3 $description = "Test make -W (what if) option.\n";
11 '', "echo >> b.x\necho >> a.x");
13 # Run it again: nothing should happen
15 run_make_test(undef, '', "#MAKE#: 'a.x' is up to date.");
17 # Now run it with -W b.x: should rebuild a.x
19 run_make_test(undef, '-W b.x', 'echo >> a.x');
21 # Put the timestamp for a.x into the future; it should still be remade.
24 run_make_test(undef, '', "#MAKE#: 'a.x' is up to date.");
25 run_make_test(undef, '-W b.x', 'echo >> a.x');
29 rmfiles('a.x', 'b.x');
31 # Test -W with the re-exec feature: we don't want to re-exec forever
34 # First set it up with a normal build
40 @echo "\$$(info restarts=\$$(MAKE_RESTARTS))" > $@
43 baz.x: bar.x ; @echo "touch $@"
45 '', '#MAKEFILE#:3: foo.x: No such file or directory
51 # Now run with -W bar.x
53 # Tweak foo.x's timestamp so the update will change it.
54 &utouch(1000, 'foo.x');
56 run_make_test(undef, '-W bar.x', "restarts=\ntouch foo.x\nrestarts=1\ntouch baz.x");
58 rmfiles('foo.x', 'bar.x');
60 # Test -W on vpath-found files: it should take effect.
61 # Savannah bug # 15341
64 utouch(-20, 'x-dir/x');
70 '-W x-dir/x VPATH=x-dir',
73 # Make sure ./ stripping doesn't interfere with the match.
78 '-W ./x-dir/x VPATH=x-dir',
82 '-W x-dir/x VPATH=./x-dir',
85 unlink(qw(y x-dir/x));