Add flake.nix

.gitignore

@@ -5,6 +5,6 @@ bin/*
 
 .clangd
 
-include/binding/ruby_compiled.h
+include/bindings/ruby_compiled.h
 
 p.vim

Makefile

@@ -23,9 +23,9 @@ SDL_LIBS_RELEASE := $(shell pkg-config --libs sdl3 sdl3-ttf sdl3-image)
 
 CFLAGS_DEBUG := \
 	-std=c++20 -Wall -Wextra \
-	-O0 -g -fno-omit-frame-pointer \
+	-Og -g -fno-omit-frame-pointer \
 	-Wno-unused-command-line-argument \
-	-I./include -I./libs/mruby/include \
+	-I./include -I./libs/mruby/build/host/include \
 	$(SDL_CFLAGS)
 
 CFLAGS_RELEASE := \
@@ -33,7 +33,7 @@ CFLAGS_RELEASE := \
 	-flto=thin \
 	-fno-rtti -fomit-frame-pointer -DNDEBUG -s \
 	-Wno-unused-command-line-argument \
-	-I./include -I./libs/mruby/include \
+	-I./include -I./libs/mruby/build/host/include \
 	$(SDL_CFLAGS)
 
 PCH_CFLAGS_DEBUG := $(CFLAGS_DEBUG) -x c++-header
@@ -123,4 +123,4 @@ $(OBJ_DIR)/release/%.o: $(SRC_DIR)/%.cc $(PCH_RELEASE)
 clean:
 	@rm -rf $(OBJ_DIR) $(BIN_DIR)
 	@$(MGEM_DIR)/compile.sh clean
-	@echo "Cleaned build artifacts."
+	@echo "Cleaned build artifacts."

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1783224372,
+        "narHash": "sha256-8i/87eeoqiGE4yOTjwSA3Eh/ziJRQEmd/unYU+K27sk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d407951447dcd00442e97087bf374aad70c04cea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,41 @@
+{
+  description = "game";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" ];
+
+      forAllSystems = f:
+        nixpkgs.lib.genAttrs systems (system:
+          f (import nixpkgs {
+            inherit system;
+          }));
+    in {
+      devShells = forAllSystems (pkgs: {
+        default = pkgs.mkShell {
+          packages = with pkgs; [
+            clang
+            ccache
+            pkg-config
+            gnumake
+            ruby
+            xxd
+
+            sdl3
+            sdl3-ttf
+            sdl3-image
+          ];
+
+          shellHook = ''
+            export CC=clang
+            export CXX=clang++
+            export LD=clang
+          '';
+        };
+      });
+    };
+}