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GIT_VERSION := "$(shell git describe --abbrev=7 --dirty --always)"
PRGNAME = snes9x
VIDEO_BACKEND = sdl
INPUT_BACKEND = sdl
SOUND_BACKEND = alsa
PREFIX = arm-linux
# define regarding OS, which compiler to use
CC = $(PREFIX)-gcc
STRIP = $(PREFIX)-strip
AS = $(PREFIX)-as
GASM = $(PREFIX)-g++
SYSROOT := $(shell $(CC) --print-sysroot)
SDL_CFLAGS := $(shell $(SYSROOT)/usr/bin/sdl-config --cflags)
SDL_LIBS := $(shell $(SYSROOT)/usr/bin/sdl-config --libs)
# change compilation / linking flag options
CFLAGS = -DLSB_FIRST -DFAST_ALIGNED_LSB_WORD_ACCESS -I. -Ilibretro-common/include -Isrc -DINLINE="inline" -DRIGHTSHIFT_IS_SAR
CFLAGS += -Isource -I./shell/emu -I./shell/scalers -I./shell/emu -I./shell/audio -I./shell/menu -I./shell/video/sdl -I./shell/input -Ishell/headers
CFLAGS += -Ofast -fsingle-precision-constant -fno-PIC -flto
ifndef PROFILE
CFLAGS += -falign-functions=1 -falign-jumps=1 -falign-loops=1 -falign-labels=1
endif
CFLAGS += -DNDEBUG -DLAGFIX -DFRAMESKIP -DGIT_VERSION=\"$(GIT_VERSION)\" -fno-builtin -fno-exceptions -ffunction-sections -std=gnu99
CFLAGS += -Wall -Wextra -pedantic -Wno-implicit-function-declaration -Wno-implicit-fallthrough -Wno-sign-compare -Wno-unused-variable -Wno-unused-function -Wno-uninitialized -Wno-strict-aliasing -Wno-overflow -fno-strict-overflow
ifeq ($(PROFILE), YES)
CFLAGS += -fprofile-generate=./profile
else ifeq ($(PROFILE), APPLY)
CFLAGS += -fprofile-use -fprofile-dir=./profile -fbranch-probabilities
endif
LDFLAGS = -lc -lgcc -lm $(SDL_LIBS) -no-pie -Wl,--as-needed -Wl,--gc-sections -s -flto
ifeq ($(SOUND_BACKEND), portaudio)
LDFLAGS += -lasound -lportaudio
endif
ifeq ($(SOUND_BACKEND), libao)
LDFLAGS += -lao
endif
ifeq ($(SOUND_BACKEND), alsa)
LDFLAGS += -lasound
endif
ifeq ($(SOUND_BACKEND), pulse)
LDFLAGS += -lpulse -lpulse-simple
endif
ifeq ($(PROFILE), YES)
LDFLAGS += -lgcov
endif
# Files to be compiled
SRCDIR = ./source ./shell/emu ./shell/scalers ./shell/audio/$(SOUND_BACKEND) ./shell/menu ./shell/video/$(VIDEO_BACKEND) ./shell/input/$(INPUT_BACKEND) ./shell/other
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)
# Rules to make executable
$(PRGNAME): $(OBJS)
$(CC) $(CFLAGS) -o $(PRGNAME) $^ $(LDFLAGS)
$(OBJ_C) : %.o : %.c
$(CC) $(CFLAGS) -c -o $@ $<
clean:
rm -f $(PRGNAME)$(EXESUFFIX) *.o
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