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Today's Topics:

   1. [mingw] #39139: widl generates invalid typelib when an
      interface extends IAccessible (MinGW Notification List)
   2. [mingw] #39139: widl generates invalid typelib when an
      interface extends IAccessible (MinGW Notification List)


----------------------------------------------------------------------

Message: 1
Date: Wed, 17 Apr 2019 07:14:34 +0900
From: MinGW Notification List <[email protected]>
To: OSDN Ticket System <[email protected]>
Subject: [MinGW-Notify] [mingw] #39139: widl generates invalid typelib
        when an interface extends IAccessible
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8

#39139: widl generates invalid typelib when an interface extends IAccessible

  Open Date: 2019-04-17 07:14
Last Update: 2019-04-17 07:14

URL for this Ticket:
    https://osdn.net//projects/mingw/ticket/39139
RSS feed for this Ticket:
    https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39139

---------------------------------------------------------------------

Last Changes/Comment on this Ticket:
2019-04-17 07:14 Updated by: pospeselr
 * New Ticket "widl generates invalid typelib when an interface extends
IAccessible" created



---------------------------------------------------------------------
Ticket Status:

      Reporter: pospeselr
         Owner: (None)
          Type: Issues
        Status: Open
      Priority: 5 - Medium
     MileStone: (None)
     Component: OTHER
      Severity: 5 - Medium
    Resolution: None
---------------------------------------------------------------------

Ticket details:

Background:

We're attempting to add accessibility support to Firefox when building with the
mingw toolchain which requires implementing the IAccessibility2 interface.
However, the typelib (tlb) file that ends up getting generated is invalidated.
The generated tlb be partially loaded using oleview.exe but throws up several
TYPE_E_ELEMENTNOTFOUND errors and the inherited interfaces are apparently not
defined. The interfaces with invalid/undefined inherited interfaces varies
depending on the order in which the child interfaces are defined in the source
IDL.

Reproduction:

I've created a min-repro here: https://github.com/pospeselr/mingw-widl-bug
(you'll need to update the Makefile to point to your local instance of widl)

I tested this with the latest mingw ( commit
c61763cc740f8f4986755eeafce832baa3655ee8 ) which uses widl version 4.5.

Links:

Mozilla bug tracking mingw accessibility issues: https://bugzilla.mozilla.org/
show_bug.cgi?id=1520177 WineHQ bug: https://bugs.winehq.org/show_bug.cgi?id=
47031



-- 
Ticket information of MinGW - Minimalist GNU for Windows project
MinGW - Minimalist GNU for Windows Project is hosted on OSDN

Project URL: https://osdn.net/projects/mingw/
OSDN: https://osdn.net

URL for this Ticket:
    https://osdn.net/projects/mingw/ticket/39139
RSS feed for this Ticket:
    https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39139


------------------------------

Message: 2
Date: Wed, 17 Apr 2019 07:15:46 +0900
From: MinGW Notification List <[email protected]>
To: OSDN Ticket System <[email protected]>
Subject: [MinGW-Notify] [mingw] #39139: widl generates invalid typelib
        when an interface extends IAccessible
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8

#39139: widl generates invalid typelib when an interface extends IAccessible

  Open Date: 2019-04-17 07:14
Last Update: 2019-04-17 07:15

URL for this Ticket:
    https://osdn.net//projects/mingw/ticket/39139
RSS feed for this Ticket:
    https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39139

---------------------------------------------------------------------

Last Changes/Comment on this Ticket:
2019-04-17 07:15 Updated by: pospeselr
 * Details Updated



---------------------------------------------------------------------
Ticket Status:

      Reporter: pospeselr
         Owner: (None)
          Type: Issues
        Status: Open
      Priority: 5 - Medium
     MileStone: (None)
     Component: OTHER
      Severity: 5 - Medium
    Resolution: None
---------------------------------------------------------------------

Ticket details:

Background:

We're attempting to add accessibility support to Firefox when building with the
mingw toolchain which requires implementing the IAccessibility2 interface.
However, the typelib (tlb) file that ends up getting generated is invalidated.
The generated tlb be partially loaded using oleview.exe but throws up several
TYPE_E_ELEMENTNOTFOUND errors and the inherited interfaces are apparently not
defined. The interfaces with invalid/undefined inherited interfaces varies
depending on the order in which the child interfaces are defined in the source
IDL.

Reproduction:

I've created a min-repro here: https://github.com/pospeselr/mingw-widl-bug
(you'll need to update the Makefile to point to your local instance of widl)

I tested this with the latest mingw ( commit
c61763cc740f8f4986755eeafce832baa3655ee8 ) which uses widl version 4.5.

Links:

Mozilla bug tracking mingw accessibility issues: https://bugzilla.mozilla.org/
show_bug.cgi?id=1520177

WineHQ bug: https://bugs.winehq.org/show_bug.cgi?id=47031



-- 
Ticket information of MinGW - Minimalist GNU for Windows project
MinGW - Minimalist GNU for Windows Project is hosted on OSDN

Project URL: https://osdn.net/projects/mingw/
OSDN: https://osdn.net

URL for this Ticket:
    https://osdn.net/projects/mingw/ticket/39139
RSS feed for this Ticket:
    https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39139


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