use ant to compile jassimp

.travis.yml

@@ -42,4 +42,4 @@ script:
   - echo "=========================================================="
   - echo "REGRESSION TEST FAILS (results/run_regression_suite_failures.csv)"
   - cat ../results/run_regression_suite_failures.csv
-
+  - if [ $ANDROID ]; then ant -v -Dbasedir=${TRAVIS_BUILD_DIR} -f port/jassimp/build.xml ndk-jni ; fi

port/jassimp/build.xml

@@ -1,45 +1,53 @@
 <project name="jassimp" basedir="." default="all">
-  <property name="native-src.dir" value="jassimp-native/src" />
-  <property name="src.dir" value="jassimp/src" />
-  <property name="jassimp.lwjgl-src.dir" value="jassimp.lwjgl/src" />
-  <property name="build.dir" value="jassimp/bin" />
-  <property name="dist.dir" value="dist" />
-  <property name="doc.dir" value="doc" />
-  
-  <path id="classpath">
-  </path>
+	<property name="native-src.dir" value="jassimp-native/src" />
+	<property name="src.dir" value="jassimp/src" />
+	<property name="jassimp.lwjgl-src.dir" value="jassimp.lwjgl/src" />
+	<property name="build.dir" value="jassimp/bin" />
+	<property name="dist.dir" value="dist" />
+	<property name="doc.dir" value="doc" />
+	<property environment="env"/>
+	<property name="ndk.dir" value="${env.NDK_HOME}" />
 
-  <target name="compile">
-    <delete dir="${build.dir}" />
-    <mkdir dir="${build.dir}" />
-    <javac classpathref="classpath" destdir="${build.dir}" srcdir="${src.dir}"
-      source="1.6" target="1.6" includeantruntime="false">
-    </javac>
-  </target>
+	<path id="classpath">
+	</path>
 
-  <target name="jni_header">
-    <mkdir dir="${native-src.dir}" />
-    <javah outputfile="${native-src.dir}/jassimp.h" force="yes">
-      <classpath>
-        <pathelement path="${build.dir}" />
-      </classpath>
-      <class name="jassimp.Jassimp" />
-    </javah>
-  </target>
-  
-  <target name="package" depends="compile">
-    <jar destfile="${dist.dir}/jassimp.jar" basedir="${build.dir}">
-    </jar>
-  </target>
-  
-  
-  <target name="doc">
-    <delete dir="${doc.dir}" />
-    <javadoc access="public" author="false" destdir="${doc.dir}"
-      sourcepath="${src.dir}">
-    </javadoc>
-  </target>
-  
-  <target name="all" depends="package, doc">
-  </target>
-</project>
+	<target name="compile">
+		<delete dir="${build.dir}" />
+		<mkdir dir="${build.dir}" />
+		<javac classpathref="classpath" destdir="${build.dir}" srcdir="${src.dir}"
+			source="1.6" target="1.6" includeantruntime="false">
+		</javac>
+	</target>
+
+	<target name="jni_header">
+		<mkdir dir="${native-src.dir}" />
+		<javah outputfile="${native-src.dir}/jassimp.h" force="yes">
+			<classpath>
+				<pathelement path="${build.dir}" />
+			</classpath>
+			<class name="jassimp.Jassimp" />
+		</javah>
+	</target>
+
+	<target name="ndk-jni">
+		<exec executable="${ndk.dir}/ndk-build">
+			<arg line="all NDK_PROJECT_PATH=workspaces/Android-NDK"/>
+		</exec>
+	</target>
+
+	<target name="package" depends="compile">
+		<jar destfile="${dist.dir}/jassimp.jar" basedir="${build.dir}">
+		</jar>
+	</target>
+
+
+	<target name="doc">
+		<delete dir="${doc.dir}" />
+		<javadoc access="public" author="false" destdir="${doc.dir}"
+			sourcepath="${src.dir}">
+		</javadoc>
+	</target>
+
+	<target name="all" depends="package, doc">
+	</target>
+</project>