bazel-c-rust-x86_linux-armv7_baremetal

Everyone knows you can mix C and rust. Bazel shines at swapping compilation targets.

target	main	lib	command
x86_64-unknown-linux-gnu	c	c	bazel run //:linux_c_c
x86_64-unknown-linux-gnu	c	rust	bazel run //:linux_c_rs
x86_64-unknown-linux-gnu	rust	c	bazel run //:linux_rs_c
ARM Cortex M3 on QEMU (lm3s6965evb)	c	c	bazel run --config=qemu //:arm_c_c
ARM Cortex M3 on QEMU (lm3s6965evb)	c	rust	bazel run --config=qemu //:arm_c_rs

x86_64-unknown-linux-gnu | c | c

Hello from C compiled for x86_64 linux!
C library calculated squared(4) = 16

x86_64-unknown-linux-gnu | c | rust

Hello from C compiled for x86_64 linux!
rust library calculated squared(4) = 16

x86_64-unknown-linux-gnu | rust | c

Hello from rust compiled for linux on x86_64!
A C library calculated squared(4) = 16

ARM Cortex M3 on QEMU (lm3s6965evb) | c | c

Hello from C compiled for baremetal ARM Cortex M3 on QEMU!
C library calculated squared(4) = 16

ARM Cortex M3 on QEMU (lm3s6965evb) | c | rust

Hello from C compiled for baremetal ARM Cortex M3 on QEMU!
rust library calculated squared(4) = 16

Acknowledgements

• https://github.com/hexdae/bazel-arm-none-eabi
• https://github.com/bazelbuild/rules_rust
• https://balau82.wordpress.com/2011/09/03/using-codesourcery-bare-metal-toolchain-for-cortex-m3/

If this is useful to you, please hit ⭐

TODO:

• bindgen
• cargo dependencies
• clippy and IDE integration