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