Em sáb., 23 de nov. de 2019 às 14:27, Nikolay Sivov <bungleh...@gmail.com> escreveu:
> On Sat, Nov 23, 2019 at 8:12 PM Arthur Girardi <ad...@underdark.com.br> > wrote: > > > > > 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 > > > ``` > > > > > > > Below is the complete command used by the IDE. Please allow me to remind > > you that this program is a direct conversion to C from the sample, so no > > g++ is used. > > > > gcc.exe -c WicViewerD2D.c -o WicViewerD2D.o -I"C:/msys64/mingw64/include" > > -I"C:/msys64/mingw64/x86_64-w64-mingw32/include" > > -I"C:/msys64/mingw64/lib/gcc/x86_64-w64-mingw32/9.2.0/include" > > windres.exe -i WicViewer_private.rc --input-format=rc -o > > WicViewer_private.res -O coff > > gcc.exe WicViewerD2D.o WicViewer_private.res -o WicViewer.exe > > -L"C:/msys64/mingw64/lib" -L"C:/msys64/mingw64/x86_64-w64-mingw32/lib" > > -static-libgcc -mwindows -lole32 -ld2d1 > > > > Could you post your converted source somewhere? It could be an issue with > particular method prototype, > for example for GetSize() correct C prototype would be: > > D2D1_SIZE_F * target_GetSize(ID2D1HwndRenderTarget *iface, D2D1_SIZE_F > *size) > I've uploaded complete buildable source here[1]. It also includes a temporary fix at line 215 of WicViewerD2D.c that you need to remove to see the problem. [1] https://github.com/udbr/WicViewerD2D-C _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
