Hey all,

I’ve been googling around and searching for about 2 days now with no luck.

I’m trying to cross-compile Qt5 (5.3.1 or 5.2.0) for the Beaglebone Black 
and get Quick 2.0 and Qt Quick Controls working (so I need OpenGL). So far 
I haven’t been able to find any good sources to walk me through this 
process.

I’m using a Chipsee 
<http://www.chipsee.com/product/evm/beagle/beaglebone-black-expansion-capacitive.html?___store=english&___from_store=default>
 *[chipsee.com]* cape to have an LCD and capacitive touch screen with it. 
Chipsee gives me several prebuilt images, including a Debian, Angstrom, 
Android, and LinuxEZSDK images. It looks like the linuxEZSDK and Angstrom 
images come with all the OpenGL libraries pre-loaded. The LinuxEZSDK comes 
pre-configured with everything for Qt, but it’s Qt4.8. You can find their 
repo of images here <http://www.chipsee.com/upload/BBB/>*[chipsee.com]*.

Right now I’ve been working with the LinuxEZSDK image to try and build Qt5 
from source and get it on there. I downloaded the linaro toolchain 
<https://launchpad.net/linaro-toolchain-binaries/trunk/2013.04/+download/gcc-linaro-arm-linux-gnueabihf-4.8-2013.04-20130417_linux.tar.xz>
 *[launchpad.net]* to use for the cross compile. I edited the 5.3.1 source 
following this tutorial 
<http://armsdr.blogspot.com/2014/01/bare-metal-qt-52-on-beaglebone-black_10.html>
 *[armsdr.blogspot.com]*to setup the build for the cross-compile. If I 
follow that tutorial to a T, it works fine. But if I try and configure 
using OpenGL by running the following configure script:

   1. ../qt-everywhere-opensource-src-5.3.1/configure -v -opensource -
   confirm-license-no-pch -no-opengl -opengl es2 -make libs -device linux-
   beaglebone-g++ -xplatform linux-arm-gnueabihf-g++ -device-option 
   CROSS_COMPILE=/usr/local/linaro/bin/arm-linux-gnueabihf- -sysroot/media/
   jay/rootfs -no-gcc-sysroot -prefix /opt/qt5
   
I mounted the SD card that countains the LinuxEZSDK in order to find the 
OpenGL drivers and set the sysroot to /media/jay/rootfs, which is the root 
of the OS. Configuring that gives me the following error:

   1. OpenGL ES 2.x auto-detection... ()
   2. /usr/local/linaro/bin/arm-linux-gnueabihf-g++ -c -pipe -O2 -Wall -W -fPIE 
    -I/home/jay/qt-everywhere-opensource-src-5.3.1/qtbase/mkspecs/linux-arm-
   gnueabihf-g++ -I/home/jay/qt-everywhere-opensource-src-5.3.1/qtbase/
   config.tests/unix/opengles2 -I. -o opengles2.o /home/jay/qt-everywhere-
   opensource-src-5.3.1/qtbase/config.tests/unix/opengles2/opengles2.cpp
   3. /home/jay/qt-everywhere-opensource-src-5.3.1/qtbase/config.tests/unix/
   opengles2/opengles2.cpp:45:25: fatal error:GLES2/gl2.h: No such file or 
   directory
   4.    #include <GLES2/gl2.h>
   5.                          ^
   6. compilation terminated.
   7. make: *** [opengles2.o] Error 1
   8. OpenGL ES 2.x disabled.
   9. The OpenGL ES 2.0 functionality test failed!
   10.  You might need to modify the include and library search paths by 
   editing
   11.  QMAKE_INCDIR_OPENGL_ES2, QMAKE_LIBDIR_OPENGL_ES2 and 
   QMAKE_LIBS_OPENGL_ES2 in
   12.  /home/jay/qt-everywhere-opensource-src-5.3.1/qtbase/mkspecs/linux-
   arm-gnueabihf-g++.
   
I even tried modifying the qmake.conf at 
/qtbase/mkspecs/linux-arm-gnueabihf-g++ to include the following:

   1. QMAKE_INCDIR_OPENGL += /media/jay/rootfs/usr/include
   2. QMAKE_LIBDIR_OPENGL += /media/jay/rootfs/usr/lib
   3. QMAKE_LIBS_OPENGL_ES2 =
   
But that resulted in the same error.

Does anyone have any ideas how I can get this cross compiled for the 
Beaglebone with support for Qt Quick 2 and Qt Quick Controls?

Thanks!

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