smsplus-gx/Makefile.gcw0

PRGNAME     = sms_sdl
CC			= /opt/gcw0-toolchain/usr/bin/mipsel-linux-gcc

# Possible choices : rs97, k3s (PAP K3S), sdl, amini, fbdev
PORT = gcw0
# 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 = APPLY
ZIP_SUPPORT = 1
HUGE_PAGES = 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		= -Ofast -fdata-sections -ffunction-sections -mframe-header-opt -mno-fp-exceptions -mno-check-zero-division -fsingle-precision-constant -fno-common -march=mips32r2 -mtune=mips32r2 -flto
# SMS Plus GX suffers from alignment issues so setting these to 1 helps.
CFLAGS		+= -falign-functions=1 -falign-jumps=1 -falign-loops=1 -falign-labels=1
CFLAGS		+= -fipa-pta -fsection-anchors -fdelete-dead-exceptions
CFLAGS		+= -DALIGN_DWORD -DNOBLANKING_LEFTCOLUM -DOPENDINGUX_GCD_16PIXELS_ISSUE
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 ($(PROFILE), YES)
CFLAGS 		+= -fprofile-generate=/usr/local/home/.smsplus
else ifeq ($(PROFILE), APPLY)
CFLAGS		+= -fprofile-use -fbranch-probabilities
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

ifeq ($(HUGE_PAGES), 0)
LDFLAGS		= -nodefaultlibs
endif
LDFLAGS     += -lc -lgcc -lSDL -lasound -lm -flto -s
ifeq ($(HUGE_PAGES), 1)
LDFLAGS		+= -Wl,-zcommon-page-size=2097152 -Wl,-zmax-page-size=2097152 -lhugetlbfs
endif

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) $^ $(LDFLAGS)
ifeq ($(HUGE_PAGES), 1)
	hugeedit --text --data $(PRGNAME)
endif

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