Migration to Bazel from GNU Make for embedded ARM application

[Sumit Mapari]

I am working on migrating to bazel from gnu make based build system. It is an ARM embedded application, and uses Green Hills Compiler. The assembler, compiler and linker flags need to be specified during the build. The source code consists of about 400 .c files and few libraries.

However I am not able to find any relevant documentation or examples for the same.

Could somebody please direct me here to some useful resources please.

Thanks!!!

[Austin Schuh]

Check out https://docs.bazel.build/versions/main/tutorial/cc-toolchain-config.html

We've got toolchains setup for various embedded ARM and x86 platforms
here: https://github.com/frc971/971-Robot-Code
https://github.com/frc971/971-Robot-Code/blob/master/tools/cpp/toolchain_config.bzl
has the crosstool features for a cortex m4f processor, and the rp2040.

Hopefully that's enough to get you started and on to the next set of
questions :)

Austin

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[Nathaniel Brough]

Hey Sumit,

In addition to the Bazel tutorials, Austin mentioned you might want to check out https://github.com/bazelembedded/bazel-embedded which has some gcc based embedded toolchains.

[Sumit Mapari]

Thank you very much Austin and Nathaniel for the help. It will help me to get started!!!