Build Wii U binaries via github actions

.github/workflows/building.yml

@@ -31,4 +31,18 @@ jobs:
     - uses: actions/upload-artifact@master
       with:
        name: linux-x86-64-shared
-       path: "./cmake-build/SDL2_Playground"
+       path: "./cmake-build/SDL2_Playground"
+  build-wiiu-binary:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+    - name: build binary
+      run: |
+        docker build . -f Dockerfile.wiiu  -t sdl2_playground-builder-wiiu
+        docker run --rm -v ${PWD}:/project sdl2_playground-builder-wiiu make -f Makefile.wiiu
+    - uses: actions/upload-artifact@master
+      with:
+       name: wiiu
+       path: "*.rpx"

Dockerfile.wiiu

@@ -1,5 +1,3 @@
-FROM wiiuenv/devkitppc:20200810
-
-RUN dkp-pacman -Syu && dkp-pacman -S --noconfirm wiiu-sdl2-libs && dkp-pacman -Scc --noconfirm
+FROM wiiuenv/devkitppc-with-sdl2:20201002
 
 WORKDIR project

README.md

@@ -61,7 +61,7 @@ docker run -it --rm -v ${PWD}:/project sdl2_playground-builder-pc-win make -f .\
 ```
 docker build . -f .\Dockerfile.wiiu  -t sdl2_playground-builder-wiiu
 
-docker run -it --rm -v ${PWD}:/project sdl2_playground-builder-wiiu make -f .\Makefile.wiiu -j16
+docker run -it --rm -v ${PWD}:/project sdl2_playground-builder-wiiu make -f Makefile.wiiu -j16
 ```
 
 ### With local installation