title: error while building pjsip
body: <p>I am getting following error while building <code>pjsip</code>as mentioned in this <a href="http://trac.pjsip.org/repos/wiki/Getting-Started/Android" rel="nofollow">link</a></p>
  
  <pre><code>mypc-Mac-mini:android root# /Users/mypc/Documents/FMC/android-ndk-r9b/ndk-build 
  Android NDK: WARNING: APP_PLATFORM android-16 is larger than android:minSdkVersion 15   in ./AndroidManifest.xml    
   Android NDK: WARNING:jni/Android.mk:pjsua: non-system libraries in linker flags:         -lpjsua-arm-unknown-linux-androideabi -lpjsip-ua-arm-unknown-linux-    androideabi -lpjsip-        simple-arm-unknown-linux-androideabi -lpjsip-arm-unknown-linux-androideabi -lpjmedia-codec-arm-unknown-linux-androideabi -lpjmedia-arm-unknown-linux-androideabi -lpjmedia-videodev-arm-unknown-linux-androideabi -lpjmedia-audiodev-arm-unknown-linux-androideabi -lpjnath-arm-unknown-linux-androideabi -lpjlib-util-arm-unknown-linux-androideabi -lmilenage-arm-unknown-linux-androideabi -lsrtp-arm-unknown-linux-androideabi -lresample-arm-unknown-linux-androideabi -lgsmcodec-arm-unknown-linux-androideabi -lspeex-arm-unknown-linux-androideabi -lilbccodec-arm-unknown-linux-androideabi -lg7221codec-arm-unknown-linux-androideabi -lpj-arm-unknown-linux-androideabi -lgcc -lgcc    
  Android NDK:     This is likely to result in incorrect builds. Try using LOCAL_STATIC_LIBRARIES    
  Android NDK:     or LOCAL_SHARED_LIBRARIES instead to list the library dependencies of the    
  Android NDK:     current module    
  Invoking SWIG...
  /usr/local/bin/swig -c++ -o jni/pjsua_wrap.cpp -package org.pjsip.pjsua -outdir src/org/pjsip/pjsua -java jni/pjsua.i
  [armeabi] Compile++ thumb: pjsua &lt;= pjsua_wrap.cpp
  [armeabi] SharedLibrary  : libpjsua.so
  arm-linux-androideabi-g++: error: /Users/mypc/Documents/pjsip/pjsip-apps/build/output/pjsua-arm-unknown-linux-androideabi/pjsua_app.o: No such file or directory
  arm-linux-androideabi-g++: error: /Users/mypc/Documents/pjsip/pjsip-apps/build/output/pjsua-arm-unknown-linux-androideabi/pjsua_app_cli.o: No such file or directory
  arm-linux-androideabi-g++: error: /Users/mypc/Documents/pjsip/pjsip-apps/build/output/pjsua-arm-unknown-linux-androideabi/pjsua_app_common.o: No such file or directory
   arm-linux-androideabi-g++: error: /Users/mypc/Documents/pjsip/pjsip-apps/build/output/pjsua-arm-unknown-linux-androideabi/pjsua_app_config.o: No such file or directory
  arm-linux-androideabi-g++: error: /Users/mypc/Documents/pjsip/pjsip-apps/build/output/pjsua-arm-unknown-linux-androideabi/pjsua_app_legacy.o: No such file or directory
  make: *** [obj/local/armeabi/libpjsua.so] Error 1
  mypc-Mac-mini:android root# 
  </code></pre>
  
  <p>What could be the reason ?</p>