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Hello I am new to Android and I am trying to build the hello-jni sample that is included in the NDK but I get the error below, any idea how to fix it?

15:57:10 ** Build of configuration Default for project HelloJni ** /media/Project/adt-bundle-linux-x86-20131030/adt-bundle-linux-x86-20131030/android-ndk-r9c/ndk-build all Android NDK: WARNING: APP_PLATFORM android-19 is larger than android:minSdkVersion 3 in ./AndroidManifest.xml [armeabi-v7a] Compile thumb : hello-jni <= hello-jni.c arm-linux-androideabi-gcc: error trying to exec '/media/Project/adt-bundle-linux-x86-20131030/adt-bundle-linux-x86-20131030/android-ndk-r9c/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/as': execv: Exec format error make: * [obj/local/armeabi-v7a/objs/hello-jni/hello-jni.o] Error 1

15:57:10 Build Finished (took 230ms)

This is what I am using:

  • Ubuntu 10.04.4
  • ADT bundle for linux (v22.3.0-887826)
  • NDK r9c

Thanks in advance

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  • Are you on a 64-bit system? If so, you likely need the 32-bit compatibility package to run the toolchain. An "Exec format error" usually indicates you are trying to run a binary built for a different ABI from that of your system. Commented Jan 29, 2014 at 17:11
  • I am not sure how to check if I have 32-bit or 64-bit but uname -m returned i686 which I think means 32-bit. I downloaded the following files from android developer site: adt-bundle-linux-x86-20131030.zip and android-ndk-r9c-linux-x86.tar.tar. I unpacked them on a windows machine before moving them over to my ubuntu VM because it is a bit slow, I hope that does not matter. Commented Jan 30, 2014 at 8:21

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The WARNING is correct, and should be ignored.

Regarding the gcc error, you probably have a problem with installation of NDK. How did you unpack it? Check 

ls -l /media/Project/adt-bundle-linux-x86-20131030/adt-bundle-linux-x86-20131030/android-ndk-r9c/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/arm-linux-androideabi/bin/as

This should be a symbolic link to ../../bin/arm-linux-androideabi-as, and both should have executable permissions.

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5 Comments

I executed the ls command and got the following output: -rwxrwxrwx 1 ccs ccs 34 2013-10-09 02:53 /media/Project/adt-bundle-linux-x86-20131030/adt-bundle-linux-x86-20131030/android-ndk-r9c/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/arm-linux-androideabi/bin/as I checked the as-file, in a text editor, located in the bin folder and it said ../../bin/arm-linux-androideabi-as. Both the as-file and arm-linux-androideabi-as file had Allow executing file as program checked. This is correct? I unpacked the NDK on a x64 Win7 machine using 7-zip before I moved it to my ubuntu VM.
You should unpack the android-ndk-r9c-linux-x86_64.tar.bz2 in Ubuntu, and make sure that the symbolic links are preserved.
Ok I will try that, but isn't x86_64 for 64-bit machines? See the comment in my first post. I downloaded the other NDK file (32-bit).
Yes, you should use the correct bitness version of NDK. Check uname -a in your VM to decide which.
Thank you very much, unpacking directly in Ubuntu solved the problem. I noticed that the symbolic links were like text-files in the package that was unpacked in Windows.

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