Error: `nullptr` was not declared in this scope. Arduino IDE

Question

I try to use this ArduinoThread library. In the Arduino I go Sketch->Import Library->ArduinoThread. After that I have the following line in the beginning of the sketch:

#include <ThreadController.h>
#include <Thread.h>
#include <StaticThreadController.h>

I leave setup() and loop() empty and try to verify or upload the sketch on my Arduino board. But I get the following errors: enter image description here

Is this about the library or I do something wrong?

• Dave X: How old is your Arduino setup? Maybe stackoverflow.com/questions/24845127/… would help
• LRDPRDX: I am using Arduino 1.8.5. I think it is pretty recent, isn't it?
• atland: It works with 1.6.8 and 1.6.9 those are the ones I have and it compiles without errors.
• per1234: What do you have selected in the Tools > Board menu? You should always post text as text, not a picture of text.
• per1234: Please write an answer to your question to help out anyone else who also encounters this issue.

Answer 1

I installed Arduino IDE in two different ways (only god knows why). The first one was via using of manager apt-get and other was manually via downloading, unzipping and installation through the install.sh file. It seems that on Ubuntu 14.04 the

sudo apt-get install arduino

command provides an installation of an old version of Arduino IDE. So eventually I was launching Arduino IDE by arduino command in my terminal (actually I was using d-menu in i3). No surprise it ran the old one installed by apt-get. I just removed that version by

sudo apt-get remove arduino

And now I am using executable arduino inside unzipped folder. Actually, I am not using Arduino IDE explicitly at all. I am using a Makefile from here.