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

Using Arduino IDE 1.6.4 and newer, the warning level can be easily adjusted via File > Preferences > Compiler warnings:.

Using Arduino AVR Boards the compiler flags set via this option are:

• "None": -w
• "Default":
• "More: -Wall
• "All": -Wall -Wextra