They are a list of what files you need to build what files. debian unstable. . h 3. The best answers to the question " If conditions in a Makefile , inside a target" in the category Dev. . rails migration change type of column. 7. Below we create an objects lists from the list of sources by replacing all entries that end with. If you will issue a command make clean then it removes all the object files and core files available in the current directory. CC ifndef CC CC gcc endif all echo (CC) When parsed by Make, the Makefile above will always echo gcc.