# created on 4/12/2006 by James Bentler

FMOD_PREFIX = /usr/local
CXX ?= g++
CC ?= gcc
NASM ?= nasm
CCDV = @./ccdv
ifdef DEBUG
  CFLAGS ?= -pipe -Wall -Wno-unused -fno-strict-aliasing
else
  CFLAGS ?= -pipe -Wall -Wno-unused -fno-strict-aliasing -O2 -fomit-frame-pointer
  CXXFLAGS ?= -fno-rtti
endif
#ifdef GC
#  CFLAGS += -ffunction-sections
#  LDFLAGS += -Wl,--gc-sections
#endif
CFLAGS += -MMD -DHAVE_FILELENGTH -D__forceinline=inline `sdl-config --cflags` `pkg-config gtk+-2.0 --cflags`
CFLAGS += -Dstricmp=strcasecmp -Dstrnicmp=strncasecmp -DNEED_STRUPR
LDFLAGS += -lz -ljpeg -`sdl-config --libs` `pkg-config gtk+-2.0 --libs` $(FMOD_PREFIX)/lib/libfmodex.so
NASMFLAGS += -f elf -DM_TARGET_LINUX

SRCDIRS = src/ $(addprefix src/,g_doom/ g_heretic/ g_hexen/ g_raven/ g_shared/ g_strife/ oplsynth/ sound/ sdl/ textures/ thingdef/ xlat/ timidity/)
VPATH = $(SRCDIRS)
INCLUDES = $(addprefix -I,$(SRCDIRS))
INCLUDES += -Isnes_spc/snes_spc/ -I$(FMOD_PREFIX)/include/fmodex/
CFLAGS += $(INCLUDES)

RELEASEOBJ ?= releaseobj
DEBUGOBJ ?= debugobj

CPPSRCS = $(wildcard $(addsuffix *.cpp,$(SRCDIRS)))
CSRCS = $(filter-out src/xlat/xlat_parser.c, $(wildcard $(addsuffix *.c,$(SRCDIRS))))
ifdef NOASM
  CFLAGS += -DNOASM
else
  ASRCS = $(wildcard src/*.nas)
  CFLAGS += -DUSEASM=1
endif
SRCS = $(CSRCS) $(CPPSRCS) $(ASRCS)
CPPOBJFILES = $(notdir $(patsubst %.cpp,%.o,$(CPPSRCS)))
COBJFILES = $(notdir $(patsubst %.c,%.o,$(CSRCS)))
AOBJFILES = $(notdir $(patsubst %.nas,%.o,$(ASRCS)))

ZDOOM = zdoom
ZDOOMDEBUG = zdoomd

ifdef DEBUG
  OBJDIR = $(DEBUGOBJ)
  CFLAGS += -D_DEBUG -g3
  NASMFLAGS += -g
  ZDOOMBIN = $(ZDOOMDEBUG)
else
  OBJDIR = $(RELEASEOBJ)
  CFLAGS += -DNDEBUG
  LDFLAGS += -Wl,-Map=$(ZDOOM).map
  ifndef NOSTRIP
    LDFLAGS += -s
  endif
  ZDOOMBIN = $(ZDOOM)
endif
CXXFLAGS += $(CFLAGS)

COBJS = $(addprefix $(OBJDIR)/,$(CPPOBJFILES) $(COBJFILES))
DEPS = $(patsubst %.o,%.d,$(COBJS))
OBJS = $(addprefix $(OBJDIR)/,$(AOBJFILES)) $(COBJS)

all: $(ZDOOMBIN) toolsandpk3 zdoom.pk3

$(ZDOOMBIN): ccdv updaterev src/xlat/xlat_parser.h src/xlat/xlat_parser.c $(OBJDIR) $(OBJS) snes_spc/libsnes_spc.a
	$(CCDV) $(CXX) $(LDFLAGS) $(OBJDIR)/autostart.o \
	$(filter-out %/autostart.o %/autozend.o,$(OBJS)) \
	snes_spc/libsnes_spc.a $(OBJDIR)/autozend.o -o $(ZDOOMBIN)

