push

flake.nix

@@ -0,0 +1,30 @@
+{
+  description = "Lucy prime counting sieve";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+  outputs = { self, nixpkgs }: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+  in {
+    packages.${system}.default = pkgs.stdenv.mkDerivation {
+      pname = "lucy";
+      version = "1.0";
+      src = ./.;
+
+      buildInputs = [ pkgs.glibc ];
+
+      buildPhase = ''
+        gcc -O2 -o lucy main.c -lm
+      '';
+
+      installPhase = ''
+        mkdir -p $out/bin
+        cp lucy $out/bin/lucy
+      '';
+    };
+
+    devShells.${system}.default = pkgs.mkShell {
+      packages = [ pkgs.gcc pkgs.gdb pkgs.valgrind ];
+    };
+  };
+}