1 #! [0] #! [1]

     2 DESTDIR = $$(PWD)

     3 message(The project will be installed in $$DESTDIR)

     4 #! [0]

     5 

     6 DESTDIR = $(PWD)

     7 message(The project will be installed in the value of PWD)

     8 message(when the Makefile is processed.)

     9 #! [1]