source: kBuild/branches/GNU/src/gmake/tests/scripts/targets/FORCE@ 284

$description = "The following tests rules without Commands or Dependencies.";

$details = "If the rule ...\n";

if ($vos)
{
   $delete_command = "delete_file";
}
else
{
   $delete_command = "rm";
}

open(MAKEFILE,"> $makefile");

# The Contents of the MAKEFILE ...

print MAKEFILE ".IGNORE :\n";
print MAKEFILE "clean: FORCE\n";
print MAKEFILE "\t$delete_command clean\n";
print MAKEFILE "FORCE:\n";

# END of Contents of MAKEFILE

close(MAKEFILE);


# Create a file named "clean".  This is the same name as the target clean
# and tricks the target into thinking that it is up to date.  (Unless you
# use the .PHONY target.
&touch("clean");

$answer = "$delete_command clean\n";
&run_make_with_options($makefile,"clean",&get_logfile);

&compare_output($answer,&get_logfile(1));

1;