Add PSVita github workflow

.github/workflows/PSVita.yml

@@ -0,0 +1,39 @@
+name: CI PSVita
+
+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-vita:latest
+      options: --user root
+
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Compile Salamander
+      run: |
+        make -f Makefile.vita.salamander -j$(getconf _NPROCESSORS_ONLN) clean
+        make -f Makefile.vita.salamander -j$(getconf _NPROCESSORS_ONLN)
+    
+    - name: Compile RA
+      run: |
+        make -f Makefile.vita -j$(getconf _NPROCESSORS_ONLN) clean
+        make -f Makefile.vita -j$(getconf _NPROCESSORS_ONLN) HAVE_STATIC_DUMMY=1 HAVE_VITAGLES=1
+    - name: Get short SHA
+      id: slug
+      run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
+    
+    - uses: actions/upload-artifact@v3
+      with:
+        name: RA-PSVita-dummy-${{ steps.slug.outputs.sha8 }}
+        path: |
+          eboot.bin

Makefile.vita

@@ -3,6 +3,7 @@ DEBUG               ?= 0
 HAVE_FILE_LOGGER	= 1
 GRIFFIN_BUILD        = 0
 WHOLE_ARCHIVE_LINK   = 0
+HAVE_STATIC_DUMMY ?= 0
 
 VITA_TITLE_ID	:= RETROARCH
 VITA_TITLE_NAME	:= RetroArch
@@ -181,7 +182,15 @@ else
    FSELF_FLAGS := -s
 endif
 
-LIBS	:= $(WHOLE_START) -lretro_vita $(WHOLE_END) $(VITA_LIBS) -lm -lc
+LIBS	:= $(WHOLE_START) 
+
+ifeq ($(HAVE_STATIC_DUMMY),1)
+  DEFINES += -DHAVE_STATIC_DUMMY
+else
+  LIBS += -lretro_vita
+endif
+
+LIBS    += $(WHOLE_END) $(VITA_LIBS) -lm -lc
 
 TARGETS := $(TARGET).vpk
 
@@ -218,7 +227,7 @@ liblibScePiglet_stub.a:
 	make -C deps/Pigs-In-A-Blanket/piglet_stub/libScePiglet ARCH=arm-vita-eabi
 	cp deps/Pigs-In-A-Blanket/piglet_stub/libScePiglet/liblibScePiglet_stub.a .
 
-$(TARGET).elf: $(OBJ) libretro_vita.a liblibScePiglet_stub.a
+$(TARGET).elf: $(OBJ) liblibScePiglet_stub.a
 	$(LD) $(OBJ) $(LDFLAGS) $(LIBDIRS) $(LIBS) -o $@
 
 %.velf: %.elf