Reduce size & workload of MicroPython build cache #764
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Gadgetoid
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Fetching submodules using "make submodules" seems to behave differently locally vs GitHub, resulting in missing modules in the MicroPython cache. This whole cache malarkey is almost more trouble than it's worth, but cloning MicroPython and its submodules ten times per workflow run would be quite miserable. Have manually added the lines to clone each required submodule. Takes the MicroPython cache from ~879 MB down to ~187 MB for a total reduction of around 6,920 MB across all builds 😬 |
Reduces the MicroPython cache from ~879MB down to ~187MB for a reduction of around 6,920MB across builds.
Simplify the build to use *only* local (to pimoroni-pico) copies of MicroPython board config dirs. This allows us to specify MICROPY_C_HEAP_SIZE (and potentially other options) in board config rather than at build-time.
A long overdue fix. Uses board-specific manifest.py files to freeze Python modules, instead of polluting ports/rp2/modules.
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Force "-specs=nano.specs" on MicroPython builds and disable various stack unwinding and exception handling features for C++ modules.
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By cloning only the modules we actually intend to use, it should be slightly quicker and result in a smaller cache file for each individual board build.