.PHONY: clean release docs

-include make.conf

# basic compiling and linking - rarely changed
OPTIONS = -DLINUX -DELC $(foreach FEATURE, $(FEATURES), -D$(FEATURE))
CFLAGS=$(PLATFORM) $(CWARN) -O0 -ggdb -pipe $(OPTIONS) $(shell sdl-config --cflags) $(shell xml2-config --cflags) -fno-strict-aliasing $(EXTRA_INCLUDES)
_CFLAGS=$(PLATFORM) -O2 -fomit-frame-pointer -ffast-math -pipe $(OPTIONS) $(shell sdl-config --cflags) $(shell xml2-config --cflags) -fno-strict-aliasing $(EXTRA_INCLUDES)
CXXFLAGS=$(PLATFORM) $(CXXWARN) -O0 -ggdb -pipe $(OPTIONS) $(shell sdl-config --cflags) $(shell xml2-config --cflags) -fno-strict-aliasing $(EXTRA_INCLUDES)
_CXXFLAGS=$(PLATFORM) -O3 -fomit-frame-pointer -ffast-math -pipe $(OPTIONS) $(shell sdl-config --cflags) $(shell xml2-config --cflags) -fno-strict-aliasing $(EXTRA_INCLUDES)

ZLIB_LIBS = -lz
EYE_CANDY_LIBS = -lSDL_image -lpng
PNG_SCREENSHOT_LIBS = -lpng
LDFLAGS=$(shell sdl-config --libs) $(shell xml2-config --libs) -lSDL_net -lopenal $(XDIR) -lGL -lGLU -lvorbis -lvorbisfile -lcal3d -lm $(EXTRA_LIBS) -lalut \
	$(foreach FEATURE, $(FEATURES), $($(FEATURE)_LIBS))
_LDFLAGS=$(XDIR) -lGL -lpthread -lz
STATICLIBS=libs/libSDL_net.a libs/libSDL.a libs/libSDL_image.a libs/libopenal.a libs/libvorbisfile.a libs/libvorbis.a libs/libogg.a libs/libxml2.a libs/libcal3d.a libs/libpng.a libs/libasound.a $(EXTRA_STATICLIBS)

# the objects we need
ENCYCLOPEDIA_COBJ = books/fontdef.o books/parser.o books/symbol.o books/typesetter.o sort.o symbol_table.o
MEMORY_DEBUG_COBJ = elmemory.o
NEW_E3D_FORMAT_COBJ = io/e3d_io.o io/elc_io.o
NEW_FRUSTUM_COBJ = bbox_tree.o
NOTEPAD_COBJ = notepad.o
SFX_COBJ = special_effects.o
TERRAIN_COBJ = normals.o terrain.o
USE_LISPSM_COBJ = lispsm.o
USE_SHADER_COBJ = shader.o
MINIMAP_COBJ = minimap.o
COBJS=2d_objects.o 3d_objects.o	\
	actor_scripts.o actors.o alphamap.o asc.o \
	books.o buddy.o bags.o \
	cache.o cal.o chat.o colors.o console.o consolewin.o counters.o cursors.o	\
	dialogues.o draw_scene.o	\
	elconfig.o elwindows.o encyclopedia.o errors.o events.o	\
	filter.o font.o framebuffer.o frustum.o	\
	gamewin.o gl_init.o hud.o help.o highlight.o	\
	ignore.o init.o interface.o items.o	\
	keys.o knowledge.o lights.o list.o loginwin.o loading_win.o	\
	main.o manufacture.o map_io.o mapwin.o	\
	md5.o misc.o multiplayer.o	\
	new_actors.o new_character.o 	\
	openingwin.o	\
	particles.o paste.o pathfinder.o pm_log.o	\
	questlog.o queue.o reflection.o	rules.o	\
	skills.o sector.o serverpopup.o session.o shadows.o sound.o	\
	spells.o stats.o storage.o	\
	tabs.o text.o textures.o tile_map.o timers.o translate.o trade.o	\
	update.o weather.o widgets.o \
	$(foreach FEATURE, $(FEATURES), $($(FEATURE)_COBJ))
	
EYE_CANDY_CXXOBJ = eye_candy_wrapper.o \
	eye_candy/eye_candy.o eye_candy/math_cache.o eye_candy/effect_lamp.o \
	eye_candy/effect_candle.o \
	eye_candy/effect_campfire.o eye_candy/effect_fountain.o \
	eye_candy/effect_teleporter.o eye_candy/effect_firefly.o \
	eye_candy/effect_sword.o eye_candy/effect_summon.o \
	eye_candy/effect_selfmagic.o eye_candy/effect_targetmagic.o \
	eye_candy/effect_ongoing.o eye_candy/effect_impact.o \
	eye_candy/effect_smoke.o eye_candy/effect_bag.o eye_candy/effect_cloud.o \
	eye_candy/effect_harvesting.o eye_candy/effect_wind.o \
	eye_candy/effect_breath.o
CXXOBJS=cal3d_wrapper.o \
	$(foreach FEATURE, $(FEATURES), $($(FEATURE)_CXXOBJ))

OBJS=$(COBJS) $(CXXOBJS)
HEADER_DIRS = . books eye_candy io

EXE=el.x86.linux.bin

ifndef CC
CC=gcc
endif
ifndef CXX
CXX=g++
endif
ifndef LINK
LINK=gcc
endif

# the compile targets
$(EXE): $(OBJS)
	$(LINK) $(CFLAGS) $(LDFLAGS) -o $(EXE) $(OBJS)

#recompile on Makefile or conf change
.depend $(OBJS): Makefile.linux make.conf

$(COBJS): %.o : %.c
	$(CC) $(CFLAGS) -c -o $@ $<

$(CXXOBJS): %.o : %.cpp
	$(CXX) $(CXXFLAGS) -c -o $@ $<

release:
	$(MAKE) -f Makefile.linux 'CFLAGS=$(_CFLAGS)' 'CXXFLAGS=$(_CXXFLAGS)'

static:
	$(MAKE) -f Makefile.linux 'CFLAGS=$(_CFLAGS)' 'LDFLAGS=$(_LDFLAGS)' 'OBJS=$(OBJS) $(STATICLIBS) -lstdc++ -lGL -lGLU'

clean:
	rm -f $(OBJS) $(EXE) .depend

docs:	
	cd docs && doxygen Doxyfile

.depend: $(foreach HEADER_DIR, $(HEADER_DIRS), $(wildcard $(HEADER_DIR)/*.h))
	$(CC) $(CFLAGS) -MM $(patsubst %.o, %.c, $(COBJS)) >.depend
	$(CXX) $(CXXFLAGS) -MM $(patsubst %.o, %.cpp, $(CXXOBJS)) >>.depend

make.conf: make.defaults
	@if (test -f $@ -a '$(UPDATE_CONF)' != 'yes'); \
	then \
		echo '**'; \
		echo '* WARNING: $< is newer than $@!'; \
		echo '* Proceeding in 10 seconds, hit Ctrl-C to abort...'; \
		echo '*'; \
		sleep 10; \
	else \
		cp $< $@; \
	fi

-include .depend