initial working sketch in go on raylib

2025-12-14 01:04:00 -06:00
commit 7ce7910365
6 changed files with 294 additions and 0 deletions
--- a/flake.nix
+++ b/flake.nix
@@ -0,0 +1,100 @@
+{
+  description = "Go + raylib-go sketch project";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+
+        # Your Go module name (optional; buildGoModule can infer from go.mod)
+        pname = "sumi";
+        version = "0.1.0";
+
+        # Common native deps for raylib + windowing/audio.
+        # raylib itself in nixpkgs already brings many deps, but being explicit
+        # here makes devShell + builds more predictable.
+        nativeDeps = with pkgs; [
+          pkg-config
+        ];
+
+        raylibDeps = with pkgs; [
+          raylib
+
+          # X11 stack (works under XWayland too)
+          xorg.libX11
+          xorg.libXcursor
+          xorg.libXi
+          xorg.libXinerama
+          xorg.libXrandr
+
+          # Wayland stack (raylib/glfw can use this depending on build/options)
+          wayland
+          libxkbcommon
+
+          # GL + audio
+          mesa
+          alsa-lib
+          pulseaudio
+        ];
+      in
+      {
+        packages.default = pkgs.buildGoModule {
+          inherit pname version;
+
+          src = self;
+
+          # raylib-go uses CGO to link against libraylib
+          env.CGO_ENABLED = 1;
+
+          # GOFLAGS = [ "-mod=mod" ];
+          # proxyVendor = true;
+
+          nativeBuildInputs = nativeDeps;
+          buildInputs = raylibDeps;
+
+          # If your main package isn’t at repo root, set this (examples):
+          # subPackages = [ "./cmd/sketch" ];
+
+          # First build will fail with a message containing the correct hash.
+          vendorHash = "sha256-pcNGzxHripkn9lX2R9O29nYvR+hWLxIev4KJmEhQwC8=";
+
+          # Optional: strip for smaller binaries
+          ldflags = [
+            "-s"
+            "-w"
+          ];
+
+          doCheck = false;
+        };
+
+        devShells.default = pkgs.mkShell {
+          # Tools you want while hacking
+          packages = with pkgs; [
+            go
+            gopls
+            delve
+            gotools
+          ];
+
+          nativeBuildInputs = nativeDeps;
+          buildInputs = raylibDeps;
+
+          # Helps CGO find headers/libs
+          shellHook = ''
+            export CGO_ENABLED=1
+          '';
+        };
+      }
+    );
+}