title: ndk-build fails to build Superpowered audio library after recent NDK update
body: <p><strong>UPDATE March 19, 2016:</strong> Superpowered has released new binaries which work properly with NDK r11</p>
  
  <p>I'm trying to build Superpowered library CrossExample sample project in Android Studio. Until recent NDK update it worked like charm, but now execution of ndk-build gives an error:</p>
  
  <pre><code>Error:error: undefined reference to '__page_size'
  </code></pre>
  
  <p>I tried building with different toolchains, removing/adding several build flags with no luck so far. </p>
  
  <p>In a different project that uses Superpowered SDK and pretty much the same config I get some other error details. Part of output message log:</p>
  
  <pre><code>/android/ndk/platforms/android-9/arch-x86/usr/include/unistd.h:173: error: undefined reference to '__page_size'
  /android/ndk/platforms/android-9/arch-x86/usr/include/unistd.h:173: error: undefined reference to '__page_size'
  clang++: error: linker command failed with exit code 1 (use -v to see invocation)
  make: *** [/Users/user_name/StudioProjects/project_name/app/src/main/jniSuperpowered/obj/local/x86/libNativeLibName.so] Error 1
  make: *** Waiting for unfinished jobs....
  /Volumes/iMect/iphone/SuperpoweredSource/decoder/SuperpoweredDecoder.cpp:120: error: undefined reference to '__page_size'
  /Volumes/iMect/iphone/SuperpoweredSource/decoder/hlsreader.cpp:582: error: undefined reference to '__page_size'
  clang++: error: linker command failed with exit code 1 (use -v to see invocation)
  make: *** [/Users/user_name/StudioProjects/project_name/app/src/main/jniSuperpowered/obj/local/armeabi-v7a/libNightcorizerSuperpowered.so] Error 1
  FAILURE: Build failed with an exception.
  </code></pre>
  
  <p>What looks not right is undefined reference to __page_size in unistd.h . However I've got very little idea of further troubleshooting. </p>
  
  <p>Thanks ahead for any help/suggestions!</p>