Qt3DExtras: No such file or directory

[sonichy]

System: Linux Deepin (debian)
/usr/include/x86_64-linux-gnu/qt5 have Qt3DCore, Qt3DRender ...... do not have Qt3DExtras folder.

Sloved
https://debian.pkgs.org/9/debian-main-amd64/qt3d5-dev_5.7.1+dfsg-2_amd64.deb.html
Download deb，decompress and copy Qt3DExtras to /usr/include/x86_64-linux-gnu/qt5
Comment some unsupported function, then build and run success.

[jsulm]

@sonichy My guess is: you did not install the package containing it.