libnx port

.gitignore

@@ -5,4 +5,5 @@
 *.pdb
 *.exp
 *.manifest
-/nul
+/nul
+*.a

makefile.libretro

@@ -234,6 +234,22 @@ else ifeq ($(platform), switch)
    ENDIANNESS_DEFINES := -DLSB_FIRST
    PLATFORM_DEFINES := -marm -mcpu=cortex-a53 -mfpu=neon-fp-armv8 -mfloat-abi=hard
 
+# Nintendo Switch (libnx)
+else ifeq ($(platform), libnx)
+    include $(DEVKITPRO)/libnx/switch_rules
+    EXT=a
+    TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
+    DEFINES := -DSWITCH=1 -U__linux__ -U__linux -DRARCH_INTERNAL
+    CFLAGS	:=	 $(DEFINES) -g \
+                -O2 \
+				-fPIE -I$(LIBNX)/include/ -ffunction-sections -fdata-sections -ftls-model=local-exec -Wl,--allow-multiple-definition -specs=$(LIBNX)/switch.specs
+    CFLAGS += $(INCDIRS)
+    CFLAGS	+=	$(INCLUDE)  -D__SWITCH__ -DHAVE_LIBNX
+    CXXFLAGS := $(ASFLAGS) $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
+    CFLAGS += -std=gnu11
+    STATIC_LINKING = 1
+	ENDIANNESS_DEFINES := -DLSB_FIRST
+
 # Nintendo Game Cube / Wii / WiiU
 else ifneq (,$(filter $(platform), ngc wii wiiu))
    TARGET := $(TARGET_NAME)_libretro_$(platform).a