diff options
Diffstat (limited to 'gnu/packages/java.scm')
| -rw-r--r-- | gnu/packages/java.scm | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm index 07ff449e1c..b89dd794e6 100644 --- a/gnu/packages/java.scm +++ b/gnu/packages/java.scm @@ -780,6 +780,97 @@ machine."))) (native-inputs (list guile-3.0 ecj-bootstrap jamvm classpath-devel)))) +;; We jump ahead by patching the sources of ECJ 4.2.1 so that our bootstrap +;; JDK can build it. ECJ 4 allows us to skip the build of the first version +;; of icedtea and build icedtea 2.x directly. +(define-public ecj4-bootstrap + (package + (name "ecj-bootstrap") + (version "4.2.1") + (source (origin + (method url-fetch) + (uri (string-append "http://archive.eclipse.org/eclipse/" + "downloads/drops4/R-" version + "-201209141800/ecjsrc-" version ".jar")) + (sha256 + (base32 + "1x281p87m14zylvinkiz6gc23ss7pzlx419qjbql11jriwav4qfj")))) + ;; It would be so much easier if we could use the ant-build-system, but we + ;; cannot as we don't have ant at this point. We use ecj for + ;; bootstrapping the JDK. + (build-system gnu-build-system) + (arguments + `(#:tests? #f ; there are no tests + #:phases + (modify-phases %standard-phases + (replace 'unpack + (lambda* (#:key source #:allow-other-keys) + (mkdir "src") + (with-directory-excursion "src" + (invoke "gjar" "-xf" source)) + (chdir "src"))) + (replace 'configure + (lambda* (#:key inputs #:allow-other-keys) + (setenv "CLASSPATH" + (string-join + (cons (search-input-file inputs "/lib/rt.jar") + (find-files (string-append + (assoc-ref inputs "ant-bootstrap") + "/lib") + "\\.jar$")) + ":")) + ;; This directive is not supported by our simple bootstrap JDK. + (substitute* (find-files "." "\\.java$") + (("@Override") "")))) + (replace 'build + (lambda* (#:key inputs #:allow-other-keys) + ;; We can't compile these yet, but we don't need them at this + ;; point anyway. + (delete-file "org/eclipse/jdt/core/JDTCompilerAdapter.java") + (delete-file-recursively "org/eclipse/jdt/internal/antadapter") + + ;; Create a simple manifest to make ecj executable. + (mkdir-p "META-INF") + (with-output-to-file "META-INF/MANIFESTS.MF" + (lambda _ + (display "Manifest-Version: 1.0 +Main-Class: org.eclipse.jdt.internal.compiler.batch.Main\n"))) + + ;; Compile it all! + (apply invoke "javac" + (find-files "." "\\.java$")) + + ;; Pack it all up! We don't use "jar" here, because + ;; it doesn't produce reproducible zip archives. + ;; XXX: copied from (gnu build install) + (for-each (lambda (file) + (let ((s (lstat file))) + (unless (eq? (stat:type s) 'symlink) + (utime file 0 0 0 0)))) + (find-files "." #:directories? #t)) + + ;; It is important that the manifest appears first. + (apply invoke "zip" "-0" "-X" "ecj-bootstrap.jar" + "META-INF/MANIFESTS.MF" + (delete "./META-INF/MANIFESTS.MF" + (find-files "." ".*" #:directories? #t))))) + (replace 'install + (lambda* (#:key outputs #:allow-other-keys) + (let ((share (string-append (assoc-ref outputs "out") + "/share/java/"))) + (mkdir-p share) + (install-file "ecj-bootstrap.jar" share))))))) + (native-inputs + (list ant-bootstrap classpath-devel ecj-javac-wrapper-final jamvm + unzip zip)) + (home-page "https://eclipse.org") + (synopsis "Eclipse Java development tools core batch compiler") + (description "This package provides the Eclipse Java core batch compiler +for bootstrapping purposes. The @dfn{Eclipse compiler for Java} (ecj) is a +requirement for all GNU Classpath releases after version 0.93. This version +supports sufficient parts of Java 7 to build Icedtea 2.x.") + (license license:epl1.0))) + ;; The bootstrap JDK consisting of jamvm, classpath-devel, ;; ecj-javac-wrapper-final cannot build Icedtea 2.x directly, because it's ;; written in Java 7. It can, however, build the unmaintained Icedtea 1.x, |