Options to cross compile c application for target A20 on my host Windows/Linux

[chirag.mistry]

1. I am looking IDE to cross compile my c application for A20 target board on my 64 bits Windows Host system. Suggest me if any.
2. I am looking IDE to cross compile my c application for A20 target board on my Ubuntu 18.04 64 bits Host system. Suggest me if any.
3. I am looking to cross compile my c application as command line for A20 target board on my Ubuntu 18.04 64 bits Host system.