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GNU C Compiler Support

Arm Keil MDK can be used with the GNU Compiler Collection (GCC). GCC is an open-source development effort with numerous contributors; it is widely available and supports many devices.

To use GCC, download the GNU Arm Embedded toolchain, and then:

  1. Open the dialog Project - Manage - Project Items - Folders/Extensions.

    Manage Project Items - Folders/Extensions

  2. Enable Use GCC Compiler (GNU) for Arm projects. Refer to Folders/Extensions for field descriptions.
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