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# -*-perl-*-
$description = "Test make -W (what if) option.\n";
# Basic build
run_make_test('
a.x: b.x
a.x b.x: ; echo >> $@
',
'', "echo >> b.x\necho >> a.x");
# Run it again: nothing should happen
run_make_test(undef, '', "#MAKE#: `a.x' is up to date.");
# Now run it with -W b.x: should rebuild a.x
run_make_test(undef, '-W b.x', 'echo >> a.x');
# Put the timestamp for a.x into the future; it should still be remade.
utouch(1000, 'a.x');
run_make_test(undef, '', "#MAKE#: `a.x' is up to date.");
run_make_test(undef, '-W b.x', 'echo >> a.x');
# Clean up
rmfiles('a.x', 'b.x');
# Test -W with the re-exec feature: we don't want to re-exec forever
# Savannah bug # 7566
# First set it up with a normal build
run_make_test('
all: baz.x ; @:
include foo.x
foo.x: bar.x
@echo "\$$(info restarts=\$$(MAKE_RESTARTS))" > $@
@echo "touch $@"
bar.x: ; echo >> $@
baz.x: bar.x ; @echo "touch $@"
',
'', '#MAKEFILE#:3: foo.x: No such file or directory
echo >> bar.x
touch foo.x
restarts=1
touch baz.x');
# Now run with -W bar.x
# Tweak foo.x's timestamp so the update will change it.
&utouch(1000, 'foo.x');
run_make_test(undef, '-W bar.x', "restarts=\ntouch foo.x\nrestarts=1\ntouch baz.x");
rmfiles('foo.x', 'bar.x');
1;
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