diff --git a/build.xml b/build.xml
index a2ff45dcf..a63e36313 100644
--- a/build.xml
+++ b/build.xml
@@ -93,6 +93,7 @@
   <property name="manifest.tmp" value="${build.dir}/optional.manifest"/>
   <!-- the absolute path -->
   <property name="build.tests.value" location="${build.tests}"/>
+  <property name="build.pkg.dir" value="${build.dir}/pkg"/>
 
   <!--
        ===================================================================
@@ -1214,10 +1215,28 @@
   </condition>
 
   <target name="pkg-distribution" depends="zip-distribution" if="buildosxpackage">
-    <exec executable="release/build-osx-pkg.py">
-      <arg value="--output-dir"/>
-      <arg value="${dist.base.binaries}"/>
-      <arg value="${dist.base.binaries}/${dist.name}-bin.zip"/>
+    <mkdir dir="${build.pkg.dir}"/>
+    <unzip src="${dist.base.binaries}/${dist.name}-bin.zip" dest="${build.pkg.dir}">
+      <mapper type="regexp" from="^([^/]*)/(.*)$$" to="\2"/>
+    </unzip>
+    <chmod perm="+x" type="file">
+      <fileset dir="${build.pkg.dir}/bin">
+        <include name="ant"/>
+        <include name="antRun"/>
+        <include name="*.pl"/>
+        <include name="*.py"/>
+      </fileset>
+    </chmod>
+    <exec executable="/usr/bin/pkgbuild">
+      <arg value="--root"/>
+      <arg value="${build.pkg.dir}"/>
+      <arg value="--identifier"/>
+      <arg value="org.apache.ant"/>
+      <arg value="--version"/>
+      <arg value="${project.version}"/>
+      <arg value="--install-location"/>
+      <arg value="/usr/local/ant"/>
+      <arg value="${dist.base.binaries}/${dist.name}.pkg"/>
     </exec>
   </target>
 
