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# -*-perl-*-
$description = "Test the -n option.\n";
$details = "Try various uses of -n and ensure they all give the correct results.\n";
open(MAKEFILE, "> $makefile");
# The Contents of the MAKEFILE ...
print MAKEFILE <<'EOMAKE';
final: intermediate ; echo >> $@
intermediate: orig ; echo >> $@
EOMAKE
close(MAKEFILE);
&touch('orig');
# TEST 0
&run_make_with_options($makefile, "", &get_logfile);
$answer = "echo >> intermediate\necho >> final\n";
&compare_output($answer, &get_logfile(1));
# TEST 1
&run_make_with_options($makefile, "-Worig -n", &get_logfile);
$answer = "echo >> intermediate\necho >> final\n";
&compare_output($answer, &get_logfile(1));
unlink('orig', 'intermediate', 'final');
# We consider the actual updated timestamp of targets with all
# recursive commands, even with -n.
$makefile2 = &get_tmpfile;
open(MAKEFILE, "> $makefile2");
print MAKEFILE <<'EOF';
.SUFFIXES:
BAR = # nothing
FOO = +$(BAR)
a: b; echo > $@
b: c; $(FOO)
EOF
close(MAKEFILE);
&utouch(-20, 'b');
&utouch(-10, 'a');
&touch('c');
# TEST 2
&run_make_with_options($makefile2, "", &get_logfile);
$answer = "$make_name: `a' is up to date.\n";
&compare_output($answer, &get_logfile(1));
# TEST 3
&run_make_with_options($makefile2, "-n", &get_logfile);
$answer = "$make_name: `a' is up to date.\n";
&compare_output($answer, &get_logfile(1));
unlink('a', 'b', 'c');
1;
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