mirror of https://gitee.com/openkylin/ant.git
53 lines
1.9 KiB
HTML
53 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<html lang="en">
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<head>
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<link rel="stylesheet" type="text/css" href="stylesheets/style.css">
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<title>Properties controlling javac</title>
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</head>
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<body>
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<p>The <var>source</var> and <var>target</var> attributes
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of <code><javac></code> don't have any default values for
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historical reasons. Since the underlying <kbd>javac</kbd>
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compiler defaults depends on the JDK you use, you may encounter
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build files that don't explicitly set those attributes and that will
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no longer compile using a newer JDK. If you cannot change the build
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file, Apache Ant provides two properties that help you setting
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default values for these attributes. If the attributes have been
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set explicitly, the properties listed here will be ignored.</p>
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<h2 id="source">ant.build.javac.source</h2>
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<p><em>Since Ant 1.7</em></p>
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<p>Provides a default value for <code><javac></code>'s
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and <code><javadoc></code>'s <var>source</var> attribute.</p>
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<h2 id="target">ant.build.javac.target</h2>
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<p><em>Since Ant 1.7</em></p>
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<p>Provides a default value
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for <code><javac></code>'s <var>target</var> attribute.</p>
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</body>
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</html>
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