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tinygo: include files from gen-device #94794

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yvesf commented Aug 6, 2020

Motivation for this change

fix #94793

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits
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yvesf commented Aug 6, 2020

Unfortunately, building a binary for an nrf-based board is still failing:

$ tinygo build -target=microbit -o test
error: failed to build /nix/store/dlas998iig5xgmllr25kl5y97kfa35p5-tinygo-0.13.1/share/tinygo/lib/compiler-rt/lib/builtins/absvdi2.c: none of these commands were found in your $PATH: clang-10

Tinygo tries to find find clang under the name clang-10. If I patch this to also try just clang it fails with:

$ tinygo build -target=microbit -o test
clang-10: error: argument unused during compilation: '-nostdlibinc' [-Werror,-Wunused-command-line-argument]
clang-10: error: argument unused during compilation: '--gcc-toolchain=/nix/store/b3zsk4ihlpiimv3vff86bb5bxghgdzb9-gcc-9.2.0' [-Werror,-Wunused-command-line-argument]
error: failed to build /nix/store/vd8hhfnr22kmv0b8szlbpd4yj4sj3q9g-tinygo-0.13.1/share/tinygo/lib/compiler-rt/lib/builtins/absvdi2.c: exit status 1```
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