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problem to build ndk in linux

i try to run sample but i got the problem to build my error is

 

Android NDK: ERROR:/home/sp-training10/Desktop/jigar_android/1st_oct/CylinderTargets/jni/Android.mk:QCAR-prebuilt: LOCAL_SRC_FILES points to a missing file    Android NDK: Check that /home/sp-training10/Desktop/jigar_android/1st_oct/CylinderTargets/jni/../../../build/lib/armeabi/libQCAR.so exists  or that its path is correct   /home/sp-training10/Desktop/adt-bundle-linux-x86-20130729/l-sdk/android-ndk-r9/build/core/prebuilt-library.mk:45: *** Android NDK: Aborting    .  Stop. plz give me the solution for this