Set up a hermetic toolchain #13
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| def rules_pico_toolchains(): | ||
| native.register_toolchains("//toolchain:gcc-pico") | ||
| native.register_toolchains("//toolchain:gcc-pico_linux_x86_64") |
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bazel query "@rules_pico//toolchain:*"
@rules_pico//toolchain:BUILD
@rules_pico//toolchain:cc_toolchain_darwin_x86_64_gcc-pico
@rules_pico//toolchain:cc_toolchain_linux_aarch64_gcc-pico
@rules_pico//toolchain:cc_toolchain_linux_x86_64_gcc-pico
@rules_pico//toolchain:cc_toolchain_windows_x86_64_gcc-pico
@rules_pico//toolchain:config_darwin_x86_64_gcc-pico
@rules_pico//toolchain:config_linux_aarch64_gcc-pico
@rules_pico//toolchain:config_linux_x86_64_gcc-pico
@rules_pico//toolchain:config_windows_x86_64_gcc-pico
@rules_pico//toolchain:empty
@rules_pico//toolchain:gcc-pico_darwin_x86_64
@rules_pico//toolchain:gcc-pico_linux_aarch64
@rules_pico//toolchain:gcc-pico_linux_x86_64
@rules_pico//toolchain:gcc-pico_windows_x86_64
Lots of generated targets. I just picked the one I wanted; I imagine something fancier is needed here.
| "@platforms//cpu:armv6-m", | ||
| "@koro-platforms//cxx:14", | ||
| ], | ||
| target_platform = True, |
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I'm using latest Bazel 7.0.0 and this option wasn't recognized; seemed safe to remove?
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Its been a while since I worked on this and it looks like things have changed in the meantime. I'm currently using bazel 5.4.1. I'll try to figure out if this is needed.
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I love the idea but I don't see FreeBSD in the list of platforms. Since FreeBSD is the only platform I use for pico development, thats a blocker. If we could get FreeBSD added to https://github.com/hexdae/bazel-arm-none-eabi, then I would be happy to merge this. |
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Do you know where FreeBSD distributions of the toolchain can be found? Setting it up doesn't look too bad, but I'm not sure where do find the package. |
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I use the gcc-arm-embedded package and I typically install it on the host manually: |
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I found https://www.freshports.org/devel/gcc-arm-embedded/ but am struggling to find a way to download it. Is there something I'm missing? |
2 participants
Replace the toolchain setup with a hermetic toolchain from https://github.com/hexdae/bazel-arm-none-eabi. This addresses issue #10
NOTE: The output files differ; I paid minimal attention to what changed and simply tested by flashing the
hello_usb.cprogram with each toolchain onto my Pico.