DEBUG ?= 0
WANT_ZLIB ?= 1
HAVE_CHD ?= 1
+USE_LIBRETRO_VFS ?= 0
+ENABLE_ICACHE_EMULATION ?= 1
# Dynarec options: lightrec, ari64
DYNAREC ?= lightrec
LIBDL :=
LIBM :=
+#Raspberry Pi 1
+else ifeq ($(platform), rpi1)
+ TARGET := $(TARGET_NAME)_libretro.so
+ fpic := -fPIC
+ CFLAGS += -marm -mcpu=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard
+ ASFLAGS += -mcpu=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard
+ HAVE_NEON = 0
+ ARCH = arm
+ BUILTIN_GPU = unai
+ DYNAREC = ari64
+
#Raspberry Pi 2
else ifeq ($(platform), rpi2)
TARGET := $(TARGET_NAME)_libretro.so
BUILTIN_GPU = neon
DYNAREC = ari64
+#Raspberry Pi 3 with a 64bit GNU/Linux OS
+else ifeq ($(platform), rpi3_64)
+ TARGET := $(TARGET_NAME)_libretro.so
+ ARCH := arm64
+ BUILTIN_GPU = unai
+ DYNAREC = lightrec
+ fpic := -fPIC
+ CFLAGS += -march=armv8-a+crc+simd -mtune=cortex-a53 -ftree-vectorize
+
#Raspberry Pi 4 with a 32bit GNU/Linux OS
else ifeq ($(platform), rpi4)
TARGET := $(TARGET_NAME)_libretro.so
LIBPTHREAD :=
LIBDL :=
LIBM :=
+ USE_LIBRETRO_VFS = 1
endif
CFLAGS += $(fpic)