1 # -*-perl-*- 2 3 $description = "Test the -L option."; 4 5 $details = "Verify that symlink handling with and without -L works properly."; 6 7 # Only run these tests if the system sypports symlinks 8 9 # Apparently the Windows port of Perl reports that it does support symlinks 10 # (in that the symlink() function doesn't fail) but it really doesn't, so 11 # check for it explicitly. 12 13 if ($port_type eq 'W32' || !( eval { symlink("",""); 1 })) { 14 # This test is N/A 15 -1; 16 } else { 17 18 # Set up a symlink sym -> dep 19 # We'll make both dep and targ older than sym 20 $pwd =~ m%/([^/]+)$%; 21 $dirnm = $1; 22 &utouch(-10, 'dep'); 23 &utouch(-5, 'targ'); 24 symlink("../$dirnm/dep", 'sym'); 25 26 # Without -L, nothing should happen 27 # With -L, it should update targ 28 run_make_test('targ: sym ; @echo make $@ from $<', '', 29 "#MAKE#: `targ' is up to date."); 30 run_make_test(undef, '-L', "make targ from sym"); 31 32 # Now update dep; in all cases targ should be out of date. 33 &touch('dep'); 34 run_make_test(undef, '', "make targ from sym"); 35 run_make_test(undef, '-L', "make targ from sym"); 36 37 # Now update targ; in all cases targ should be up to date. 38 &touch('targ'); 39 run_make_test(undef, '', "#MAKE#: `targ' is up to date."); 40 run_make_test(undef, '-L', "#MAKE#: `targ' is up to date."); 41 42 # Add in a new link between sym and dep. Be sure it's newer than targ. 43 sleep(1); 44 rename('dep', 'dep1'); 45 symlink('dep1', 'dep'); 46 47 # Without -L, nothing should happen 48 # With -L, it should update targ 49 run_make_test(undef, '', "#MAKE#: `targ' is up to date."); 50 run_make_test(undef, '-L', "make targ from sym"); 51 52 rmfiles('targ', 'dep', 'sym', 'dep1'); 53 54 # Check handling when symlinks point to non-existent files. Without -L we 55 # should get an error: with -L we should use the timestamp of the symlink. 56 57 symlink("../$dirname/dep", 'sym'); 58 run_make_test('targ: sym ; @echo make $@ from $<', '', 59 "#MAKE#: *** No rule to make target `sym', needed by `targ'. Stop.", 512); 60 61 run_make_test('targ: sym ; @echo make $@ from $<', '-L', 62 'make targ from sym'); 63 64 65 rmfiles('targ', 'sym'); 66 67 1; 68 } 69