* "ensureDir" -> "mkdir -p". "ensureDir" is a rather pointless

function, so obsolete it.

svn path=/nixpkgs/branches/stdenv-updates/; revision=31644

pkgs/build-support/dotnetenv/build-solution.nix

@@ -71,14 +71,14 @@ stdenv.mkDerivation {
 	export AssemblySearchPaths=$assemblySearchPaths
     fi
     
-    ensureDir $out
+    mkdir -p $out
     MSBuild.exe ${toString slnFile} /nologo /t:${targets} /p:IntermediateOutputPath=$(cygpath --windows $out)\\ /p:OutputPath=$(cygpath --windows $out)\\ /verbosity:${verbosity} ${options}
     
     # Because .NET assemblies store strings as UTF-16 internally, we cannot detect
     # hashes. Therefore a text files containing the proper paths is created
     # We can also use this file the propagate transitive dependencies.
     
-    ensureDir $out/nix-support
+    mkdir -p $out/nix-support
     
     for i in ${toString assemblyInputs}
     do