shell.nix

   1 { avr ? true, arm ? true, teensy ? true }:
   2
   3 let
   4   overlay = self: super:
   5     let addDarwinSupport = pkg: pkg.overrideAttrs (oldAttrs: {
   6       meta.platforms = (oldAttrs.meta.platforms or []) ++ self.lib.platforms.darwin;
   7     });
   8     in {
   9       dfu-programmer = addDarwinSupport super.dfu-programmer;
  10       teensy-loader-cli = addDarwinSupport super.teensy-loader-cli;
  11
  12       avrgcc = super.avrgcc.overrideAttrs (oldAttrs: rec {
  13         name = "avr-gcc-8.1.0";
  14         src = super.fetchurl {
  15           url = "mirror://gcc/releases/gcc-8.1.0/gcc-8.1.0.tar.xz";
  16           sha256 = "0lxil8x0jjx7zbf90cy1rli650akaa6hpk8wk8s62vk2jbwnc60x";
  17         };
  18       });
  19     };
  20
  21   nixpkgs = builtins.fetchTarball {
  22     url = "https://github.com/NixOS/nixpkgs/archive/0260747427737b980f0.tar.gz";
  23     sha256 = "1p2yc6b40xvvxvmlqd9wb440pkrimnlc2wsbpa5rddlpx1dn8qmf";
  24   };
  25
  26   pkgs = import nixpkgs { overlays = [ overlay ]; };
  27 in
  28
  29 with pkgs;
  30 let avr_incflags = [
  31     "-isystem ${avrlibc}/avr/include"
  32     "-B${avrlibc}/avr/lib/avr5"
  33     "-L${avrlibc}/avr/lib/avr5"
  34     "-B${avrlibc}/avr/lib/avr35"
  35     "-L${avrlibc}/avr/lib/avr35"
  36     "-B${avrlibc}/avr/lib/avr51"
  37     "-L${avrlibc}/avr/lib/avr51"
  38   ];
  39 in
  40 stdenv.mkDerivation {
  41   name = "qmk-firmware";
  42
  43   buildInputs = [ dfu-programmer dfu-util diffutils git python3 ]
  44     ++ lib.optional avr [ avrbinutils avrgcc avrlibc avrdude ]
  45     ++ lib.optional arm [ gcc-arm-embedded ]
  46     ++ lib.optional teensy [ teensy-loader-cli ];
  47
  48   AVR_CFLAGS = lib.optional avr avr_incflags;
  49   AVR_ASFLAGS = lib.optional avr avr_incflags;
  50 }