add strace (partially)

svn path=/nixpkgs/trunk/; revision=1218

pkgs/system/all-packages-generic.nix

@@ -172,6 +172,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  strace = (import ../development/tools/misc/strace) {
+    inherit fetchurl stdenv;
+  };
+
   swig = (import ../development/tools/misc/swig) {
     inherit fetchurl stdenv perl python;
     perlSupport = true;

pkgs/system/populate-cache.nix

@@ -64,6 +64,7 @@ let {
     screen
     openssl
     mktemp
+    strace
   ;};