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## Configuring Apache FOP for PostScript/PDF Output

This section describes the steps required to configure Apache FOP to generate PostScript and PDF output for BoostBook documents. To begin, you will need two pieces of software:

- A Java interpreter, available at http://java.sun.com.
- Apache FOP, available at http://xml.apache.org/fop/download.html. Version 0.20.4 seems to be most stable.

Once Java is installed (we'll call Java's directory `JAVA_HOME`) and Apache FOP has been extracted into a directory (we'll call FOP's directory `FOP_DIR`), we need to configure Boost.Build to use FOP. Edit your `user-config.jam` or `site-config.jam` and add the following, replacing `FOP_DIR` with the directory where Apache FOP is installed, and replace `JAVA_HOME` with the directory where Java is installed:

    using fop : FOP_DIR
              : JAVA_HOME
              ;

In some cases, `JAVA_HOME` is optional, but it often helps to specify it.

To test PDF generation, switch to the directory `$BOOST_ROOT/doc` and execute the command bjam --v2 pdf. In the absence of any errors, Apache FOP will be executed to transform the XSL:FO output of DocBook into a PDF file.

| Copyright © 2003 Douglas Gregor