>From 9b82f683a34f9179b18e4b6a04652888ba347c68 Mon Sep 17 00:00:00 2001
From: Julien Lepiller <address@hidden>
Date: Thu, 13 Apr 2017 20:18:15 +0200
Subject: [PATCH 1/4] guix: ant-build-system: Add src-dir parameter.

* guix/build-system/ant.scm (ant-build): Add src-dir parameter.
* guix/build/ant-build-system.scm (configure): Add src-dir parameter.
(default-build.xml): Use it.
* doc/guix.texi: Document it.
---
 doc/guix.texi                   | 6 +++++-
 guix/build-system/ant.scm       | 2 ++
 guix/build/ant-build-system.scm | 9 +++++----
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 07f52becf..b9dfc03e1 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3321,7 +3321,11 @@ parameters, respectively.
 When the original package does not provide a suitable Ant build file,
 the parameter @code{#:jar-name} can be used to generate a minimal Ant
 build file @file{build.xml} with tasks to build the specified jar
-archive.
+archive.  By default, @file{src} will be used as the source directory.
+The parameter @code{#:src-dir} can be used to change the default source
+directory.  This parameter accepts the ant syntax for @code{srcdir}
+parameters, allowing to specify more than one directory by separating
+each directory with a semicolon (as in @code{"src1:src2"}).
 
 The parameter @code{#:build-target} can be used to specify the Ant task
 that should be run during the @code{build} phase.  By default the
diff --git a/guix/build-system/ant.scm b/guix/build-system/ant.scm
index 550f92bc7..cd544ad0d 100644
--- a/guix/build-system/ant.scm
+++ b/guix/build-system/ant.scm
@@ -98,6 +98,7 @@
                     (make-flags ''())
                     (build-target "jar")
                     (jar-name #f)
+                    (src-dir "src")
                     (phases '(@ (guix build ant-build-system)
                                 %standard-phases))
                     (outputs '("out"))
@@ -126,6 +127,7 @@
                   #:test-target ,test-target
                   #:build-target ,build-target
                   #:jar-name ,jar-name
+                  #:src-dir ,src-dir
                   #:phases ,phases
                   #:outputs %outputs
                   #:search-paths ',(map search-path-specification->sexp
diff --git a/guix/build/ant-build-system.scm b/guix/build/ant-build-system.scm
index 00a4a46d8..e2f3d4a9e 100644
--- a/guix/build/ant-build-system.scm
+++ b/guix/build/ant-build-system.scm
@@ -35,7 +35,7 @@
 ;;
 ;; Code:
 
-(define (default-build.xml jar-name prefix)
+(define (default-build.xml jar-name prefix src-dir)
   "Create a simple build.xml with standard targets for Ant."
   (call-with-output-file "build.xml"
     (lambda (port)
@@ -58,7 +58,7 @@
                  (target (@ (name "compile"))
                          (mkdir (@ (dir "${classes.dir}")))
                          (javac (@ (includeantruntime "false")
-                                   (srcdir "src")
+                                   (srcdir ,src-dir)
                                    (destdir "${classes.dir}")
                                    (classpath (@ (refid "classpath"))))))
 
@@ -97,12 +97,13 @@ to the default GNU unpack strategy."
       ;; Use GNU unpack strategy for things that aren't jar archives.
       ((assq-ref gnu:%standard-phases 'unpack) #:source source)))
 
-(define* (configure #:key inputs outputs (jar-name #f)
+(define* (configure #:key inputs outputs (jar-name #f) (src-dir "src")
                     #:allow-other-keys)
   (when jar-name
     (default-build.xml jar-name
                        (string-append (assoc-ref outputs "out")
-                                      "/share/java")))
+                                      "/share/java")
+                       src-dir))
   (setenv "JAVA_HOME" (assoc-ref inputs "jdk"))
   (setenv "CLASSPATH" (generate-classpath inputs)))
 
-- 
2.12.2