[Bug 52381] New: wineg++: Compile error in tom.h

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52381

            Bug ID: 52381
           Summary: wineg++: Compile error in tom.h
           Product: Wine
           Version: 6.19
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winelib
          Assignee: wine-bugs at winehq.org
          Reporter: sacrom at gmail.com
      Distribution: ---

Compiling an application based in winelib (copiled with wineg++), since Wine
6.19 causes a compile error at header "tom.h".

I've narrowed and minified the source file to generate the error.

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

[sc at generic_linux1_64]/sc/tmp/wine$ cat compile_error.c 
#include <windows.h>
#include <tom.h>

int main()
{ return 0; }

[sc at generic_linux1_64]/sc/tmp/wine$ wine --version
wine-6.19

[sc at generic_linux1_64]/sc/tmp/wine$ winegcc compile_error.c 

[sc at generic_linux1_64]/sc/tmp/wine$ wineg++ compile_error.c 
In file included from compile_error.c:2:
/opt/wine-devel/include/wine/windows/tom.h:1889:22: error: invalid use of
incomplete type ‘struct ITextSelection’
 1889 | ITextRange2 : public ITextSelection
      |                      ^~~~~~~~~~~~~~
In file included from compile_error.c:2:
/opt/wine-devel/include/wine/windows/tom.h:79:19: note: forward declaration of
‘struct ITextSelection’
   79 | typedef interface ITextSelection ITextSelection;
      |                   ^~~~~~~~~~~~~~
winegcc: /usr/bin/g++ failed

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

While in Wine 6.18:

[sc at generic_linux1_64]/sc/tmp/wine$ wine --version
wine-6.18
[sc at generic_linux1_64]/sc/tmp/wine$ winegcc compile_error.c 
[sc at generic_linux1_64]/sc/tmp/wine$ wineg++ compile_error.c 
[sc at generic_linux1_64]/sc/tmp/wine$ cat compile_error.c 
#include <windows.h>
#include <tom.h>

int main()
{ return 0; }

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

Probably the cause lies in this commit:
https://source.winehq.org/git/wine.git/commit/5a8dcb062793fbb68997e1b54ebc2666a2b2834d

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