title: How to run "make install" from Xcode
body: <p>I have custom Makefile and External build target in Xcode.
  When I click "Build" it runs "make"
  When I click "Clear" it runs "make clean"</p>
  
  <p>How to run "make install" (or any other target) from Xcode?</p>
  
  <p>(btw, this is AVR project and xcode project file was created using avr-project tool shipped with Crosspack-AVR)</p>