IT'S ALIVE

flake.nix

@@ -1,8 +1,8 @@
 {
   inputs = {
     nixpkgs.url = "nixpkgs/nixpkgs-unstable";
-    # hs-bindgen.url = "github:well-typed/hs-bindgen";
-    hs-bindgen.url = "github:well-typed/hs-bindgen/dom/1415/bug-report";
+    hs-bindgen.url = "github:well-typed/hs-bindgen/fd74e8fa4216eccd67069ec9d8637b57000ffc83";
+    self.submodules = true;
   };
   outputs = {
     nixpkgs,
@@ -10,40 +10,68 @@
     self,
     ...
   }: let
+    version = "0.3.0";
+    package = {
+      mkDerivation,
+      base,
+      bindings-DSL,
+      c-expr-runtime,
+      gl,
+      hs-bindgen-runtime,
+      lib,
+      libGL,
+      libX11,
+      xcursor,
+      xi,
+      xrandr,
+    }:
+      mkDerivation {
+        pname = "hs-rgfw";
+        inherit version;
+        src = ./.;
+        libraryHaskellDepends = [
+          base
+          bindings-DSL
+          c-expr-runtime
+          hs-bindgen-runtime
+        ];
+        libraryPkgconfigDepends = [
+          gl
+          libGL
+          libX11
+          xcursor
+          xi
+          xrandr
+        ];
+        homepage = "https://git.mtgmonkey.net/Andromeda/hs-rgfw";
+        license = lib.licenses.bsd3;
+        platforms = ["x86_64-linux"];
+      };
     system = "x86_64-linux";
-    pkgs = nixpkgs.legacyPackages.${system};
+    pkgs = import nixpkgs {
+      inherit system;
+      overlays = [
+        hs-bindgen.overlays.libclangBindings
+        hs-bindgen.overlays.hsBindgen
+      ];
+    };
   in {
     devShells.${system} = {
       default = pkgs.mkShell {
         stdenv = pkgs.clangStdenv;
         packages = [
-          pkgs.pkg-config
-          pkgs.xorg.libX11
-          pkgs.xorg.libXcursor
-          pkgs.xorg.libXrandr
-          pkgs.xorg.libXi
-          pkgs.libGL
           pkgs.clang
-          hs-bindgen.packages.${system}.default
+          pkgs.cabal-install
         ];
-        shellHook = ''
-          # template
-          # export BINDGEN_EXTRA_CLANG_ARGS="$BINDGEN_EXTRA_CLANG_ARGS "
-
-          # c flags from Nix
-          export BINDGEN_EXTRA_CLANG_ARGS="$BINDGEN_EXTRA_CLANG_ARGS $(cat ${pkgs.clang}/nix-support/cc-cflags) $(cat ${pkgs.clang}/nix-support/libc-cflags) $NIX_CFLAGS_COMPILE"
-
-          # pkg-config for libraries
-          export BINDGEN_EXTRA_CLANG_ARGS="$BINDGEN_EXTRA_CLANG_ARGS $(pkg-config --cflags --libs x11 xrandr xcursor xi gl)"
-
-          # add local headers
-          export BINDGEN_EXTRA_CLANG_ARGS="$BINDGEN_EXTRA_CLANG_ARGS -isystem $PWD/lib"
-
-          # no global include
-          # export BINDGEN_BUILTIN_INCLUDE_DIR=disable
-
-          echo $BINDGEN_EXTRA_CLANG_ARGS
-        '';
+        inputsFrom = [
+          self.packages.${system}.default
+        ];
+      };
+    };
+    packages.${system} = {
+      default = pkgs.haskellPackages.callPackage package {
+        xcursor = pkgs.xorg.libXcursor;
+        xi = pkgs.xorg.libXi;
       };
     };
   };