I try to learn C++ and because I'm already familiar with Eclipse (PHP, JavaScript, HTML (CSS), Java) I downloaded Eclipse for C / C++ Developers.
The others versions of Eclipse I used over the past years always had an easy way to save automatically before doing certain things. And Eclipse for C / C++ Developers seamed to have the same thing and it might be that it actually worked yesterday (but then again, I was really tired).
Everything I found regarding this is either what's described in this question or a subset of what's described there. However, this doesn't work for me. (I of course tried restarting Eclipse.)
I'm running the newest version (which I downloaded yesterday from the official website) of Eclipse for C / C++ Developers in the 64 bit version for Linux on an Ubuntu machine. I checked for updates via the internal tool and Eclipse is up to date.
This is what "About Eclipse" says:
Eclipse IDE for C/C++ Developers
Version: Mars.1 Release (4.5.1)
Build id: 20150924-1200