[XviD-devel] DShow Build Issues

[Michael Militzer]

Hi Brendan,

I can still compile the dshow filter without issue using a mingw based on
gcc 3.4.6. So I'm surprised it doesn't work with your config.

What do the definitions of InterlockedDecrement() look like for you?

I have the following in winbase.h:

LONG WINAPI InterlockedDecrement(LPLONG);

And this in combase.h:

static inline LONG WINAPI InterlockedDecrement( volatile LONG * plong )
{ return InterlockedDecrement( const_cast<LONG*>( plong ) ); }

Regards,
Michael


Quoting Brendan Brewster <brendan.brewster at gmail.com>:

> I am having issues building the dshow module. The directx that I am using is
> the patched version of the software development kit update (summer 2003) and
> have used it in the past to build this module (probably years ago). A
> difference from that of the readme is that I am running an updated cygwin
> 1.5.25 that has gcc 3.4.4. The errors I get are as follows:
>
> $ make DXTREE=/cygdrive/d/dx90
>   D: =build
>   C: ./config.c
>   C: ./debug.c
>   C: ./Configure.cpp
> In file included from <command line>:10:
> /cygdrive/d/dx90/mingw_dshow_port.h:6:1: warning: "_WINGDI_" redefined
> In file included from
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/windows.h:52,
>                  from
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/rpc.h:2,
>                  from
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/wtypes.h:1,
>                  from /cygdrive/d/dx90/mingw_dshow_port.h:1,
>                  from <command line>:10:
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/wingdi.h:3:1:
> warning: this is the location of the previous definition
>   C: ./CAbout.cpp
> In file included from <command line>:10:
> /cygdrive/d/dx90/mingw_dshow_port.h:6:1: warning: "_WINGDI_" redefined
> In file included from
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/windows.h:52,
>                  from
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/rpc.h:2,
>                  from
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/wtypes.h:1,
>                  from /cygdrive/d/dx90/mingw_dshow_port.h:1,
>                  from <command line>:10:
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/wingdi.h:3:1:
> warning: this is the location of the previous definition
> In file included from
> /cygdrive/d/dx90/Samples/C++/DirectShow/BaseClasses/streams.h:142,
>                  from src/CAbout.h:29,
>                  from src/CAbout.cpp:36:
> /cygdrive/d/dx90/Samples/C++/DirectShow/BaseClasses/combase.h: In function
> `LONG InterlockedIncrement(volatile LONG*)':
> /cygdrive/d/dx90/Samples/C++/DirectShow/BaseClasses/combase.h:245: error:
> `LONG InterlockedIncrement(volatile LONG*)' was declared `extern' and later
> `static'
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/winbase.h:1694:
> error: previous declaration of `LONG InterlockedIncrement(volatile LONG*)'
> /cygdrive/d/dx90/Samples/C++/DirectShow/BaseClasses/combase.h: In function
> `LONG InterlockedDecrement(volatile LONG*)':
> /cygdrive/d/dx90/Samples/C++/DirectShow/BaseClasses/combase.h:248: error:
> `LONG InterlockedDecrement(volatile LONG*)' was declared `extern' and later
> `static'
> /usr/lib/gcc/i686-pc-mingw32/3.4.4/../../../../include/w32api/winbase.h:1685:
> error: previous declaration of `LONG InterlockedDecrement(volatile LONG*)'
> make: *** [CAbout.obj] Error 1
>
> Is there any workaround so that I may compile this module without somehow
> back versioning my gcc install in cygwin?
>
> Any input is appreciated!
>
> Thanks,
> -Brendan
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