makefile_linux

SRC=src
BIN=bin
OBJ=obj

SOURCE_FILES = \
	cd_sdl.c    \
	chase.c     \
	cl_demo.c   \
	cl_input.c    \
	cl_main.c   \
	cl_parse.c    \
	cl_tent.c   \
	cmd.c     \
	common.c    \
	console.c   \
	crc.c     \
	cvar.c      \
	d_edge.c    \
	d_fill.c    \
	d_init.c    \
	d_modech.c    \
	d_part.c    \
	d_polyse.c    \
	d_scan.c    \
	d_sky.c     \
	d_sprite.c    \
	d_surf.c    \
	d_vars.c    \
	d_zpoint.c    \
	draw.c      \
	host.c      \
	host_cmd.c    \
	keys.c      \
	mathlib.c   \
	menu.c      \
	model.c     \
	net_bsd.c   \
	net_dgrm.c    \
	net_loop.c    \
	net_main.c    \
	net_udp.c   \
	net_vcr.c   \
	net_wso.c   \
	nonintel.c    \
	pr_cmds.c   \
	pr_edict.c    \
	pr_exec.c   \
	r_aclip.c   \
	r_alias.c   \
	r_bsp.c     \
	r_draw.c    \
	r_edge.c    \
	r_efrag.c   \
	r_light.c   \
	r_main.c    \
	r_misc.c    \
	r_part.c    \
	r_sky.c     \
	r_sprite.c    \
	r_surf.c    \
	r_vars.c    \
	sbar.c      \
	screen.c    \
	snd_dma.c   \
	snd_mem.c   \
	snd_mix.c   \
	snd_sdl.c   \
	sv_main.c   \
	sv_move.c   \
	sv_phys.c   \
	sv_user.c   \
	sys_sdl.c   \
	vid_sdl.c   \
	view.c      \
	wad.c     \
	world.c     \
	zone.c      \

# tool macros
CC := gcc
INCLUDES := -I/usr/include/SDL
CCFLAG := -ffast-math -funroll-loops -fomit-frame-pointer -fexpensive-optimizations -Wall -Wextra -O2 -DSDL -D__linux__ -D_GNU_SOURCE=1 -D_REENTRANT $(INCLUDES)
DBGFLAG := -g
CCOBJFLAG := $(CCFLAG) -c
LDFLAGS := -lm -lSDL -lpthread

# path macros
BIN_PATH := bin
OBJ_PATH := obj
SRC_PATH := src
DBG_PATH := debug

# compile macros
TARGET_NAME := rgquake
TARGET := $(BIN_PATH)/$(TARGET_NAME)
TARGET_DEBUG := $(DBG_PATH)/$(TARGET_NAME)
MAIN_SRC := # FILL: src file contains `main()`

# src files & obj files
SRC := $(addprefix $(SRC_PATH)/, $(SOURCE_FILES))
OBJ := $(addprefix $(OBJ_PATH)/, $(addsuffix .o, $(notdir $(basename $(SRC)))))
OBJ_DEBUG := $(addprefix $(DBG_PATH)/, $(addsuffix .o, $(notdir $(basename $(SRC)))))

LINKCMD := $(CC) -o $(TARGET) $(OBJ) $(LDFLAGS)
LINKCMD_DEBUG := $(CC) -o $(TARGET_DEBUG) $(OBJ_DEBUG) $(LDFLAGS)

# clean files list
DISTCLEAN_LIST := $(OBJ) \
									$(OBJ_DEBUG)
CLEAN_LIST := $(TARGET) \
				$(TARGET_DEBUG) \
				$(DISTCLEAN_LIST)

# default rule
default: all

# non-phony targets
$(TARGET): $(OBJ)
	$(LINKCMD)

$(OBJ_PATH)/%.o: $(SRC_PATH)/%.c*
	$(CC) $(CCOBJFLAG) -o $@ $<

$(DBG_PATH)/%.o: $(SRC_PATH)/%.c*
	$(CC) $(CCOBJFLAG) $(DBGFLAG) -o $@ $<

$(TARGET_DEBUG): $(OBJ_DEBUG)
	$(LINKCMD_DEBUG) $(DBGFLG)

# phony rules
.PHONY: all
all: $(TARGET)

.PHONY: debug
debug: $(TARGET_DEBUG)

.PHONY: clean
clean:
	@echo CLEAN $(CLEAN_LIST)
	@rm -f $(CLEAN_LIST)

.PHONY: distclean
distclean:
	@echo CLEAN $(DISTCLEAN_LIST)
	@rm -f $(DISTCLEAN_LIST)