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I tried with the example modules given from Qt. and I downloaded the qt-everywhere-opensource-src-5.9.3 tar file and extract it. then I run the following command.

./configure -v -prefix $PWD/qtbase -commercial -nomake tests -opengl es2 -egl

but I got these errors.

Note: Also available for Linux: linux-clang linux-icc

Note: Dropped compiler flags '-pthread' when detecting library 'glib'.

Note: Disabling X11 Accessibility Bridge: D-Bus or AT-SPI is missing.

Note: No wayland-egl support detected. Cross-toolkit compatibility disabled.

ERROR: Feature 'egl' was enabled, but the pre-condition '(features.opengl || features.openvg) && (features.angle || libs.egl)' failed.

EGL related libraries installed on the system.

  • Qt: 5.9.3
  • Qt Creator: 4.4.1
  • OS: Ubuntu 16.04
  • GPU: Intel Haswell
  • libva: 1.7.0
  • VA-API: 0.39.0
Sherlin N. G.
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1 Answers1

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You're probably missing some packages. If you want wayland, you're most likely going to need dev packages for libwayland and libwayland-egl, but I'm not sure what they're called on Ubuntu.

bobbaluba
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  • For Ubuntu 20.04: `sudo apt install libwayland-dev` should get you going. It installs both libwayland and libwayland-egl see [here](https://packages.ubuntu.com/focal/libwayland-dev) That said, I think I still saw the "No wayland-egl support", but since I'm not cross compiling I think it's ok. – Robert McLean Dec 28 '22 at 16:22