feat(ci): add ci

Signed-off-by: dark0dave <dark0dave@mykolab.com>

Author: dark0dave

.envrc.sample

@@ -0,0 +1,2 @@
+set -a
+use flake

.github/workflows/main.yaml

@@ -0,0 +1,36 @@
+name: main
+on:
+  pull_request:
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+jobs:
+  build-linux:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@main
+      - name: build tileconv
+        run: |
+          sudo apt-get update -yqqq
+          sudo apt-get install -yqqq libsquish-dev zlib1g-dev libimagequant0 libjpeg-turbo
+          make -j$(npoc) -C tileconv
+      - uses: actions/upload-artifact@v4
+        with:
+          name: ubuntu-22.04
+          path: tileconv/tileconv
+          if-no-files-found: error
+  build-nix:
+    strategy:
+      matrix:
+        include:
+          - os: macos-latest
+          - os: macos-15-intel
+          - os: ubuntu-24.04
+          - os: ubuntu-24.04-arm
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@main
+      - uses: cachix/install-nix-action@master
+        with:
+          nix_path: nixpkgs=channel:nixos-25.11
+      - run: |
+          nix-build

.gitignore

@@ -26,3 +26,7 @@
 /Debug
 /Release
 /.settings
+
+.direnv
+.envrc
+result

default.nix

@@ -0,0 +1,30 @@
+let
+nixpkgs_unstable = import (fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-unstable-small") { };
+in
+{ pkgs ? nixpkgs_unstable, ... }:
+pkgs.stdenv.mkDerivation rec {
+  name = "tileconv";
+  src = ./tileconv;
+  nativeBuildInputs = with pkgs; [
+    gnumake
+    libjpeg8
+    libsquish
+    libimagequant
+    zlib
+  ];
+  buildInputs = with pkgs; [
+    git
+  ];
+  configurePhase = ''
+    make clean
+    mkdir -p $out/bin
+  '';
+  buildPhase = ''
+    make -j$(nproc) all
+    cp tileconv $out/bin/tileconv
+  '';
+  installPhase = ''
+    ls $out
+  '';
+  enableParallelBuilding = true;
+}

flake.lock

@@ -0,0 +1,42 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+  };
+  outputs = { self, nixpkgs }:
+    let 
+      systems = [
+        "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin"
+      ];
+      forEachSystem = f: nixpkgs.lib.genAttrs systems (system: f system);
+      pkgsFor = nixpkgs.legacyPackages;
+    in {
+      devShells = forEachSystem (system:
+        let
+          pkgs = import nixpkgs { inherit system; };
+        in {
+          default = pkgs.stdenv.mkDerivation {
+            name = "tileconv";
+            src = ./tileconv;
+            # Libs
+            buildInputs = with pkgs; [
+              gnumake
+              libjpeg8
+              libsquish
+              libimagequant
+              zlib
+            ];
+            # Tools
+            nativeBuildInputs = with pkgs; [
+              direnv
+              git
+            ];
+            # Env
+            shellHook = ''
+            '';
+          };
+        });
+      packages = forEachSystem (system: {
+        default = pkgsFor.${system}.callPackage ./default.nix { pkgs = import nixpkgs { inherit system; }; };
+      });
+    };
+}

flake.nix

@@ -6,7 +6,6 @@ include config.mk
 
 CXX           ?= g++
 CXXFLAGS      = -c -Wall -O2 -std=c++11 -msse -mfpmath=sse -I$(ZLIB_INCLUDE) -I$(PNGQUANT_INCLUDE) -I$(SQUISH_INCLUDE) -I$(JPEG_INCLUDE)
-LDFLAGS       = -L$(ZLIB_LIB) -L$(PNGQUANT_LIB) -L$(SQUISH_LIB) -L$(JPEG_LIB)
 LIBS          = -lz -limagequant -lsquish -ljpeg
 EXECUTABLE    = tileconv
 
@@ -78,5 +77,4 @@ $(EXECUTABLE): $(OBJECTS)
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $< -o $@
 
 clean:
-	$(RM) $(OBJECTS)
-#	$(RM) *.o
+	$(RM) -f *.o

tileconv/Makefile

@@ -22,7 +22,7 @@ THE SOFTWARE.
 #ifndef _COLORQUANT_H_
 #define _COLORQUANT_H_
 
-#include <lib/libimagequant.h>
+#include <libimagequant.h>
 
 namespace tc {
 

tileconv/colorquant.h

@@ -1,17 +1,5 @@
 # Where to install (Linux/Mac only)
 INSTALL_DIR       ?= /usr/local
 
-# Include paths of the external libraries
-ZLIB_INCLUDE      ?= ./zlib
-SQUISH_INCLUDE    ?= ./squish
-PNGQUANT_INCLUDE  ?= ./pngquant
-JPEG_INCLUDE      ?= ./jpeg-turbo
-
-# Paths to the libraries
-ZLIB_LIB          ?= ./zlib
-SQUISH_LIB        ?= ./squish
-PNGQUANT_LIB      ?= ./pngquant/lib
-JPEG_LIB          ?= ./jpeg-turbo
-
 # Set to 1 when compiling on Windows using Win32 threads
 USE_WINTHREADS    ?= 0