#
# JoeQuake Makefile for Linux
#
# by Slawomir Mazurek <homer13@o2.pl>
#

# this nice line comes from the linux kernel makefile
ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/alpha/axp/)
OSTYPE := $(shell uname -s)

CC 		?= gcc
#_E 		:= @
LOCALBASE 	?= /usr/local
X11BASE 	?= /usr/X11R6
USE_OPTIMIZED_CFLAGS 	?= YES

ifeq ($(ARCH),i386)
USE_X86_ASM 	?= YES
else
USE_X86_ASM 	= NO
endif

################

all:

################################
# Directories for object files #
################################

GLX_DIR		:= release_glx
X11_DIR		:= release_x11
SVGA_DIR	:= release_svga

################
# Binary files #
################

GLX_TARGET	:= $(GLX_DIR)/joequake-gl.glx
X11_TARGET	:= $(X11_DIR)/joequake.x11
SVGA_TARGET	:= $(SVGA_DIR)/joequake.svga

################

C_BUILD = $(_E)$(CC) -c -o $@ $(_CFLAGS) $<
S_BUILD = $(_E)$(CC) -c -o $@ $(_CFLAGS) -DELF -x assembler-with-cpp $<
BUILD = $(_E)$(CC) -o $@ $(_OBJS) $(_LDFLAGS)
MKDIR = $(_E)mkdir -p $@
RM_FILES = $(_E)rm -f $(_FILES)
RM_DIRS = $(_E)rm -fr $(_DIRS)

################

$(GLX_DIR) $(X11_DIR) $(SVGA_DIR):
	$(MKDIR)

CFLAGS += -DNDEBUG -DDATADIR='"$(Q1DIR)"'

ifeq ($(strip $(USE_OPTIMIZED_CFLAGS)),YES)
CFLAGS += -O1 -funsigned-char -funroll-loops -fomit-frame-pointer \
	  -ffast-math -fno-strength-reduce -fexpensive-optimizations
endif

LDFLAGS := -lm

#######
# GLX #
#######

GLX_C_FILES := \
	cd_linux	chase		cl_demo		cl_input \
	cl_main		cl_parse	cl_tent		cmd \
	common		console		crc		cvar \
	\
	gl_draw		gl_mesh		gl_model	gl_refrag \
	gl_rlight	gl_rmain	gl_rmisc	gl_rpart \
	gl_rsurf	gl_screen	gl_warp \
	\
	host		host_cmd	keys		mathlib \
	menu		nehahra		net_bsd		net_dgrm \
	net_loop	net_main	net_udp		net_vcr \
	pr_cmds		pr_edict	pr_exec		r_part \
	sbar		snd_dma		snd_linux	snd_mem \
	snd_mix		sv_main		sv_move		sv_phys \
	sv_user		sys_linux	vid_common_gl	vid_glx \
	view		wad		world		zone \
	image		version		security	iplog \
	cl_slist

ifeq ($(strip $(USE_X86_ASM)),YES)
GLX_S_FILES := \
	math		snd_mixa	sys_x86
endif

GLX_C_OBJS := $(addprefix $(GLX_DIR)/, $(addsuffix .o, $(GLX_C_FILES)))
GLX_S_OBJS := $(addprefix $(GLX_DIR)/, $(addsuffix .o, $(GLX_S_FILES)))

GLX_CFLAGS := $(CFLAGS) \
	-DGLQUAKE	-I$(X11BASE)/include

ifeq ($(strip $(USE_X86_ASM)),YES)
GLX_CFLAGS += -Did386
endif

GLX_LDFLAGS := $(LDFLAGS) \
	-L$(X11BASE)/lib	-lGL		-lX11 \
	-lXext			-lXxf86dga	-lXxf86vm \
	-L$(LOCALBASE)/lib	-lpng		-ljpeg

glx: _DIR := $(GLX_DIR)
glx: _OBJS := $(GLX_C_OBJS) $(GLX_S_OBJS)
glx: _LDFLAGS := $(GLX_LDFLAGS)
glx: _CFLAGS := $(GLX_CFLAGS)
glx: $(GLX_TARGET)

$(GLX_TARGET): $(GLX_DIR) $(GLX_C_OBJS) $(GLX_S_OBJS)
	$(BUILD)

$(GLX_C_OBJS): $(GLX_DIR)/%.o: %.c quakedef.h
	$(C_BUILD)

$(GLX_S_OBJS): $(GLX_DIR)/%.o: %.s
	$(S_BUILD)

glxclean: _FILES += $(GLX_C_OBJS) $(GLX_S_OBJS)
glxclean: _DIRS := $(GLX_DIR)
glxclean:
	$(RM_FILES)
	$(RM_DIRS)

glxclobber: _FILES := $(GLX_TARGET)
glxclobber: glxclean

#######
# X11 #
#######

X11_C_FILES := \
	cl_demo		cl_input	cl_main		cl_parse \
	cl_tent		chase		cmd		common \
	console		crc		cvar		d_edge \
	d_fill		d_init		d_modech	d_polyse \
	d_scan		d_sky		d_sprite	d_surf \
	d_vars		d_zpoint	host		host_cmd \
	keys		menu		mathlib		net_dgrm \
	net_loop	net_main	net_vcr		net_udp \
	net_bsd		pr_cmds		pr_edict	pr_exec \
	r_aclip		r_alias		r_bsp		r_draw \
	r_light		r_efrag		r_edge		r_main \
	r_misc		r_model		r_rast		r_sky \
	r_sprite	r_surf		r_part		r_vars \
	r_screen	sbar		sv_main		sv_phys \
	sv_move		sv_user		zone		view \
	wad		world		cd_linux	sys_linux \
	vid_x11		snd_dma		snd_mem		snd_mix \
	snd_linux	image		version		security \
	iplog		cl_slist

ifeq ($(strip $(USE_X86_ASM)),YES)
X11_S_FILES := \
	d_copy		d_draw		d_draw16	d_parta \
	d_polysa	d_scana		d_spr8		d_varsa \
	math		r_aclipa	r_aliasa	r_drawa \
	r_edgea		r_varsa		snd_mixa	surf8 \
	sys_x86
endif

