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digitalmars.D.bugs - [Issue 7016] New: local import does not create -deps dependency

reply d-bugmail puremagic.com writes:
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
----------------------------------------------------------------------------
                 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
----------------------------------------------------------------------------
                 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. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
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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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