ectories <CODE>lib</CODE> and <CODE>main</CODE>.
So your project looks like this nice piece of ASCII art.</P><PRE CLASS="verbatim">    my_project/
    |--&gt; Makefile
    `--&gt; src/
         |---&gt; Makefile
         |---&gt; lib/
         |     |---&gt; Makefile
         |     `---&gt; source files...
         `---&gt; main/
               |---&gt; Makefile
               `---&gt; source files...
</PRE><P>Typically, with GNU make, you would start an instance of <CODE>make</CODE> in <CODE>my_project/</C