qtpaths return incorrect path

[debian]

Hello!
I was cross-compile Qt-6.2.4, as host tools I was use packages from Debian bullseye-backports repo.
But cross-compile app failed

.............
make[2]: *** No rule to make target '/usr/libexec/moc', needed by '.moc/moc_file_impl.cpp'.  Stop.
make[2]: *** Waiting for unfinished jobs....
generating .moc/moc_predefs.h
.............

This is very strange because system contain moc

$ ls -F /usr/lib/qt6/bin/
androiddeployqt*    qmldom*         qsb*
androidtestrunner*  qmleasing*      qscxmlc*
lconvert*           qmlformat*      qt-cmake*
lrelease*           qmllint*        qt-cmake-private*
lupdate*            qmlplugindump*  qt-cmake-private-install.cmake
qdbuscpp2xml*       qmlpreview*     qt-cmake-standalone-test*
qdbusxml2cpp*       qmlprofiler*    qt-configure-module*
qmake@              qmltestrunner*  qtpaths*
qmake6*             qmltime*        qtpaths6*
$ ls -F /usr/lib/qt6/libexec/
android_emulator_launcher.sh*  qlalr*                        rcc*
cmake_automoc_parser*          qmlcachegen*                  syncqt.pl*
ensure_pro_file.cmake          qmlimportscanner*             tracegen*
lrelease-pro*                  qmltyperegistrar*             uic*
lupdate-pro*                   qt-internal-configure-tests*
moc*                           qvkgen*

And qmake return correct paths

$ /usr/lib/qt6/bin/qmake -query QT_HOST_LIBEXECS
/usr/lib/qt6/libexec

After this I was request QT_HOST_LIBEXECS via cross-compiled qtpaths and it return invalid path

$ staging_sml7105/qt6_sti7105/bin/qtpaths -query QT_HOST_LIBEXECS
/usr/libexec

So look like cross-compile target_qt.conf invalid

[DevicePaths]
Prefix=/usr/local/qt
[Paths]
Prefix=../
HostPrefix=../../../../../usr
HostData=../tmp/firmware/staging_sml7105/qt6_sti7105
Sysroot=
SysrootifyPrefix=false
TargetSpec=devices/linux-sh4-stmicro-ST7105-g++
HostSpec=linux-g++

Can you advice how can I modify target_qt.conf for fix this is? May be I should pass some specific parameter at qtbase configure?
Thank you.

[debian]

Dirty hack - create symlink ln --symbolic /usr/lib/qt6/libexec/moc /usr/libexec/moc
qmake work because it have symlink at /usr

$ ls -l /usr/bin/qmake*
lrwxrwxrwx 1 root root  9 May  3  2019 /usr/bin/qmake -> qtchooser
lrwxrwxrwx 1 root root 21 Jun 13 23:13 /usr/bin/qmake6 -> ../lib/qt6/bin/qmake6