add CI building them all

Author: PedroHLC

.github/workflows/main.yml

@@ -0,0 +1,23 @@
+name: Build main
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - name: Build
+        run: nix build -L --no-link --keep-going .#all

flake.nix

@@ -1,15 +1,29 @@
 {
   inputs.nixpkgs.url = https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz;
-  outputs = { self, nixpkgs }: {
-    packages.x86_64-linux = with nixpkgs.legacyPackages.x86_64-linux; {
+  outputs = { self, nixpkgs }: rec {
+    packages.x86_64-linux = with nixpkgs.legacyPackages.x86_64-linux; rec {
       native32 = with pkgsi686Linux; {
         gcc = callPackage ./rebuild_PC { ctrModSDK = self; };
         clang = callPackage ./rebuild_PC { ctrModSDK = self; stdenv = clangStdenv;  };
       };
-      mingw32 = with mingw32; {
+      mingw32 = with pkgsCross.mingw32; {
         gcc = callPackage ./rebuild_PC { ctrModSDK = self; };
         clang = callPackage ./rebuild_PC { ctrModSDK = self; stdenv = clangStdenv;  };
       };
+      all = stdenvNoCC.mkDerivation {
+        name = "ctr-join";
+        dontUnpack = true;
+        dontBuild = true;
+        installPhase = ''
+          mkdir $out
+          ln -s ${native32.gcc} $out/native32-gcc
+          ln -s ${native32.clang} $out/native32-clang
+          ln -s ${mingw32.gcc} $out/mingw32-gcc
+          ln -s ${mingw32.clang} $out/mingw32-clang
+        '';
+      };
     };
+    # default
+    package.x86_64-linux = packages.x86_64-linux.native32.gcc;
   };
 }