FRC Toolchain installs compilers and other tools that are required to support the ARM platform on the roboRIO. These can be used to build programs for FRC robots. This program is available in 2015, 2016, and 2017 versions. The 2015 toolchains will not work with the 2016 development tools; you must install the 2016 toolchains. You must also rebuild the code from previous years that you want to deploy on your 2016 robot.
The SDK Toolchain installer contains enhancements, updates and bug fixes
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