Build failure: kompare on ppc64le

/home/buildozer/aports/community/kompare/src/kompare-20.08.3/komparepart/kompare_part.cpp: In member function 'void KomparePart::slotFilePrint()':
/home/buildozer/aports/community/kompare/src/kompare-20.08.3/komparepart/kompare_part.cpp:613:13: error: 'class QPrinter' has no member named 'setOrientation'; did you mean 'Orientation'?
  613 |     printer.setOrientation(QPrinter::Landscape);
      |             ^~~~~~~~~~~~~~
      |             Orientation
/home/buildozer/aports/community/kompare/src/kompare-20.08.3/komparepart/kompare_part.cpp: In member function 'void KomparePart::slotFilePrintPreview()':
/home/buildozer/aports/community/kompare/src/kompare-20.08.3/komparepart/kompare_part.cpp:628:13: error: 'class QPrinter' has no member named 'setOrientation'; did you mean 'Orientation'?
  628 |     printer.setOrientation(QPrinter::Landscape);
      |             ^~~~~~~~~~~~~~
      |             Orientation