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<?xml version="1.0" encoding="UTF-8"?>

<!-- Current minimum requirements are:
        - Java 1.6 (Level 6.0)
        - Android SDK API Level 9 (Version 2.3 Gingerbread)

     Official production builds are performed w/ Java 1.6.
        - Java 1.6 (Level 6.0)
        - Android SDK API Level 9 (Version 2.3 Gingerbread)

     Android supports Java language level 6.0.
     Nevertheless, it cannot be guaranteed whether the Android API
     supports all classes and methods of Java 1.6.
     It is required for JogAmp developers to validate Android compatibility
     by an Android crosscompilation build.

     Current GlueGen code utilizes some minor Java 1.6 features
     which could be replaced, however it's not desired at this point
     since we have no mode hard Java 1.5 constraints.
  -->

<project name="jogamp-env" basedir=".">

  <target name="jogamp.env.validation">
    <echo message="ant.version                ${ant.version}"/>
    <echo message="ant.java.version           ${ant.java.version}"/>
    <echo message="java.version               ${java.version}"/>
    <echo message="java.home                  ${java.home}"/>

    <fail message="Please build using Ant 1.8.0 or higher.">
      <condition>
          <not>
              <antversion atleast="1.8.0"/>
          </not>
      </condition>
    </fail>

    <fail message="Unsupported Java version: ${ant.java.version}. Make sure that the version of the Java compiler is 1.6 (6.0) or greater.">
        <condition>
            <not>
                <or>
                    <contains string="${ant.java.version}" substring="1.6" casesensitive="false" />
                    <contains string="${ant.java.version}" substring="1.7" casesensitive="false" />
                    <contains string="${ant.java.version}" substring="1.8" casesensitive="false" />
                </or>
            </not>
        </condition>
    </fail>

  </target>

  <target name="jogamp.env.init" depends="jogamp.env.validation">
    <property environment="env" />

    <!-- only set 'build.archiveon' if set in environment to trigger archive creation -->
    <condition property="build.archiveon" value="${env.BUILD_ARCHIVE}">
        <istrue value="${env.BUILD_ARCHIVE}"/>
    </condition>

    <condition property="build.node.name" value="${env.NODE_NAME}" else="local">
        <not>
         <equals arg1="${env.NODE_NAME}" arg2="$${env.NODE_NAME}" casesensitive="true" />
        </not>
    </condition>

    <condition property="android.version" value="${env.ANDROID_VERSION}" else="9">
        <not>
         <equals arg1="${env.ANDROID_VERSION}" arg2="$${env.ANDROID_VERSION}" casesensitive="true" />
        </not>
    </condition>

    <condition property="target.sourcelevel" value="${env.SOURCE_LEVEL}">
        <not>
         <equals arg1="${env.SOURCE_LEVEL}" arg2="$${env.SOURCE_LEVEL}" casesensitive="true" />
        </not>
    </condition>

    <condition property="target.targetlevel" value="${env.TARGET_LEVEL}">
        <not>
         <equals arg1="${env.TARGET_LEVEL}" arg2="$${env.TARGET_LEVEL}" casesensitive="true" />
        </not>
    </condition>

    <condition property="target.rt.jar" value="${env.TARGET_RT_JAR}">
        <not>
         <equals arg1="${env.TARGET_RT_JAR}" arg2="$${env.TARGET_RT_JAR}" casesensitive="true" />
        </not>
    </condition>

    <fail message="You need to specify all properties 'target.sourcelevel', 'target.targetlevel' and 'target.rt.jar' or none at all.">
      <condition>
        <and>
            <or>
              <isset property="target.sourcelevel"/>
              <isset property="target.targetlevel"/>
              <isset property="target.rt.jar"/>
            </or>
            <not>
              <and>
                  <isset property="target.sourcelevel"/>
                  <isset property="target.targetlevel"/>
                  <isset property="target.rt.jar"/>
              </and>
            </not>
        </and>
      </condition>
    </fail>

    <condition property="target.user.set" value="true">
          <and>
              <isset property="target.sourcelevel"/>
              <isset property="target.targetlevel"/>
              <isset property="target.rt.jar"/>
          </and>
    </condition>

    <property name="target.sourcelevel" value="${ant.java.version}" />      <!-- default fallback values -->
    <property name="target.targetlevel" value="${ant.java.version}" />      <!-- default fallback values -->
    <property name="target.rt.jar"      value="${java.home}/lib/rt.jar" />  <!-- default fallback values -->
    <echo message="target.user.set            ${target.user.set}"/>
    <echo message="target.sourcelevel         ${target.sourcelevel}"/>
    <echo message="target.targetlevel         ${target.targetlevel}"/>
    <echo message="target.rt.jar              ${target.rt.jar}"/>

    <property name="host.sourcelevel"         value="${ant.java.version}" />      <!-- default values for compile time components -->
    <property name="host.targetlevel"         value="${ant.java.version}" />      <!-- default values for compile time components -->
    <property name="host.rt.jar"              value="${java.home}/lib/rt.jar" />  <!-- default values for compile time components -->
    <echo message="host.sourcelevel           ${host.sourcelevel}"/>
    <echo message="host.targetlevel           ${host.targetlevel}"/>
    <echo message="host.rt.jar                ${host.rt.jar}"/>

    <fail message="Unsupported Target Java version (sourcelevel): ${target.sourcelevel}. Make sure that the version of the Java compiler is 1.6 (6.0) or greater.">
        <condition>
            <not>
                <or>
                    <contains string="${target.sourcelevel}" substring="1.6" casesensitive="false" />
                    <contains string="${target.sourcelevel}" substring="1.7" casesensitive="false" />
                    <contains string="${target.sourcelevel}" substring="1.8" casesensitive="false" />
                </or>
            </not>
        </condition>
    </fail>
    <fail message="Unsupported Target Java version (targetlevel): ${target.targetlevel}. Make sure that the version of the Java compiler is 1.6 (6.0) or greater.">
        <condition>
            <not>
                <or>
                    <contains string="${target.targetlevel}" substring="1.6" casesensitive="false" />
                    <contains string="${target.targetlevel}" substring="1.7" casesensitive="false" />
                    <contains string="${target.targetlevel}" substring="1.8" casesensitive="false" />
                </or>
            </not>
        </condition>
    </fail>

    <property name="javacdebug"       value="true" /> 
    <property name="javacdebuglevel"  value="source,lines" /> 
    <!--property name="javacdebuglevel"  value="source,lines,vars" /--> 
    <!-- property name="javac.memorymax"  value="128m" /-->  <!-- I ran out of memory with these .. linux x86_64 6u14 -->
    <property name="javac.memorymax"  value="1024m" /> 

    <echo message="javacdebug                 ${javacdebug}"/>
    <echo message="javacdebuglevel            ${javacdebuglevel}"/>
    <echo message="javac.memorymax            ${javac.memorymax}"/>

    <echo message="build.archiveon            ${build.archiveon}"/>
    <echo message="build.node.name            ${build.node.name}"/>

    <echo message="android.version            ${android.version}"/>

  </target>

</project>