qt5 @5.15.8+qt5-qtwebengine: QtWebEngineProcess has dependencies with absolute path

[kaamui]

I'm facing an issue where my app (that contains an internal navigator) cannot run on other macs than mine. It appears to be related to QtWebEngineProcess searching to resolve its dependencies, referenced with absolute path.

otool -L /opt/local/libexec/qt5/lib/QtWebEngineCore.framework/Versions/5/Helpers/QtWebEngineProcess.app/Contents/MacOS/QtWebEngineProcess 

/opt/local/libexec/qt5/lib/QtWebEngineCore.framework/Versions/5/Helpers/QtWebEngineProcess.app/Contents/MacOS/QtWebEngineProcess:
	/opt/local/libexec/qt5/lib/QtGui.framework/Versions/5/QtGui (compatibility version 5.15.0, current version 5.15.8)
	/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 2299.30.112)
	/System/Library/Frameworks/Metal.framework/Versions/A/Metal (compatibility version 1.0.0, current version 306.3.4)
	/opt/local/libexec/qt5/lib/QtCore.framework/Versions/5/QtCore (compatibility version 5.15.0, current version 5.15.8)
	/System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration (compatibility version 1.0.0, current version 1.0.0)
	/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
	/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
	/System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0)
	/opt/local/libexec/qt5/lib/QtWebEngineCore.framework/Versions/5/QtWebEngineCore (compatibility version 5.15.0, current version 5.15.12)
	/opt/local/libexec/qt5/lib/QtQuick.framework/Versions/5/QtQuick (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtQmlModels.framework/Versions/5/QtQmlModels (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtWebChannel.framework/Versions/5/QtWebChannel (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtQml.framework/Versions/5/QtQml (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtNetwork.framework/Versions/5/QtNetwork (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtPositioning.framework/Versions/5/QtPositioning (compatibility version 5.15.0, current version 5.15.8)
	/usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1300.36.0)
	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1319.0.0)

and it outputs the same result on the executable copied inside my app :

   otool -L OpenBoard.app/Contents/Frameworks/QtWebEngineCore.framework/Helpers/QtWebEngineProcess.app/Contents/MacOS/QtWebEngineProcess

/opt/local/libexec/qt5/lib/QtGui.framework/Versions/5/QtGui (compatibility version 5.15.0, current version 5.15.8)
	/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 2299.30.112)
	/System/Library/Frameworks/Metal.framework/Versions/A/Metal (compatibility version 1.0.0, current version 306.3.4)
	/opt/local/libexec/qt5/lib/QtCore.framework/Versions/5/QtCore (compatibility version 5.15.0, current version 5.15.8)
	/System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration (compatibility version 1.0.0, current version 1.0.0)
	/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
	/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
	/System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0)
	/opt/local/libexec/qt5/lib/QtWebEngineCore.framework/Versions/5/QtWebEngineCore (compatibility version 5.15.0, current version 5.15.12)
	/opt/local/libexec/qt5/lib/QtQuick.framework/Versions/5/QtQuick (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtQmlModels.framework/Versions/5/QtQmlModels (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtWebChannel.framework/Versions/5/QtWebChannel (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtQml.framework/Versions/5/QtQml (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtNetwork.framework/Versions/5/QtNetwork (compatibility version 5.15.0, current version 5.15.8)
	/opt/local/libexec/qt5/lib/QtPositioning.framework/Versions/5/QtPositioning (compatibility version 5.15.0, current version 5.15.8)
	/usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1300.36.0)
	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1319.0.0)

Is it expected to be like this and I have to pass some parameter when compiling so paths are changed to @executable_path or is it an issue in MacPort's side ?

Thanks in advance for your help !