Add WiiU workflow

.github/workflows/WiiU.yml

@@ -0,0 +1,39 @@
+name: CI WiiU
+
+on:
+  push:
+  pull_request:
+  repository_dispatch:
+    types: [run_build]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: 
+      image: git.libretro.com:5050/libretro-infrastructure/libretro-build-wiiu:latest
+      options: --user root
+
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Compile Salamander
+      run: |
+        make -f Makefile.wiiu -j$(getconf _NPROCESSORS_ONLN) SALAMANDER_BUILD=1 clean
+        make -f Makefile.wiiu -j$(getconf _NPROCESSORS_ONLN) SALAMANDER_BUILD=1
+    
+    - name: Compile RA
+      run: |
+        make -f Makefile.wiiu -j$(getconf _NPROCESSORS_ONLN) clean
+        make -f Makefile.wiiu -j$(getconf _NPROCESSORS_ONLN) HAVE_STATIC_DUMMY=1
+    - name: Get short SHA
+      id: slug
+      run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
+    
+    - uses: actions/upload-artifact@v3
+      with:
+        name: RA-WiiU-dummy-${{ steps.slug.outputs.sha8 }}
+        path: |
+          retroarch.rpx

Makefile.wiiu

@@ -5,6 +5,7 @@ BUILD_RPX                  = 1
 DEBUG                      = 0
 GRIFFIN_BUILD              = 0
 SALAMANDER_BUILD           = 0
+HAVE_STATIC_DUMMY ?= 0
 WHOLE_ARCHIVE_LINK         = 0
 WIIU_HID                   = 1
 HAVE_HID                   = 1
@@ -224,7 +225,16 @@ ifeq ($(WHOLE_ARCHIVE_LINK), 1)
    WHOLE_END := -Wl,--no-whole-archive
 endif
 
-LIBS := $(WHOLE_START) -lretro_wiiu $(WHOLE_END) -lm
+LIB_CORE :=
+
+ifeq ($(HAVE_STATIC_DUMMY),1)
+  DEFINES += -DHAVE_STATIC_DUMMY
+else
+  LIB_CORE += -lretro_wiiu
+endif
+
+
+LIBS := $(WHOLE_START) $(LIB_CORE) $(WHOLE_END) -lm
 
 # Use portlibs zlib if deps/ isn't being used
 ifeq ($(HAVE_ZLIB),1)