Updating from trunk. I had to resolve the pcre and some stdenv2 in all-packages

svn path=/nixpkgs/branches/stdenv-updates/; revision=24155

pkgs/tools/compression/bzip2/default.nix

@@ -2,9 +2,9 @@
 
 stdenv.mkDerivation {
   name = "bzip2-1.0.5";
-  
+
   builder = ./builder.sh;
-    
+
   src = fetchurl {
     url = http://www.bzip.org/1.0.5/bzip2-1.0.5.tar.gz;
     sha256 = "08py2s9vw6dgw457lbklh1vsr3b8x8dlv7d8ygdfaxlx61l57gzp";
@@ -26,8 +26,12 @@ stdenv.mkDerivation {
   makeFlags = if linkStatic then "LDFLAGS=-static" else "";
 
   inherit linkStatic;
-    
+
   meta = {
-    homepage = http://www.bzip.org;
+    homepage = "http://www.bzip.org";
+    description = "high-quality data compression program";
+
+    platforms = stdenv.lib.platforms.all;
+    maintainers = [];
   };
 }