title: Compilation problem using PJSIP
body: <p>iam getting the following errors when compiling  PJSIP</p>
  
  <p>Makefile:1: build.mak: No such file or directory
  Makefile:2: build/host-.mak: No such file or directory</p>
  
  <p>I am new to this iphone development.Please help.</p>