qmk_firmware/shell.nix

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Nix
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{ avr ? true, arm ? true, teensy ? true }:
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let
overlay = self: super:
let addDarwinSupport = pkg: pkg.overrideAttrs (oldAttrs: {
meta.platforms = (oldAttrs.meta.platforms or []) ++ self.lib.platforms.darwin;
});
in {
dfu-programmer = addDarwinSupport super.dfu-programmer;
teensy-loader-cli = addDarwinSupport super.teensy-loader-cli;
};
nixpkgs = builtins.fetchTarball {
url = "https://github.com/NixOS/nixpkgs/archive/903266491b7b9b0379e88709feca0af900def0d9.tar.gz";
sha256 = "1b5wjrfgyha6s15k1yjyx41hvrpmd5szpkpkxk6l5hyrfqsr8wip";
};
pkgs = import nixpkgs { overlays = [ overlay ]; };
in
with pkgs;
let
avrlibc = pkgsCross.avr.libcCross;
avr_incflags = [
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"-isystem ${avrlibc}/avr/include"
"-B${avrlibc}/avr/lib/avr5"
"-L${avrlibc}/avr/lib/avr5"
"-B${avrlibc}/avr/lib/avr35"
"-L${avrlibc}/avr/lib/avr35"
"-B${avrlibc}/avr/lib/avr51"
"-L${avrlibc}/avr/lib/avr51"
];
in
stdenv.mkDerivation {
name = "qmk-firmware";
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buildInputs = [ dfu-programmer dfu-util diffutils git python3 ]
++ lib.optional avr [
pkgsCross.avr.buildPackages.binutils
pkgsCross.avr.buildPackages.gcc8
avrlibc
avrdude
]
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++ lib.optional arm [ gcc-arm-embedded ]
++ lib.optional teensy [ teensy-loader-cli ];
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AVR_CFLAGS = lib.optional avr avr_incflags;
AVR_ASFLAGS = lib.optional avr avr_incflags;
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}