Is it possible to display compiler warnings in Arduino?

Question

I would like the Arduino IDE to display compiler warnings, and I would rather not have to compile once in the terminal for warnings, and again through Arduino to generate th

Answer 1

The default compiler command line options include -w, which suppresses warnings, but you can change that by editing C:\Program Files (x86)\Arduino\hardware\arduino\avr\platform.txt. Since the libraries might contain warnings, but I want -Werror for myself, I removed the -w options, and then added to my source code:

#pragma GCC diagnostic error "-Wall"
#pragma GCC diagnostic error "-Werror"