source: kBuild/branches/GNU/src/gmake/tests/scripts/options/dash-B@ 284

#                                                                    -*-perl-*-

$description = "Test make -B (always remake) option.\n";

$details = "\
Construct a simple makefile that builds a target.
Invoke make once, so it builds everything.  Invoke it again and verify
that nothing is built.  Then invoke it with -B and verify that everything
is built again.";

&touch('bar.x');

run_make_test('
.SUFFIXES:

.PHONY: all
all: foo

foo: bar.x
        @echo cp $< $@
        @echo "" > $@
',
              '', 'cp bar.x foo');

run_make_test(undef, '', "#MAKE#: Nothing to be done for `all'.");
run_make_test(undef, '-B', 'cp bar.x foo');

# Put the timestamp for foo into the future; it should still be remade.

utouch(1000, 'foo');
run_make_test(undef, '', "#MAKE#: Nothing to be done for `all'.");
run_make_test(undef, '-B', 'cp bar.x foo');


# Clean up

rmfiles('bar.x', 'foo');

1;