 wish to
print out.<br>
Action:&nbsp;&nbsp;&nbsp; Echos the name of the variable that matches
the % and its value.<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; For
example, 'make gmsl-print-SHELL' will output the value of<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; the SHELL
variable<br>
</span>
<hr><b>assert</b><br>
<br>
<span style="font-family: monospace;">Arguments: 1: A boolean that must
be true or the assertion will fail<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;