(out-bin (string-append out "/bin"))

                    (out-lib (string-append out "/lib")))

                   (("@GROOVYJAR@") "groovy.jar")

                      "MAX_FD=\"maximum\"\nJAVAHOME="

                      (assoc-ref inputs "jdk"))))

                 ;; Groovy uses class loading. It's not enough to put the class

                 ;; in the loader's classpath, as it causes breakages:

                 ;; the compiler would give this error:

                 ;; "Prohibited package name: java.lang"

                 ;; So we symlink dependencies in this package's output. The

                 ;; starter class (in groovy-bootstrap) is where the class loader

                 ;; will look for dependencies, so we put it there too.

                 (mkdir-p out-lib)

                 (for-each

                   (lambda (input)

                     (for-each

                       (lambda (jar)

                         (symlink jar (string-append out-lib "/" (basename jar))))

                       (find-files (assoc-ref inputs input) ".*.jar")))

                   '("groovy-bootstrap" "groovy-ant" "groovy-bsf"

                     "groovy-console" "groovy-docgenerator"

                     "groovy-groovydoc" "groovy-groovysh"

                     "groovy-jmx" "groovy-json" "groovy-jsr223"

                     "groovy-nio" "groovy-servlet" "groovy-sql"

                     "groovy-swing" "groovy-templates" "groovy-testng"

                     "java-commons-cli" "java-asm"

                     "java-classpathx-servletapi" "java-xstream"

                     "java-jansi" "java-jline-2"))

                 ;; antlr.jar is present twice in antlr2.  Symlink doesn't like

                 ;; it, so we symlink it here.

                 (symlink (string-append (assoc-ref inputs "antlr2") "/lib/antlr.jar")

                          (string-append out-lib "/antlr.jar"))

           (lambda* (#:key inputs #:allow-other-keys)

             (setenv "CLASSPATH"

                     (string-join

                       (apply append (map (lambda (input)

                                            (find-files (assoc-ref inputs input)

                                                        ".*.jar"))

                                          '("java-logback-core" "java-slf4j-api"

                                            "java-commons-compiler" "java-tomcat")))

                       ":"))

     ;`(("java-javax-mail" ,java-javax-mail)

     ;  ("java-tomcat" ,java-tomcat)

     ;  ("java-commons-compiler" ,java-commons-compiler)

     ;  ("java-janino" ,java-janino)))

               ;(zero? (apply system* "java" "-cp" (getenv "CLASSPATH")

               ;              "org.codehaus.groovy.tools.FileSystemCompiler"

               ;              "-d" "build/classes" "-j"

               ;              (find-files "src/main/" ".*\\.(groovy|java)$")))

               (apply invoke "groovyc" "-d" "build/classes" "-j"

                      (find-files "src/main/" ".*\\.(groovy|java)$"))

     `(("groovy" ,groovy)))))