Add C flake

c/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1695609632,
+        "narHash": "sha256-+RWYu7xDgYI7KhzKv2Cdqb0mkPFsEr0FcV5mrUAu0SI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0a017f947fc9a060bfdd79a8e885f1d54fd8a592",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

c/flake.nix

@@ -0,0 +1,28 @@
+{
+  description = "C Flake";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+  flake-utils.lib.eachDefaultSystem
+  ( system:
+  let
+    pkgs = import nixpkgs {
+      inherit system;
+      config.allowUnfree = true;
+    };
+  in {
+    devShells.default = pkgs.mkShell {
+      packages = with pkgs; [
+        cmake
+        gcc
+        gnumake
+        valgrind
+
+        # You might want to use your own IDE.
+        jetbrains.clion
+      ];
+    };
+  });
+}