~/dati/src/webgraph/svn  ant ivy-setupjars                      
Buildfile: /srv/src/webgraph/svn/build.xml
  [taskdef] Could not load definitions from resource org/apache/ivy/ant/antlib.xml. It could not be found.

ivy-setupjars:

BUILD FAILED
/srv/src/webgraph/svn/build.xml:15: Problem: failed to create task or type antlib:org.apache.ivy.ant:retrieve
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
No types or tasks have been defined in this namespace yet

This appears to be an antlib declaration. 
Action: Check that the implementing library exists in one of:
        -/usr/share/ant/lib
        -/home/zack/.ant/lib
        -a directory added on the command line with the -lib argument


Total time: 0 seconds
 ✘  ~/dati/src/webgraph/svn  ant
Buildfile: /srv/src/webgraph/svn/build.xml
  [taskdef] Could not load definitions from resource org/apache/ivy/ant/antlib.xml. It could not be found.

init:

BUILD FAILED
/srv/src/webgraph/svn/build.xml:125: It appears that Ivy has not been set up properly. Please run "ant ivy-setupjars" and try again.

Total time: 0 seconds
 ✘  ~/dati/src/webgraph/svn 