ci: use strategy matrix

.github/workflows/build.yml

@@ -5,6 +5,13 @@ on: [push, pull_request]
 jobs:
   Linux:
     runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        discord_rpc: [ON, OFF]
+        drag_drop: [ON, OFF]
+        netplay: [ON, OFF]
+        vru: [ON, OFF]
+        angrylion: [ON, OFF]
     steps:
       - uses: actions/checkout@v4
         with:
@@ -20,13 +27,23 @@ jobs:
         run: |
           echo "GIT_REVISION=$(git describe --tags --always)" >> $GITHUB_ENV
       - name: Build RMG (AppImage)
+        with:
+          discord_rpc: ${{ matrix.discord_rpc }}
+          drag_drop: ${{ matrix.drag_drop }}
+          netplay: ${{ matrix.netplay }}
+          vru: ${{ matrix.vru }}
+          angrylion: ${{ matrix.angrylion }}
         run: |
-          mkdir Build Build/AppImage Bin/ -p
+          export build_dir="$(pwd)/Build/$RANDOM"
           export src_dir="$(pwd)"
-          export build_dir="$(pwd)/Build/AppImage"
-          export bin_dir="$(pwd)/Bin/AppImage"
+          export bin_dir="$(pwd)/Bin/$RANDOM"
+          mkdir $build_dir Bin/ -p
           cmake -S "$src_dir" -B "$build_dir" -DCMAKE_BUILD_TYPE="Release" \
-                -DUSE_ANGRYLION=ON \
+                -DDISCORD_RPC=${discord_rpc} \
+                -DDRAG_DROP=${drag_drop} \
+                -DNETPLAY=${netplay} \
+                -DVRU=${vru} \
+                -DUSE_ANGRYLION=${angrylion} \
                 -DCMAKE_INSTALL_PREFIX="/usr" \
                 -DCMAKE_INSTALL_LIBDIR="lib"  \
                 -DPORTABLE_INSTALL="OFF" \
@@ -35,15 +52,15 @@ jobs:
           cmake --build "$build_dir"
           cmake --install "$build_dir" --strip --prefix="$bin_dir/usr"
         shell: bash
-      - name: Create AppImage
-        run: |
-          ./Package/AppImage/Create.sh
-        shell: bash
-      - name: Upload RMG (AppImage)
-        uses: actions/upload-artifact@v4
-        with:
-          name: RMG-Portable-Linux64-${{ env.GIT_REVISION }}
-          path: Bin/*.AppImage
+#      - name: Create AppImage
+#        run: |
+#          ./Package/AppImage/Create.sh
+#        shell: bash
+#      - name: Upload RMG (AppImage)
+#        uses: actions/upload-artifact@v4
+#        with:
+#          name: RMG-Portable-Linux64-${{ env.GIT_REVISION }}
+#          path: Bin/*.AppImage
 
   Windows:
     runs-on: windows-2019