saint@saint-desktop:~/Development/Rockbox/development/rockbox/build$ echo $ANDROID_NDK_PATH 
/home/saint/Development/Android/android-ndk-r8d
saint@saint-desktop:~/Development/Rockbox/development/rockbox/build$ echo $ANDROID_SDK_PATH 
/home/saint/Development/Android/adt-bundle-linux-x86_64/sdk
saint@saint-desktop:~/Development/Rockbox/development/rockbox/build$