[Interest] Clarification or Update required on Qt Blog to install QT on Tinkerboard.

[Ben W]

Hi,
I like many others are trying build qt for asus tinker board according to
this qt blog post:
https://blog.qt.io/blog/2017/05/03/qt-git-tinkerboard-wayland/

I have spent quite some time going over this with no results. As the guide
cross-references another guide (https://wiki.qt.io/RaspberryPi2EGLFS) it
could become easy to make a mistake. To help I have included a short guide
of what I've done. But this will need to be verified.

The original blog that was created a short time ago also has some hyperlink
issues around downloading the toolchain and there are some command issues
when using: rsync -e ssh avz instead of rsync -avz.

I believe there will also need to be some clarification on what system the
blog was performed on (i.e Ubuntu, Debian) and also if the dev- branch of a
qtbase is still required.

Also, I think the additional instruction is necessary on setting up the Qt
environment as there are linking issues with the qmake. please reference
https://forum.qt.io/topic/83776/can-t-build-qt-for-tinkerboard

Please see the attached for the draft user guide.

Thank you
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Loading QT on to Asus Tinker

http://blog.qt.io/blog/2017/05/03/qt-git-tinkerboard-wayland/#comments
https://wiki.qt.io/RaspberryPi2EGLFS

Download latest Cross-compiler for x64
https://releases.linaro.org/components/toolchain/binaries/6.3-2017.02/arm-linux-gnueabihf/

Extract and rename to 'toolchain' and place into /tinker folder

Download latest “wayland” variant from the Firefly RK3288 section
https://developer.arm.com/products/software/mali-drivers/user-space

[on Tinker] copy EGL/GLES/GBM/wayland-egl libraries to /usr/lib/arm-linux-gnueabihf.

1)[on Tinker] Install a bunch of development files (for simplicity we use build-dep, not everything is really needed, but it is easier this way). 
	
	A- Disable auto-starting X
		Command = sudo systemctl set-default multi-user.target or systemctl set-default graphical.target (to restore GUI)
	1- Edit sources list in /etc/apt/sources.list with use of your favorite editor (nano / vi) and uncomment the 'deb-src' line:
		Command = sudo nano /etc/apt/sources.list
	2- Update your system and install required libraries:
		Command = sudo apt-get update
		Command = sudo apt-get build-dep qt4-x11 libqt5gui5 wayland weston
	3- Prepare our target directory
		Command = sudo mkdir /usr/local/qt5
		Command = sudo chown linaro:linaro /usr/local/qt5
 	4- Give Root Password
		Command = sudo passwd root
		Command = Password
		Command = Password

2)[on Host] Create a sysroot on the host:
	
	Command = rsync -avz linaro at 192.168.0.48:/lib ~/tinker/sysroot
	Command = rsync -avz linaro at 192.168.0.48:/usr/include ~/tinker/sysroot/usr
	Command = rsync -avz linaro at 192.168.0.48:/usr/lib ~/tinker/sysroot/usr

3)[on Host] Make all symlinks relative:	
	
	Command = cd ~/tinker
	Command = wget https://raw.githubusercontent.com/riscv/riscv-poky/master/scripts/sysroot-relativelinks.py
	Command = chmod +x sysroot-relativelinks.py
	Command = ./sysroot-relativelinks.py sysroot 
	
4) [on Host] Configure with -device linux-tinkerboard-g++: 
	
	Command = git clone git://code.qt.io/qt/qtbase.git -b dev
	//or
	Command = git clone git://code.qt.io/qt/qtbase.git -b 5.10
	
	Command = cd qtbase
	Command = 	./configure -release -opengl es2 -nomake examples -nomake tests -opensource -confirm-license -v \
				-device tinkerboard -device-option CROSS_COMPILE=~/tinker/toolchain/bin/arm-linux-gnueabihf- \
				-sysroot ~/tinker/sysroot -prefix /usr/local/qt5 -extprefix ~/tinker/qt5 -hostprefix ~/tinker/qt5-host
				
	Command = make
	Command = make install

5)[on Host] rsyn to tinker
	return to /tinker
	Command = rsync -avz qt5 linaro at 192.168.0.48:/usr/local
	
6)[on Host] Set up QT device and Kit.