Linux ARM is a Unix-like and mostly POSIX-compliant computer operating system (OS) assembled under the model of free and open-source software development and distribution. Using host OS (Mac OS X, Linux ARM) you can build native application for Linux ARM platform.

• Home (home page in the PlatformIO Registry)
• Documentation (advanced usage, packages, boards, frameworks, etc.)

1. Install PlatformIO
2. Create PlatformIO project and configure a platform option in platformio.ini file:

[env:stable]
platform = linux_arm
board = ...
...

[env:development]
platform = https://github.com/platformio/platform-linux_arm.git
board = ...
...

Please navigate to documentation.