$(OBJDIR)/%.o: %.cpp
	$(CCDV) $(CXX) $(CXXFLAGS) -o $@ -c $<

$(OBJDIR)/%.o: %.c
	$(CCDV) $(CC) $(CFLAGS) -o $@ -c $<

$(OBJDIR)/%.o: %.nas
	$(CCDV) $(NASM) -o $@ $(NASMFLAGS) $<

# This file needs special handling so that it actually gets compiled with SSE2 support.
$(OBJDIR)/nodebuild_classify_sse2.o: nodebuild_classify_sse2.cpp
	$(CCDV) $(CXX) $(CXXFLAGS) -msse2 -mfpmath=sse -c -o $@ $<

# This file needs special handling because GCC misoptimizes it otherwise.
$(OBJDIR)/fmopl.o: src/oplsynth/fmopl.cpp
	$(CCDV) $(CXX) $(CXXFLAGS) -fno-tree-dominator-opts -fno-tree-fre -c -o $@ $<

src/xlat/xlat_parser.h src/xlat/xlat_parser.c: tools/lemon/lemon src/xlat/xlat_parser.y
	$(CCDV) tools/lemon/lemon -s src/xlat/xlat_parser.y

$(OBJDIR):
	mkdir $(OBJDIR)

toolsandpk3: ccdv tools/makewad/makewad tools/dehsupp/dehsupp tools/lemon/lemon
	$(MAKE) -C wadsrc/

zdoom.pk3: toolsandpk3
	ln -sf wadsrc/zdoom.pk3 ./

snes_spc/libsnes_spc.a: ccdv
	$(MAKE) -C snes_spc/

tools/makewad/makewad: ccdv
	$(MAKE) -C tools/makewad/

tools/dehsupp/dehsupp: ccdv
	$(MAKE) -C tools/dehsupp/

tools/lemon/lemon: ccdv
	$(MAKE) -C tools/lemon/

updaterev: tools/updaterevision/updaterevision
	@tools/updaterevision/updaterevision . src/svnrevision.h

tools/updaterevision/updaterevision: ccdv
	$(MAKE) -C tools/updaterevision

.PHONY : clean cleandeps cleanobjs distclean toolsandpk3 cleantools updaterev

clean: cleanobjs
	rm -f $(ZDOOMDEBUG) $(ZDOOM) $(ZDOOM).map
	rm -f ccdv
	@$(MAKE) -C snes_spc clean

cleantools:
	@$(MAKE) -C wadsrc clean
	@$(MAKE) -C tools/makewad clean
	@$(MAKE) -C tools/dehsupp clean
	@$(MAKE) -C tools/updaterevision clean
	@$(MAKE) -C tools/lemon clean

cleandebug:
	rm -f $(ZDOOMDEBUG) $(DEBUGOBJ)/*.o $(DEBUGOBJ)/*.d
	-rmdir $(DEBUGOBJ)

cleanrelease:
	rm -f $(ZDOOM) $(ZDOOM).map $(RELEASEOBJ)/*.o $(RELEASEOBJ)/*.o
	-rmdir $(RELEASEOBJ)

# I could use a recursive delete instead, but that could be dangerous...
distclean: clean cleandeps
	-rmdir $(RELEASEOBJ) $(DEBUGOBJ)
	rm -f zdoom.pk3

cleandeps:
	rm -f $(RELEASEOBJ)/*.d $(DEBUGOBJ)/*.d

cleanobjs:
	rm -f $(RELEASEOBJ)/*.o $(DEBUGOBJ)/*.o 
   
ccdv: ccdv-posix.c
	@gcc -Os -s ccdv-posix.c -o ccdv

ifeq (,$(findstring $(MAKECMDGOALS),clean cleandeps cleanobjs distclean toolsandpk3 cleantools updaterev))
-include $(DEPS)
endif