http://d.puremagic.com/issues/show_bug.cgi?id=7016

           Summary: local import does not create -deps dependency
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: thecybershadow@gmail.com


--- Comment #0 from Vladimir Panteleev <thecybershadow@gmail.com> 2011-11-25 21:19:34 PST ---
a.d : import b; void main() { f(); }
b.d : int f() { import c; return i; }
c.d : int i = 42;

The command
$ dmd -deps=a.deps -o- a.d
creates:
a (a.d) : public : object
(C:\\Soft\\dmd2d\\windows\\bin\\..\\..\\import\\druntime\\object.di)
b (b.d) : public : object
(C:\\Soft\\dmd2d\\windows\\bin\\..\\..\\import\\druntime\\object.di)
a (a.d) : public : b (b.d)

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Andrej Mitrovic <andrej.mitrovich@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |thelastmammoth@gmail.com


--- Comment #1 from Andrej Mitrovic <andrej.mitrovich@gmail.com> 2013-01-11 19:14:58 PST ---
*** Issue 8858 has been marked as a duplicate of this issue. ***

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--- Comment #2 from Andrej Mitrovic <andrej.mitrovich@gmail.com> 2013-01-11 19:15:13 PST ---
*** Issue 8856 has been marked as a duplicate of this issue. ***

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Andrej Mitrovic <andrej.mitrovich@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |andrej.mitrovich@gmail.com


--- Comment #3 from Andrej Mitrovic <andrej.mitrovich@gmail.com> 2013-04-07 11:13:38 PDT ---
Apparently it's because semantic isn't run on the dependencies. It's in Import::semantic where the import is printed.

You can verify this with that -rb feature.

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Martin Nowak <code@dawg.eu> changed:

           What    |Removed                     |Added
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                 CC|                            |code@dawg.eu


--- Comment #4 from Martin Nowak <code@dawg.eu> 2013-04-07 11:50:45 PDT ---
Right, semantic3 for imported functions is only run during the inline pass.

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jfanatiker@gmx.at changed:

           What    |Removed                     |Added
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                 CC|                            |jfanatiker@gmx.at


--- Comment #5 from jfanatiker@gmx.at 2013-04-17 05:46:19 PDT ---
I am not sure this really needs to be fixed:

b.d either needs to be built at some point, then the dependency is printed and can be gathered by tools or it does not get built, in this case it does not matter either, because any use of the function would need to be inlined, causing the dependency to be printed. If the function is not used at all, then the dependency also does not matter.

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--- Comment #6 from Vladimir Panteleev <thecybershadow@gmail.com> 2013-04-17 15:53:52 EEST ---
jfanatiker, the compiler is supposed to print the dependencies between all modules when given just the starting point. This is the purpose of the -deps switch, it is not intended to be run once for every module in the program. The same goes for the verbose output (-v).

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--- Comment #7 from jfanatiker@gmx.at 2013-04-17 06:10:03 PDT ---
(In reply to comment #6)
> jfanatiker, the compiler is supposed to print the dependencies between all modules when given just the starting point. This is the purpose of the -deps switch, it is not intended to be run once for every module in the program. The same goes for the verbose output (-v).

I see. You are right of course, I viewed it from an incremental build tool perspective, where it would not matter, but for rdmd this bug is of course a problem.

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--- Comment #8 from thelastmammoth@gmail.com 2013-07-11 23:26:15 PDT ---
see http://forum.dlang.org/post/mailman.1984.1373610213.13711.digitalmars-d@puremagic.com [fix for enumerating local import dependencies, resolving all rdmd link errors]

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