diff --git a/release/build-osx-pkg.py b/release/build-osx-pkg.py
deleted file mode 100755
index 4144a03c4..000000000
--- a/release/build-osx-pkg.py
+++ /dev/null
@@ -1,179 +0,0 @@
-#!/usr/bin/env python
-
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Builds a Mac OS X .pkg from a binary ZIP archive of Apache Ant.
-
-import collections
-import contextlib
-import os
-
-ApacheAntURL = collections.namedtuple(
-    'ApacheAntURL',
-    ('url', 'url_scheme', 'version', 'directory_name'))
-
-@contextlib.contextmanager
-def make_temp_directory():
-    '''Creates a temporary directory which is recursively deleted when out of scope.'''
-    import shutil
-    import tempfile
-    temp_dir = tempfile.mkdtemp()
-    yield temp_dir
-    shutil.rmtree(temp_dir)
-
-@contextlib.contextmanager
-def self_closing_url(url):
-    '''Opens a URL and returns a self-closing file-like object.'''
-    import urllib2
-    url_fp = urllib2.urlopen(url)
-    yield url_fp
-    url_fp.close()
-
-def apache_ant_url(url_string):
-    '''Parses a URL string into an ApacheAntURL object.'''
-    import argparse, collections, os.path, urlparse
-    parse_result = urlparse.urlparse(url_string)
-    filename = os.path.split(parse_result.path)[1]
-    if not (filename.startswith('apache-ant-') and filename.endswith('-bin.zip')):
-        raise argparse.ArgumentTypeError(
-            'Expected [%s] to end with apache-ant-X.Y.Z-bin.zip' % (url_string))
-    extracted_directory = filename.replace('-bin.zip', '')
-    extracted_version = extracted_directory.replace('apache-ant-', '')
-    return ApacheAntURL(
-        url=url_string,
-        url_scheme=parse_result.scheme,
-        version=extracted_version,
-        directory_name=extracted_directory)
-
-def fetch_url(url, local_output_file):
-    '''Downloads the contents of 'url' and writes them the opened file 'output_file'.'''
-    import shutil
-    import urllib2
-    CHUNK_SIZE = 16 * 1024
-    print 'Fetching {url}...'.format(url=url)
-    with self_closing_url(url) as url_input_file:
-        while True:
-            chunk = url_input_file.read(CHUNK_SIZE)
-            if not chunk:
-                break
-            local_output_file.write(chunk)
-        local_output_file.seek(0)
-
-def fetch_apache_ant_url(apache_ant_url, temp_dir):
-    '''If the ApacheAntURL object is remote, fetches and returns the local file object.
-    Otherwise, opens and returns a file object.'''
-    import tempfile
-    if apache_ant_url.url_scheme == '' or apache_ant_url.url_scheme == 'file':
-        return open(apache_ant_url.url, 'rb')
-    else:
-        fp = tempfile.TemporaryFile(dir=temp_dir)
-        fetch_url(apache_ant_url.url, fp)
-        return fp
-
-def uncompress_contents(temp_dir, archive_file, directory_name, path_prefix):
-    '''Uncompresses the contents of 'archive_file' to 'temp_dir'.
-
-    Strips the prefix 'directory_name' and prepends 'path_prefix' to each entry
-    of the zip file.
-    '''
-    import shutil, zipfile
-    output_path = os.path.join(temp_dir, 'pkg')
-    os.mkdir(output_path)
-    z = zipfile.ZipFile(archive_file)
-    print 'Extracting archive to {output_path}...'.format(
-        output_path=output_path)
-    for entry in z.infolist():
-        # We can't just extract directly, since we want to map:
-        #
-        # apache-ant-X.Y.Z/bin/foo
-        #
-        # to
-        #
-        # usr/local/ant/bin/foo
-        #
-        # So, we strip out the apache-ant-X.Y.Z prefix, then instead of
-        # using ZipFile.extract(), we use ZipFile.open() to get a read fd to
-        # the source file, then os.fdopen() with the appropriate permissions
-        # to geta write fd to the modified destination path.
-        expected_prefix = directory_name + '/'
-        if not entry.filename.startswith(expected_prefix):
-            raise Exeption('Unexpected entry in zip file: [{filename}]'.format(
-                    filename=entry.filename))
-        entry_path = entry.filename.replace(expected_prefix, '', 1)
-
-        # Using os.path.join is annoying here (we'd have to explode output_path
-        # and entry_path).
-        entry_output_path = output_path + path_prefix + '/' + entry_path
-
-        # Zip file paths are normalized with '/' at the end for directories.
-        if entry_output_path.endswith('/'):
-            print 'Creating directory {path}'.format(path=entry_output_path)
-            os.makedirs(entry_output_path)
-        else:
-            # Yes, this is really how you extract permissions from a ZipInfo entry.
-            perms = (entry.external_attr >> 16L) & 0777
-            print 'Extracting {entry_filename} to {path} with mode 0{mode:o}'.format(
-                entry_filename=entry.filename, path=entry_output_path, mode=perms)
-            with z.open(entry) as source:
-                with os.fdopen(
-                    os.open(entry_output_path, os.O_WRONLY | os.O_CREAT, perms), 'w') \
-                    as destination:
-                    shutil.copyfileobj(source, destination)
-    return output_path
-
-def write_paths_d_entry(paths_d_directory, filename):
-    os.makedirs(paths_d_directory)
-    output_file = os.path.join(paths_d_directory, filename)
-    with open(output_file, 'w') as f:
-        print >>f, '/usr/local/ant/bin'
-
-def make_pkg(pkg_dir, pkg_identifier, pkg_version, output_pkg_path):
-    import subprocess
-    print 'Building package at {output_pkg_path}...'.format(
-        output_pkg_path=output_pkg_path)
-    subprocess.call(
-        ['pkgbuild',
-         '--root', pkg_dir,
-         '--identifier', pkg_identifier,
-         '--version', pkg_version,
-         output_pkg_path])
-
-def main():
-    import argparse
-    parser = argparse.ArgumentParser(description='Builds a Mac OS X .pkg of ant.')
-    parser.add_argument(
-        'apache_ant_url',
-        metavar='file-or-url',
-        help='Source file or URL from which to uncompress apache-ant-X.Y.Z-bin.zip',
-        type=apache_ant_url)
-    parser.add_argument(
-        '--output-dir',
-        default='.',
-        help='Directory to which .pkg will be written. Defaults to current directory.')
-    args = parser.parse_args()
-    with make_temp_directory() as temp_dir:
-        archive_file = fetch_apache_ant_url(args.apache_ant_url, temp_dir)
-        pkg_dir = uncompress_contents(
-            temp_dir, archive_file, args.apache_ant_url.directory_name, '/usr/local/ant')
-        etc_paths_d_dir = os.path.join(pkg_dir, 'etc', 'paths.d')
-        write_paths_d_entry(etc_paths_d_dir, 'org.apache.ant')
-        pkg_identifier = 'org.apache.ant'
-        output_pkg_path = os.path.join(
-            args.output_dir, args.apache_ant_url.directory_name + '.pkg')
-        make_pkg(pkg_dir, pkg_identifier, args.apache_ant_url.version, output_pkg_path)
-
-if __name__ == '__main__':
-    main()