make use of travis languages, build java jar too.

https://github.com/assimp/assimp/pull/505#issuecomment-84198261

.travis.yml

@@ -43,4 +43,4 @@ 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 ${TRAVIS_BUILD_DIR}/port/jassimp/build.xml ndk-jni ; fi
+  - if [ $ANDROID ]; then ant -v -Dmy.dir=${TRAVIS_BUILD_DIR} -f ${TRAVIS_BUILD_DIR}/port/jassimp/build.xml ndk-jni ; fi

port/jassimp/build.xml

@@ -7,6 +7,7 @@
 	<property name="doc.dir" value="doc" />
 	<property environment="env"/>
 	<property name="ndk.dir" value="${env.NDK_HOME}" />
+	<property name="my.dir" value="${env.PWD}" />
 
 	<path id="classpath">
 	</path>
@@ -29,9 +30,9 @@
 		</javah>
 	</target>
 
-	<target name="ndk-jni">
+	<target name="ndk-jni" depends="package">
 		<exec executable="${ndk.dir}/ndk-build">
-			<arg line="all NDK_PROJECT_PATH=workspaces/Android-NDK"/>
+			<arg line="all NDK_PROJECT_PATH=${my.dir}/workspaces/Android-NDK"/>
 		</exec>
 	</target>
 

workspaces/Android-NDK/jni/Application.mk

@@ -1,11 +1,8 @@
-# NDK_TOOLCHAIN_VERSION=clang # fails on IFCBoolean.cpp and GEOColorTable.h ???
-#NDK_TOOLCHAIN_VERSION=4.8
-#NDK_TOOLCHAIN_VERSION=4.7
-#NDK_TOOLCHAIN_VERSION=4.6
+ifeq ($(TRAVIS_LANGUAGE),clang)
+    NDK_TOOLCHAIN_VERSION := $(TRAVIS_LANGUAGE)
+    $(info "Use llvm Compiler")
+endif
 
-APP_ABI := all
-APP_ABI := x86
+APP_ABI := armeabi-v7a
 
 APP_STL := stlport_static
-
-#NDK_APP_OUT := /home/Video-HD/C-Backups/arris69_assimp.git/JassimpLibrary