X11_C_OBJS := $(addprefix $(X11_DIR)/, $(addsuffix .o, $(X11_C_FILES)))
X11_S_OBJS := $(addprefix $(X11_DIR)/, $(addsuffix .o, $(X11_S_FILES)))

X11_CFLAGS := $(CFLAGS) -I$(X11BASE)/include

ifeq ($(strip $(USE_X86_ASM)),YES)
X11_CFLAGS += -Did386
endif

X11_LDFLAGS := $(LDFLAGS) \
	-L$(X11BASE)/lib	-lX11		-lXext \
	-L$(LOCALBASE)/lib	-lpng

x11: _DIR := $(X11_DIR)
x11: _OBJS := $(X11_C_OBJS) $(X11_S_OBJS)
x11: _LDFLAGS := $(X11_LDFLAGS)
x11: _CFLAGS := $(X11_CFLAGS)
x11: $(X11_TARGET)

$(X11_TARGET): $(X11_DIR) $(X11_C_OBJS) $(X11_S_OBJS)
	$(BUILD)

$(X11_C_OBJS): $(X11_DIR)/%.o: %.c quakedef.h
	$(C_BUILD)

$(X11_S_OBJS): $(X11_DIR)/%.o: %.s
	$(S_BUILD)

x11clean: _FILES += $(X11_C_OBJS) $(X11_S_OBJS)
x11clean: _DIRS := $(X11_DIR)
x11clean:
	$(RM_FILES)
	$(RM_DIRS)

x11clobber: _FILES := $(X11_TARGET)
x11clobber: x11clean

########
# SVGA #
########

SVGA_C_FILES := \
	cl_demo		cl_input	cl_main		cl_parse \
	cl_tent		chase		cmd		common \
	console		crc		cvar		d_edge \
	d_fill		d_init		d_modech	d_polyse \
	d_scan		d_sky		d_sprite	d_surf \
	d_vars		d_zpoint	host		host_cmd \
	keys		menu		mathlib		net_dgrm \
	net_loop	net_main	net_vcr		net_udp \
	net_bsd		pr_cmds		pr_edict	pr_exec \
	r_aclip		r_alias		r_bsp		r_draw \
	r_light		r_efrag		r_edge		r_main \
	r_misc		r_model		r_rast		r_sky \
	r_sprite	r_surf		r_part		r_vars \
	r_screen	sbar		sv_main		sv_phys \
	sv_move		sv_user		zone		view \
	wad		world		cd_linux	sys_linux \
	vid_svgalib	snd_dma		snd_mem		snd_mix \
	snd_linux	image		version		security \
	iplog		cl_slist

SVGA_S_FILES := \
	d_copy		d_draw		d_draw16	d_parta \
	d_polysa	d_scana		d_spr8		d_varsa \
	math		r_aclipa	r_aliasa	r_drawa \
	r_edgea		r_varsa		snd_mixa	surf8 \
	sys_x86

SVGA_C_OBJS := $(addprefix $(SVGA_DIR)/, $(addsuffix .o, $(SVGA_C_FILES)))
SVGA_S_OBJS := $(addprefix $(SVGA_DIR)/, $(addsuffix .o, $(SVGA_S_FILES)))

SVGA_CFLAGS := $(CFLAGS) -Did386 -I$(LOCALBASE)/include

SVGA_LDFLAGS := $(LDFLAGS) \
	-L$(X11BASE)/lib	-lX11		-lpthread \
	-L$(LOCALBASE)/lib	-lvga		-lpng

ifeq ($(OSTYPE),Linux)
  ifeq ($(ARCH),i386)
svga: _DIR := $(SVGA_DIR)
svga: _OBJS := $(SVGA_C_OBJS) $(SVGA_S_OBJS)
svga: _LDFLAGS := $(SVGA_LDFLAGS)
svga: _CFLAGS := $(SVGA_CFLAGS)
svga: $(SVGA_TARGET)
  else
svga:
  endif
else
svga:
endif

$(SVGA_TARGET): $(SVGA_DIR) $(SVGA_C_OBJS) $(SVGA_S_OBJS)
	$(BUILD)

$(SVGA_C_OBJS): $(SVGA_DIR)/%.o: %.c quakedef.h
	$(C_BUILD)

$(SVGA_S_OBJS): $(SVGA_DIR)/%.o: %.s
	$(S_BUILD)

svgaclean: _FILES += $(SVGA_C_OBJS) $(SVGA_S_OBJS)
svgaclean: _DIRS := $(SVGA_DIR)
svgaclean:
	$(RM_FILES)
	$(RM_DIRS)

svgaclobber: _FILES := $(SVGA_TARGET)
svgaclobber: svgaclean

#################

clean: glxclean x11clean svgaclean

clobber: _DIRS := $(GLX_DIR) $(X11_DIR) $(SVGA_DIR)
clobber:
	$(RM_DIRS)