svn merge ^/nixpkgs/trunk

Merge conflicts:
* unzip (almost trivial)
* dvswitch (trivial)
* gmp (copied result of `git merge`)

The last item introduced gmp-5.0.3, thus full rebuild.
+ensureDir->mkdir -p in TeX packages was catched by git but not svn.

svn path=/nixpkgs/branches/stdenv-updates/; revision=32091

pkgs/development/tools/build-managers/cmake/default.nix

@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.cmake.org/;
     description = "Cross-Platform Makefile Generator";
-    platforms = if useQt4 then qt4.meta.platforms else stdenv.lib.platforms.unix;
+    platforms = if useQt4 then qt4.meta.platforms else stdenv.lib.platforms.all;
     maintainers = [ stdenv.lib.maintainers.urkud ];
   };
 }