Add 3DS workflow

.github/workflows/3DS.yml

@@ -0,0 +1,39 @@
+name: CI 3DS
+
+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-devkitpro:latest
+      options: --user root
+
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Compile Salamander
+      run: |
+        make -f Makefile.ctr.salamander -j$(getconf _NPROCESSORS_ONLN) USE_CTRULIB_2=1 clean
+        make -f Makefile.ctr.salamander -j$(getconf _NPROCESSORS_ONLN) USE_CTRULIB_2=1
+    
+    - name: Compile RA
+      run: |
+        make -f Makefile.ctr -j$(getconf _NPROCESSORS_ONLN) USE_CTRULIB_2=1 clean
+        make -f Makefile.ctr -j$(getconf _NPROCESSORS_ONLN) USE_CTRULIB_2=1 HAVE_STATIC_DUMMY=1
+    - name: Get short SHA
+      id: slug
+      run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
+    
+    - uses: actions/upload-artifact@v3
+      with:
+        name: RA-3DS-dummy-${{ steps.slug.outputs.sha8 }}
+        path: |
+          retroarch_3ds.cia

Makefile.ctr

@@ -4,6 +4,7 @@ LIBRETRO =
 DEBUG                   = 0
 CONSOLE_LOG             = 0
 GRIFFIN_BUILD           = 1
+HAVE_STATIC_DUMMY ?= 0
 WHOLE_ARCHIVE_LINK      = 0
 BUILD_3DSX              = 1
 BUILD_3DS               = 0
@@ -201,10 +202,19 @@ CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
 
 ASFLAGS	 := -g $(ARCH) -O3
 LDFLAGS  += -specs=ctr/3dsx_custom.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
-
 CFLAGS   += -std=gnu99 -ffast-math
 
-LIBS	:= $(WHOLE_START) -lretro_ctr $(WHOLE_END) -lm
+LIB_CORE      :=
+LIB_CORE_FULL :=
+
+ifeq ($(HAVE_STATIC_DUMMY),1)
+  DEFINES += -DHAVE_STATIC_DUMMY
+else
+  LIB_CORE      += -lretro_ctr
+  LIB_CORE_FULL += libretro_ctr.a
+endif
+
+LIBS	:= $(WHOLE_START) $(LIB_CORE) $(WHOLE_END) -lm
 
 ifeq ($(DEBUG), 1)
 	LIBS	+= -lctrud
@@ -230,7 +240,7 @@ all: $(TARGET)
 
 $(TARGET): $(TARGET_3DSX) $(TARGET_3DS) $(TARGET_CIA)
 $(TARGET).3dsx: $(TARGET).elf
-$(TARGET).elf: $(OBJ) libretro_ctr.a
+$(TARGET).elf: $(OBJ) $(LIB_CORE_FULL)
 
 PREFIX		:=	$(DEVKITARM)/bin/arm-none-eabi-