Makefile.funkey

PRGNAME     = sms_sdl
CC          = /opt/funkey-toolchain/bin/arm-linux-gcc

# Possible choices : rs97, k3s (PAP K3S), sdl, amini, fbdev
PORT = funkey
# Possible choices : alsa, pulse (pulseaudio), oss, sdl12 (SDL 1.2 sound output), portaudio, libao
SOUND_OUTPUT = alsa
# Possible choices : crabemu_sn76489 (less accurate, GPLv2), maxim_sn76489 (somewhat problematic license but good accuracy)
SOUND_ENGINE = maxim_sn76489
# Possible choices : z80 (accurate), eighty (EightyZ80's core, GPLv2)
Z80_CORE = z80
SCALE2X_UPSCALER = 1
PROFILE = 0
ZIP_SUPPORT = 1

SRCDIR		= ./source ./source/cpu_cores/$(Z80_CORE) ./source/sound ./source/unzip
SRCDIR		+= ./source/scalers ./source/ports/$(PORT) ./source/sound/$(SOUND_ENGINE) ./source/sound_output/$(SOUND_OUTPUT)
VPATH		= $(SRCDIR)
SRC_C		= $(foreach dir, $(SRCDIR), $(wildcard $(dir)/*.c))
SRC_CP		= $(foreach dir, $(SRCDIR), $(wildcard $(dir)/*.cpp))
OBJ_C		= $(notdir $(patsubst %.c, %.o, $(SRC_C)))
OBJ_CP		= $(notdir $(patsubst %.cpp, %.o, $(SRC_CP)))
OBJS		= $(OBJ_C) $(OBJ_CP)

CFLAGS		= -Wall -Wextra -Ofast -fsingle-precision-constant -fno-PIC -flto -fno-common
CFLAGS		+= -std=gnu99

CFLAGS		+= -DNOBLANKING_LEFTCOLUM
CFLAGS		+= -DLSB_FIRST -std=gnu99
CFLAGS		+= -Isource -Isource/cpu_cores/$(Z80_CORE) -Isource/scalers -Isource/ports/$(PORT) -I./source/sound -Isource/unzip -Isource/sdl -Isource/sound/$(SOUND_ENGINE) -Isource/sound_output

SRCDIR		+= ./source/text/fb
CFLAGS		+= -Isource/text/fb

ifeq ($(PROFILE), YES)
CFLAGS 		+= -fprofile-generate=/mnt/smsplusgx_profile
endif
ifeq ($(PROFILE), APPLY)
CFLAGS 		+= -fprofile-use
endif

ifeq ($(SOUND_ENGINE), maxim_sn76489)
CFLAGS 		+= -DMAXIM_PSG
endif

ifeq ($(ZIP_SUPPORT), 0)
CFLAGS 		+= -DNOZIP_SUPPORT
endif

ifeq ($(SCALE2X_UPSCALER), 1)
CFLAGS 		+= -DSCALE2X_UPSCALER
CFLAGS		+= -Isource/scale2x
SRCDIR		+= ./source/scale2x
endif

CFLAGS		+= -march=armv7-a+neon-vfpv4 -mtune=cortex-a7 -mfpu=neon-vfpv4
CFLAGS		+= -fdata-sections -ffunction-sections -fsingle-precision-constant -freorder-functions -fno-math-errno -fgcse-las -fgcse-sm -fmerge-all-constants
CXXFLAGS	= $(CFLAGS) -ftree-vectorize -fno-rtti -fno-exceptions -fno-threadsafe-statics -fno-enforce-eh-specs -fstrict-enums -std=gnu++11
LDFLAGS     = -nodefaultlibs -lc -lgcc -lm -lSDL -lasound -lz -pthread -Wl,-z,norelro -Wl,--hash-style=gnu -Wl,--build-id=none -Wl,-O1,--sort-common,--as-needed,--gc-sections -flto -no-pie -s

ifeq ($(SOUND_OUTPUT), portaudio)
LDFLAGS		+= -lportaudio
endif
ifeq ($(SOUND_OUTPUT), libao)
LDFLAGS		+= -lao
endif
ifeq ($(SOUND_OUTPUT), alsa)
LDFLAGS		+= -lasound
endif
ifeq ($(SOUND_OUTPUT), pulse)
LDFLAGS		+= -lpulse -lpulse-simple
endif

# Rules to make executable
$(PRGNAME): $(OBJS)  
	$(CC) $(CFLAGS) -o $(PRGNAME) $^ $(LDFLAGS)

$(OBJ_C) : %.o : %.c
	$(CC) $(CFLAGS) -c -o $@ $<
	
clean:
	rm -f $(PRGNAME) *.o