Is it possible to install qwt to Qt6?

Question

I have Qt6 (6.5) built from source and I am trying to install the Qwt library according to this guide: https://qwt.sourceforge.io/qwtinstall.html

1. /home/lparadox/Tools/qt/qt6-install/bin/qmake qwt.pro
2. make -j8

and I'm getting the error:

cd src/ && ( test -e Makefile || /home/lparadox/Tools/qt/qt6-install/bin/qmake -o Makefile /home/lparadox/Tools/qt/qwt-6.2.0/src/src.pro ) && make -f Makefile
make[1]: Entering directory '/home/lparadox/Tools/qt/qwt-6.2.0/src'
moc qwt_dyngrid_layout.h
compiling qwt_dyngrid_layout.cpp
compiling qwt_magnifier.cpp
compiling qwt_panner.cpp
compiling qwt_picker.cpp
compiling qwt_symbol.cpp
qwt_symbol.cpp:20:10: fatal error: qsvgrenderer.h: No such file or directory
   20 | #include <qsvgrenderer.h>
      |          ^~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [Makefile:1453: obj/qwt_symbol.o] Error 1
make[1]: Leaving directory '/home/lparadox/Tools/qt/qwt-6.2.0/src'
make: *** [Makefile:53: sub-src-make_first-ordered] Error 2

I see the qsvgrenderer.h is present. Is this problem about the Qt version ?