feat: initial commit for corne

flake.nix

@@ -0,0 +1,69 @@
+{
+  description = "A very basic clang devshell flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    crates-nix = {
+      url = "github:uttarayan21/crates.nix";
+      inputs.crates-io-index.follows = "crates-io-index";
+    };
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    crates-io-index = {
+      url = "github:rust-lang/crates.io-index";
+      flake = false;
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    crates-nix,
+    rust-overlay,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      overlays = [
+        # (final: prev: {
+        # })
+        rust-overlay.overlays.default
+      ];
+      pkgs = import nixpkgs {
+        inherit system overlays;
+      };
+      crates = crates-nix.mkLib {inherit pkgs;};
+      stableToolchain = pkgs.rust-bin.stable.latest.default.override {
+        targets = ["thumbv7em-none-eabihf"];
+        extensions = ["rust-src" "llvm-tools"];
+      };
+      stableToolchainWithLLvmTools = pkgs.rust-bin.stable.latest.default.override {
+        targets = ["thumbv7em-none-eabihf"];
+        extensions = ["rust-src" "llvm-tools"];
+      };
+      stableToolchainWithRustAnalyzer = pkgs.rust-bin.stable.latest.default.override {
+        targets = ["thumbv7em-none-eabihf"];
+        extensions = ["rust-src" "llvm-tools" "rust-analyzer"];
+      };
+    in {
+      # packages = {
+      # };
+      devShells.default = pkgs.mkShell {
+        nativeBuildInputs = with pkgs; [clang pkg-config];
+        buildInputs = with pkgs; [libiconv];
+        # PKG_CONFIG_PATH = pkgs.lib.makeSearchPath "lib/pkgconfig" (with pkgs; [ncnn]);
+        LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
+        packages = with pkgs; [
+          (crates.buildCrate "rmkit" {})
+          (crates.buildCrate "cargo-hex-to-uf2" {})
+          flip-link
+          cargo-make
+          cargo-binutils
+          stableToolchainWithRustAnalyzer
+        ];
+      };
+    });
+}