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

function, so obsolete it.

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

pkgs/development/tools/build-managers/apache-ant/from-source.nix

@@ -39,7 +39,7 @@ EOF
 
   # Note: We don't build the javadoc.
   buildPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     ./build.sh -Dant.install="$out" install-lite
   '';
 
@@ -48,7 +48,7 @@ EOF
     # rearrange a few things.
     rm -v "$out/bin/"*.bat
 
-    ensureDir "$out/lib/java"
+    mkdir -p "$out/lib/java"
     mv -v "$out/lib/"*.jar "$out/lib/java"
     sed -i "$out/bin/ant" \
         -e "s|^ANT_LIB=.*$|ANT_LIB=$out/lib/java|g ;