+ DYNAREC = ari64
+
+#Raspberry Pi 3 with a 64bit GNU/Linux OS
+else ifeq ($(platform), rpi3_64)
+ TARGET := $(TARGET_NAME)_libretro.so
+ ARCH := arm64
+ BUILTIN_GPU = unai
+ DYNAREC = ari64
+ fpic := -fPIC
+ CFLAGS += -march=armv8-a+crc+simd -mtune=cortex-a53 -ftree-vectorize
+
+#Raspberry Pi 4 with a 32bit GNU/Linux OS
+else ifeq ($(platform), rpi4)
+ TARGET := $(TARGET_NAME)_libretro.so
+ fpic := -fPIC
+ CFLAGS += -marm -mcpu=cortex-a72 -mfpu=neon-fp-armv8 -mfloat-abi=hard
+ ASFLAGS += -mcpu=cortex-a72 -mfpu=neon-fp-armv8 -mfloat-abi=hard
+ HAVE_NEON = 1
+ HAVE_NEON_ASM = 1
+ ARCH = arm
+ BUILTIN_GPU = neon
+ DYNAREC = ari64
+
+#Raspberry Pi 4 with a 64bit GNU/Linux OS
+else ifeq ($(platform), rpi4_64)
+ TARGET := $(TARGET_NAME)_libretro.so
+ ARCH := arm64
+ BUILTIN_GPU = unai
+ DYNAREC = ari64
+ fpic := -fPIC
+ CFLAGS += -march=armv8-a+crc+simd -mtune=cortex-a72 -ftree-vectorize
+
+# Classic Platforms ####################
+# Platform affix = classic_<ISA>_<µARCH>
+# Help at https://modmyclassic.com/comp
+
+# (armv7 a7, hard point, neon based) ###
+# NESC, SNESC, C64 mini
+else ifeq ($(platform), classic_armv7_a7)
+ TARGET := $(TARGET_NAME)_libretro.so
+ fpic := -fPIC
+ CFLAGS += -Ofast \
+ -flto=4 -fwhole-program -fuse-linker-plugin \
+ -fdata-sections -ffunction-sections -Wl,--gc-sections \
+ -fno-stack-protector -fno-ident -fomit-frame-pointer \
+ -falign-functions=1 -falign-jumps=1 -falign-loops=1 \
+ -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-unroll-loops \
+ -fmerge-all-constants -fno-math-errno \
+ -marm -mtune=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard
+ CXXFLAGS += $(CFLAGS)
+ CPPFLAGS += $(CFLAGS)
+ ASFLAGS += $(CFLAGS)
+ HAVE_NEON = 1
+ HAVE_NEON_ASM = 1
+ ARCH = arm
+ BUILTIN_GPU = neon
+ DYNAREC = ari64
+ ifeq ($(shell echo `$(CC) -dumpversion` "< 4.9" | bc -l), 1)
+ CFLAGS += -march=armv7-a
+ else
+ CFLAGS += -march=armv7ve
+ # If gcc is 5.0 or later
+ ifeq ($(shell echo `$(CC) -dumpversion` ">= 5" | bc -l), 1)
+ LDFLAGS += -static-libgcc -static-libstdc++
+ endif
+ endif
+
+# (armv8 a35, hard point, neon based) ###
+# PlayStation Classic
+else ifeq ($(platform), classic_armv8_a35)
+ TARGET := $(TARGET_NAME)_libretro.so
+ fpic := -fPIC
+ CFLAGS += -Ofast \
+ -fmerge-all-constants -fno-math-errno -march=armv8-a \
+ -marm -mcpu=cortex-a35 -mtune=cortex-a35 -mfpu=neon-fp-armv8 -mfloat-abi=hard
+ HAVE_NEON = 1
+ HAVE_NEON_ASM = 1
+ ARCH = arm
+ BUILTIN_GPU = neon
+ DYNAREC = ari64
+ LDFLAGS += -static-libgcc -static-libstdc++ -fPIC
+
+#######################################