AndEngine/build.xml at master · caoanhhao/AndEngine · GitHub

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<?xml version="1.0" encoding="UTF-8"?>
<project name="AndEngine" default="help">
    <!-- Ant contrib -->
    <taskdef resource="net/sf/antcontrib/antlib.xml">
        <classpath>
            <pathelement location="./ext/libs/ant-contrib-1.0b3.jar"/>
        </classpath>
    </taskdef>

    <!-- Boilerplate -->
    <loadproperties srcFile="local.properties"/>
    <property file="ant.properties"/>
    <property environment="env"/>
    <condition property="sdk.dir" value="${env.ANDROID_HOME}">
        <isset property="env.ANDROID_HOME"/>
    </condition>
    <loadproperties srcFile="project.properties"/>

    <!-- Quick check if sdk.dir exists -->
    <fail message="sdk.dir is missing. Make sure to generate local.properties using 'android update project' or to inject it through the ANDROID_HOME environment variable." unless="sdk.dir"/>

    <!-- Macros -->
    <macrodef name="property-require" description="Check if a property is set and not empty.">
        <attribute name="property"/>
        <sequential>
            <fail message="Property '@{property}' must be set!">
                <condition>
                    <not>
                        <isset property="@{property}"/>
                    </not>
                </condition>
            </fail>
            <fail message="Property '@{property}' must not be empty!">
                <condition>
                    <equals arg1="${@{property}}" arg2=""/>
                </condition>
            </fail>
        </sequential>
    </macrodef>

    <!-- Targets -->
    <target name="build-native" depends="-pre-build-native,-clean-native,-build-native"/>

    <target name="-pre-build-native">
        <property-require property="ndk"/>

        <condition property="do.build-native">
            <equals arg1="${ndk}" arg2="true"/>
        </condition>
        <condition property="do.clean-native">
            <not>
                <equals arg1="${ndk}" arg2="true"/>
            </not>
        </condition>
    </target>

    <target name="-build-native" if="do.build-native">
        <exec executable="${ndk.dir}/ndk-build" failonerror="true">
            <!-- 8 Threads -->
            <arg value="-j8"/>
        </exec>
    </target>

    <target name="-clean-native" depends="android_rules.clean" if="do.clean-native">
        <exec executable="${ndk.dir}/ndk-build" failonerror="true">
            <arg value="clean"/>
        </exec>
    </target>

    <target name="-pre-build">
        <antcall target="build-native"/>
    </target>

    <!-- version-tag: custom -->
    <import file="${sdk.dir}/tools/ant/build.xml"/>
</project>