ArmClang Supported on RT-Thread V4.1.0

ArmClang Support

In the release of RT-Thread 4.1.0, Arm Compiler 6 was added, allowing users to modify the rtconfig.py to specify the compiler while building mdk5 projects.

• ArmClang supports more architectures compared to Armcc, Armcc supports armv7 architectures, armclang supports Armv6, Armv7, Armv8 and future Arm’s new processors.
• ArmClang compiles faster than Armcc under the same project.

User Guide

• Open any project in the rt-thread/bsp directory, we’re taking stm32h750-artpi-h750 as an example.
• Open the rtconfig.py file and modify the PLATFORM to armclang.

• Open the keil template project, modify the compiler to ArmClang, Ctrl+S save settings

• Under the RT-Thread Env environment, use the command scons --target=mdk5'to generate the keil project.

Reference

• Arm Compiler armclang Reference Guide Version 6.9

https://developer.arm.com/documentation/100067/0609/

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