Check system version

1.  cat /proc/version

mike@sp-ThinkPad-X220:~$ cat /proc/version
Linux version 3.16.0-30-generic (buildd@phianna) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #40~14.04.1-Ubuntu SMP Thu Jan 15 17:45:15 UTC 2015

uname -a

mike@mike-ThinkPad-X220:~/Helloworld$ uname -a
Linux mike-ThinkPad-X220 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

2. check disk usage
mike@sp-ThinkPad-X220:~$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       290G  8.8G  266G   4% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
udev            2.0G  4.0K  2.0G   1% /dev
tmpfs           394M  1.2M  393M   1% /run
none            5.0M     0  5.0M   0% /run/lock
none            2.0G  160K  2.0G   1% /run/shm
none            100M   96K  100M   1% /run/user

3. run .run file

chmod +x qt-opensource-linux-x64-5.7.0.run

sh qt-opensource-linux-x64-5.7.0.run

4. install pysvn

sudo apt-get install python-svn

sudo apt-get install svn-workbench

5. copy libs to usr

sudo cp liblensdetect.so* /usr/local/lib/

sudo ldconfig

 6. Add addtional parameter for QT build

CONFIG+=linux

 7. Error: Jump to case label

cannot declare local variables in case label without brakets. because http://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement

Linux QT