[Interest] Qt 5.15 meta-qt5 yocto build

[Ramakanth Kesireddy]

Hi,

Am  trying to build qt5.15.2 with eglfs and opengl es2 without wayland and
x11 using yocto on TI AM3358 device incorder to run QtQuick and
QtQuickControls. It builds fine if I use linuxfb as platform plugin to run
Qt c++ widgets.

Added below in conf:
DISTRO_FEATURES_append = " opengl"

DISTRO_FEATURES_remove = "x11 wayland"

Added below in qtbase_git.bbappend:
PACKAGECONFIG[gold-linker] = "-use-gold-linker,-no-use-gold-linker"
PACKAGECONFIG[sql-plugin-sqlite] = "-system-sqlite
-plugin-sql-sqlite,-no-sql-sqlite,sqlite3"
PACKAGECONFIG[qml-debug] = "-qml-debug,-no-qml-debug"
PACKAGECONFIG[qreal-float] = "-qreal float,"
PACKAGECONFIG += "gles2"
PACKAGECONFIG_append= "eglfs sql-plugin-sqlite freetype fontconfig icu
accessibility glib harfbuzz pcre qreal-float tslib"
PACKAGECONFIG_remove = "xcb linuxfb pulseaudio tools iconv alsa dbus
gold-linker evdev openssl"

However, it throws below errors after building qtbase through yocto:
.../../../../git/config.tests/unix/opengles2/opengles2.cpp:38:25: fatal
error: GLES2/gl2.h: No such file or directory
compilation terminated.

Makefile:177: recipe for target 'opengles2.o' failed
make: *** [opengles2.o] Error 1

Makefile:177: recipe for target 'opengles2.o' failed
make: *** [opengles2.o] Error 1
OpenGL ES 2.0 disabled.

It uses https://github.com/meta-qt5/meta-qt5 with the above changes in conf
and qtbase_git.bbappend.
Any thoughts on how to resolve the same if I need to add any includes in
any mkspecs or any changes in bbappend ?

Best Regards,
Ramakanth
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