title: GNU Make dynamically created variable name
body: <p>This is my make recipe, I'm passing nonle value *, although bamboo_nonle_password variable is having password, still function is failing</p>
  
  <pre><code>validatevar.%: $(if $(IS_BAMBOO),)
          @echo "\n################################################################################"
          @echo "&gt;&gt;&gt; validatevar"
          @echo "&gt;&gt;&gt; Start: Validate bamboo variables "
  ifndef bamboo_$*_password
          @echo "Bamboo variable bamboo_$*_password is empty"
          exit 1
  endif
  ifndef bamboo_$*_server
          @echo "Bamboo variable bamboo_$*_server is empty"
          exit 1
  endif
          @echo "&lt;&lt;&lt; Done: validatevar"
          @echo "################################################################################\n\n"
  </code></pre>