copy picolibc to build folder, as it gets modified while building #2209
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this allows sharing or read only access to the python package
I face a build error while I tried to build it in nixos, as the system is there read-only by design.
The build script in
pythondata-software-picolibc
modifies the source code included.This could also lead to conflicts when building multiple targets at once.
This patch copy the source code to the build folder to have a local copy.
Here is a more or less working example for an cyclone10lp - cyc1000 board with this patch:
https://git.o-g.at/FPGA/cyc1000_tests
A bit hacked together, as I'm still learning / testing.