I'm not sure I understand the revelation here. GCC is often used to target single boards with little resources. You can build gcc for the environment you want

I'm not sure I understand the revelation here. GCC is often used to target single boards with little resources. You can build gcc for the environment you want to target. Sounds like attempting to use a compiler flag in a way it wasn't intended. If you wanted to reduce the binary size wouldn't you look at the linker?