Bug#984401: vtk7: ftbfs with GCC-11

[John David Anglin]

Source: vtk7
Version: 7.1.1+dfsg2-10+b2
Followup-For: Bug #984401

Dear Maintainer,

On hppa:

[  3%] Building CXX object ThirdParty/xdmf2/vtkxdmf2/libsrc/CMakeFiles/vtkxdmf2.dir/XdmfDsmMsg.cxx.o
cd /<<PKGBUILDDIR>>/debian/build/ThirdParty/xdmf2/vtkxdmf2/libsrc && /usr/bin/mpic++ -DLinux -DMPICH_IGNORE_CXX_SEEK -DVTK_IN_VTK -D_HPUX_SOURCE -Dvtkxdmf2_EXPORTS -I/<<PKGBUILDDIR>>/ThirdParty/xdmf2/vtkxdmf2/libsrc -I/<<PKGBUILDDIR>>/debian/build/ThirdParty/xdmf2/vtkxdmf2/libsrc -I/<<PKGBUILDDIR>>/debian/build/ThirdParty/xdmf2 -I/<<PKGBUILDDIR>>/ThirdParty/xdmf2 -I/<<PKGBUILDDIR>>/debian/build/ThirdParty/hdf5 -I/<<PKGBUILDDIR>>/ThirdParty/hdf5 -I/usr/include/hdf5/openmpi -I/<<PKGBUILDDIR>>/debian/build/ThirdParty/zlib -I/<<PKGBUILDDIR>>/ThirdParty/zlib -I/<<PKGBUILDDIR>>/debian/build/ThirdParty/libxml2 -I/<<PKGBUILDDIR>>/ThirdParty/libxml2 -I/usr/include/libxml2 -I/<<PKGBUILDDIR>>/ThirdParty/xdmf2/vtkxdmf2/libsrc/utils -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2  -w -w -w -fPIC -MD -MT ThirdParty/xdmf2/vtkxdmf2/libsrc/CMakeFiles/vtkxdmf2.dir/XdmfDsmMsg.cxx.o -MF CMakeFiles/vtkxdmf2.dir/XdmfDsmMsg.cxx.o.d -o CMakeFiles/vtkxdmf2.dir/XdmfDsmMsg.cxx.o -c /<<PKGBUILDDIR>>/ThirdParty/xdmf2/vtkxdmf2/libsrc/XdmfDsmMsg.cxx
/<<PKGBUILDDIR>>/ThirdParty/xdmf2/vtkxdmf2/libsrc/XdmfDsmComm.cxx: In member function ‘virtual XdmfInt32 xdmf2::XdmfDsmComm::Receive(xdmf2::XdmfDsmMsg*)’:
/<<PKGBUILDDIR>>/ThirdParty/xdmf2/vtkxdmf2/libsrc/XdmfDsmComm.cxx:55:18: error: ordered comparison of pointer with integer zero (‘void*’ and ‘int’)
   55 |     if(Msg->Data <= 0 ){
      |        ~~~~~~~~~~^~~~
/<<PKGBUILDDIR>>/ThirdParty/xdmf2/vtkxdmf2/libsrc/XdmfDsmComm.cxx: In member function ‘virtual XdmfInt32 xdmf2::XdmfDsmComm::Send(xdmf2::XdmfDsmMsg*)’:
/<<PKGBUILDDIR>>/ThirdParty/xdmf2/vtkxdmf2/libsrc/XdmfDsmComm.cxx:69:18: error: ordered comparison of pointer with integer zero (‘void*’ and ‘int’)
   69 |     if(Msg->Data <= 0 ){
      |        ~~~~~~~~~~^~~~
make[4]: *** [ThirdParty/xdmf2/vtkxdmf2/libsrc/CMakeFiles/vtkxdmf2.dir/build.make:541: ThirdParty/xdmf2/vtkxdmf2/libsrc/CMakeFiles/vtkxdmf2.dir/XdmfDsmComm.cxx.o] Error 1
make[4]: *** Waiting for unfinished jobs....

Regards,
Dave Anglin

-- System Information:
Debian Release: bookworm/sid
  APT prefers buildd-unstable
  APT policy: (500, 'buildd-unstable'), (500, 'unstable')
Architecture: hppa (parisc64)

Kernel: Linux 5.14.12+ (SMP w/4 CPU threads)
Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)