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authorRicardo Wurmus <ricardo.wurmus@mdc-berlin.de>2015-12-29 16:56:49 +0100
committerRicardo Wurmus <ricardo.wurmus@mdc-berlin.de>2016-03-14 12:36:49 +0100
commit5f7a1a4def8494940a4a2bc3728fb9cd927a14f8 (patch)
tree3a94591cfa34e81de8ef88e476a4e368cf033272 /guix/build/ant-build-system.scm
parent535e2a2feedf95c8a3b2ef390ad9c2e5935b60be (diff)
build: Add Ant build system.
* guix/build-system/ant.scm: New file. * guix/build/ant-build-system: New file. * Makefile.am (MODULES): Add new files. * doc/guix.texi (Build Systems): Document ant-build-system.
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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix build ant-build-system)
+ #:use-module ((guix build gnu-build-system) #:prefix gnu:)
+ #:use-module (guix build syscalls)
+ #:use-module (guix build utils)
+ #:use-module (sxml simple)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 ftw)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:export (%standard-phases
+ ant-build))
+
+;; Commentary:
+;;
+;; Builder-side code of the standard build procedure for Java packages using
+;; Ant.
+;;
+;; Code:
+
+(define (default-build.xml jar-name prefix)
+ "Create a simple build.xml with standard targets for Ant."
+ (call-with-output-file "build.xml"
+ (lambda (port)
+ (sxml->xml
+ `(project (@ (basedir "."))
+ (property (@ (name "classes.dir")
+ (value "${basedir}/build/classes")))
+ (property (@ (name "jar.dir")
+ (value "${basedir}/build/jar")))
+ (property (@ (name "dist.dir")
+ (value ,prefix)))
+
+ ;; respect the CLASSPATH environment variable
+ (property (@ (name "build.sysclasspath")
+ (value "first")))
+ (property (@ (environment "env")))
+ (path (@ (id "classpath"))
+ (pathelement (@ (location "${env.CLASSPATH}"))))
+
+ (target (@ (name "compile"))
+ (mkdir (@ (dir "${classes.dir}")))
+ (javac (@ (includeantruntime "false")
+ (srcdir "src")
+ (destdir "${classes.dir}")
+ (classpath (@ (refid "classpath"))))))
+
+ (target (@ (name "jar")
+ (depends "compile"))
+ (mkdir (@ (dir "${jar.dir}")))
+ ;; We cannot use the simpler "jar" task here, because
+ ;; there is no way to disable generation of a
+ ;; manifest. We do not include a generated manifest
+ ;; to ensure determinism, because we cannot easily
+ ;; reset the ctime/mtime before creating the archive.
+ (exec (@ (executable "jar"))
+ (arg (@ (line ,(string-append "-Mcf ${jar.dir}/" jar-name
+ " -C ${classes.dir} ."))))))
+
+ (target (@ (name "install"))
+ (copy (@ (todir "${dist.dir}"))
+ (fileset (@ (dir "${jar.dir}"))
+ (include (@ (name "**/*.jar")))))))
+ port)))
+ (utime "build.xml" 0 0)
+ #t)
+
+(define (generate-classpath inputs)
+ "Return a colon-separated string of full paths to jar files found among the
+INPUTS."
+ (string-join
+ (apply append (map (match-lambda
+ ((_ . dir)
+ (find-files dir "\\.*jar$")))
+ inputs)) ":"))
+
+(define* (configure #:key inputs outputs (jar-name #f)
+ #:allow-other-keys)
+ (when jar-name
+ (default-build.xml jar-name
+ (string-append (assoc-ref outputs "out")
+ "/share/java")))
+ (setenv "JAVA_HOME" (assoc-ref inputs "jdk"))
+ (setenv "CLASSPATH" (generate-classpath inputs)))
+
+(define* (build #:key (make-flags '()) (build-target "jar")
+ #:allow-other-keys)
+ (zero? (apply system* `("ant" ,build-target ,@make-flags))))
+
+(define* (strip-jar-timestamps #:key outputs
+ #:allow-other-keys)
+ "Unpack all jar archives, reset the timestamp of all contained files, and
+repack them. This is necessary to ensure that archives are reproducible."
+ (define (repack-archive jar)
+ (format #t "repacking ~a\n" jar)
+ (let ((dir (mkdtemp! "jar-contents.XXXXXX")))
+ (and (with-directory-excursion dir
+ (zero? (system* "jar" "xf" jar)))
+ ;; The manifest file contains timestamps
+ (for-each delete-file (find-files dir "MANIFEST.MF"))
+ (delete-file jar)
+ ;; 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 dir #:directories? #t))
+ (unless (zero? (system* "jar" "-Mcf" jar "-C" dir "."))
+ (error "'jar' failed"))
+ (utime jar 0 0)
+ #t)))
+
+ (every (match-lambda
+ ((output . directory)
+ (every repack-archive (find-files directory "\\.jar$"))))
+ outputs))
+
+(define* (check #:key target (make-flags '()) (tests? (not target))
+ (test-target "check")
+ #:allow-other-keys)
+ (if tests?
+ (zero? (apply system* `("ant" ,test-target ,@make-flags)))
+ (begin
+ (format #t "test suite not run~%")
+ #t)))
+
+(define* (install #:key (make-flags '()) #:allow-other-keys)
+ (zero? (apply system* `("ant" "install" ,@make-flags))))
+
+(define %standard-phases
+ (modify-phases gnu:%standard-phases
+ (replace 'configure configure)
+ (replace 'build build)
+ (replace 'check check)
+ (replace 'install install)
+ (add-after 'install 'strip-jar-timestamps strip-jar-timestamps)))
+
+(define* (ant-build #:key inputs (phases %standard-phases)
+ #:allow-other-keys #:rest args)
+ "Build the given Java package, applying all of PHASES in order."
+ (apply gnu:gnu-build #:inputs inputs #:phases phases args))
+
+;;; ant-build-system.scm ends here