Author: ludo
Date: Sun Apr  1 12:08:44 2012
New Revision: 33515
URL: https://nixos.org/websvn/nix/?rev=33515&sc=1

Log:
nixUnstable: Fix cross-compilation native/cross mismatch with bzip2.

See <http://hydra.nixos.org/build/2345751> for the original symptom.

Modified:
   nixpkgs/trunk/pkgs/tools/package-management/nix/unstable.nix

Modified: nixpkgs/trunk/pkgs/tools/package-management/nix/unstable.nix
==============================================================================
--- nixpkgs/trunk/pkgs/tools/package-management/nix/unstable.nix        Sun Apr 
 1 12:08:39 2012        (r33514)
+++ nixpkgs/trunk/pkgs/tools/package-management/nix/unstable.nix        Sun Apr 
 1 12:08:44 2012        (r33515)
@@ -13,7 +13,16 @@
   };
 
   buildNativeInputs = [ perl pkgconfig ];
-  buildInputs = [ curl openssl boehmgc bzip2 sqlite ];
+
+  buildInputs = [ curl openssl boehmgc sqlite ];
+
+  # Note: bzip2 is not passed as a build input, because the unpack phase
+  # would end up using the wrong bzip2 when cross-compiling.
+  # XXX: The right thing would be to reinstate `--with-bzip2' in Nix.
+  postUnpack =
+    '' export CPATH="${bzip2}/include"
+       export LIBRARY_PATH="${bzip2}/lib"
+    '';
 
   configureFlags =
     ''
@@ -26,6 +35,11 @@
     '';
 
   crossAttrs = {
+    postUnpack =
+      '' export CPATH="${bzip2.hostDrv}/include"
+         export NIX_CROSS_LDFLAGS="-L${bzip2.hostDrv}/lib -rpath-link 
${bzip2.hostDrv}/lib $NIX_CROSS_LDFLAGS"
+      '';
+
     configureFlags =
       ''
         --with-store-dir=${storeDir} --localstatedir=${stateDir}
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