Error:Execution failed for task ':openCVSamplefacedetection:compileArmDebugNdk'.
com.android.ide.common.internal.LoggedErrorException: Failed to run command: D:\OpenCV-2.4.10-android-sdk\android-ndk-r10d\ndk-build.cmd NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=E:\android_project\CastorYan\AndroidStudioProjects\face-detection\openCVSamplefacedetection\build\intermediates\ndk\arm\debug\Android.mk APP_PLATFORM=android-14 NDK_OUT=E:\android_project\CastorYan\AndroidStudioProjects\face-detection\openCVSamplefacedetection\build\intermediates\ndk\arm\debug\obj NDK_LIBS_OUT=E:\android_project\CastorYan\AndroidStudioProjects\face-detection\openCVSamplefacedetection\build\intermediates\ndk\arm\debug\lib APP_ABI=armeabi Error Code: 2 Output: make.exe: *** No rule to make target
E:\android_project\CastorYan\AndroidStudioProjects\face-detection\openCVSamplefacedetection\build\intermediates\ndk\arm\debug\obj/local/armeabi/objs/detection_based_tracker/E_\android_project\CastorYan\AndroidStudioProjects\face-detection\openCVSamplefacedetection\src\main\jni', needed by
E:\android_project\CastorYan\AndroidStudioProjects\face-detection\openCVSamplefacedetection\build\intermediates\ndk\arm\debug\obj/local/armeabi/objs/detection_based_tracker/E_\android_project\CastorYan\AndroidStudioProjects\face-detection\openCVSamplefacedetection\src\main\jni\DetectionBasedTracker_jni.o'. Stop.