在 2019/11/23 4:45, Arthur Girardi 写道: > Hello, > > I'm building the WIC Viewer using Direct2D[1] sample from Microsoft, > converted to C, and I'm getting some strange SIGSERV at the function > ID2D1HwndRenderTarget_GetSize(m_pRT) when the program is compiled with gcc > 9.x on a x86_64 system. No problem occurs when compiled with any gcc 8.x > x86_64 or gcc 9.x i686. All builds using MSYS2 toolchain packages. >
Please provide the exact commands that you used to invoke G++. I
compiled the sample program with the following commands and ran it but
observed no segmentation faults:
```
windres WicViewerD2D.rc -o WicViewerD2D.o
g++ -municode -mwindows *.cpp *.o \
-ld2d1 -lwindowscodecs -lole32 \
-o WicViewerD2D.exe
```
--
Best regards,
LH_Mouse
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