Compiler warnings are your future errors

Months ago I was asked to upgrade GCC from version 4.7 to 4.9 and also cleanup configure scripts. Not very exciting, merely time consuming task. Oh, we were hit by a bug in libstdc++, but simple patch have fixed the problem. Few weeks later I was asked to change GCC switch from -std=c++11 to -std=c++14 -- the easiest task in the world. I had to modify single script, run configure, type make, then run tests... everything was OK. Quite boring so far. Read more ...