...

• In Eclipse, open the SVN Repositories Window (Window Menu → ? Show View → ? Other → ? SVN → ? SVN Repository)
  
  
  
• Right click in the SVN Repository window → ? New → ? Repository Location...
  
  
  
• Fill in the following fields:

  Field Name	Value
  URL	svn://source.pentaho.org/pentaho-reporting

  
  
  
• The connection should be established and displayed in the SVN Repository window
  |

...

• In the SVN Repository windows, navigate to trunk → ? engines → ? classic → ? core
• Right-click and select Checkout...
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• Click on the Finish button...
• From the New Project window, select Java Project...
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• In the New Java Project window, enter the Project Name (something like pentaho-reporting-classic-core) and click on the Next button...
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• In the Default output folder, append a /bin to the default folder and click Finish...
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• Ignore the warning message about resources that exist in the project...
• At this point, the latest version of the project is checked out and the source code is sitting on your computer

Configure the Project for Eclipse

Once the project is checked out, there are some Eclipse specific tasks that need to be done since this isn't an Eclipse project by default.

• On Back in the Java perspective, on the Navigator or Package ExpolrerExplorer view, right-click on the jfreereport pentaho-reporting-classic-core project and select Properties
• Select the Java Build Path item
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• On the Source tab:
  • Highlight the jfreereport pentaho-reporting-classic-core item and click the Remove button.
  • Click the Add Folder button, check the jfreereport ? pentaho-reporting-classic-core → source folder and click OK
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  • Set the Default output folder to jfreereportpentaho-reporting-classic-core/bin (and uncheck un-check the Allow output folders for source folders option if it is selected) Image Removed

• On the Libraries tab, click the Add JARs... button
  • Navigate to the jfreereport ? pentaho-reporting-classic-core → lib directory
  • Highlight all the jar files in that directory
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• Click on the OK button of the Properties dialog
  

At this point, the JFreeReport pentaho-reporting-classic-core project should compile and be ready for development.
You can repeat the same steps to work on the pentaho-reporting-classic-extensions project or any of the associated libraries (located under trunk → libraries):

• libfonts
• libformula
• libloader
• librepository
• libxml
• pixie