=/bin/sh
+
+export NIX_ENFORCE_PURITY=