# $Id$
# This file is used by Makefile and declares common build rules,
# a list of common object files etc.

######################################################################
# The defaul build target: just build the scummvm executable
######################################################################
all: $(EXECUTABLE) plugins


######################################################################
# Various minor settings
######################################################################

# Files that are to be included in the archive built by "make dist"
DISTFILES := \
	Makefile Makefile.common \
	AUTHORS NEWS README COPYING scummvm.6 Info.plist \
	scumm.dsp  scummvm.dsp scummvm.dsw scummvm.icns scummvm.ico \
	scummvm.proj scummvm.rc scummvm.spec scummvm.xpm simon.dsp sky.dsp \
	scummvm.vcproj scumm.vcproj simon.vcproj sky.vcproj scummvm.sln

# The dist file name
ZIPFILE := scummvm-`date '+%Y-%m-%d'`.zip

# The name for the directory used for depenency tracking
DEPDIR := .deps


######################################################################
# Module settings
######################################################################

MODULES := tools base $(MODULES)

ifdef DISABLE_SCUMM
DEFINES += -DDISABLE_SCUMM
else
MODULES += engines/scumm

ifdef DISABLE_SCUMM_7_8
DEFINES += -DDISABLE_SCUMM_7_8
endif

ifdef DISABLE_HE
DEFINES += -DDISABLE_HE
endif

endif

ifdef DISABLE_SIMON
DEFINES += -DDISABLE_SIMON
else
MODULES += engines/simon
endif

ifdef DISABLE_SKY
DEFINES += -DDISABLE_SKY
else
MODULES += engines/sky
endif

ifdef DISABLE_SWORD1
DEFINES += -DDISABLE_SWORD1
else
MODULES += engines/sword1
endif

ifdef DISABLE_SWORD2
DEFINES += -DDISABLE_SWORD2
else
MODULES += engines/sword2
endif

ifdef DISABLE_QUEEN
DEFINES += -DDISABLE_QUEEN
else
MODULES += engines/queen
endif

ifdef DISABLE_SAGA
DEFINES += -DDISABLE_SAGA
else 
MODULES += engines/saga
endif

ifdef DISABLE_KYRA
DEFINES += -DDISABLE_KYRA
else 
MODULES += engines/kyra
endif

ifdef DISABLE_GOB
DEFINES += -DDISABLE_GOB
else 
MODULES += engines/gob
endif

ifdef DISABLE_LURE
DEFINES += -DDISABLE_LURE
else
MODULES += engines/lure
endif

# After the game specific modules follow the shared modules
MODULES += \
	gui \
	graphics \
	sound \
	backends \
	common

ifdef USE_MT32EMU
MODULES += sound/softsynth/mt32
endif

ifdef DISABLE_SCALERS
DEFINES += -DDISABLE_SCALERS
endif

ifdef DISABLE_HQ_SCALERS
DEFINES += -DDISABLE_HQ_SCALERS
endif

######################################################################
# The build rules follow - normally you should have no need to
# touch whatever comes after here.
######################################################################

# Concat DEFINES and INCLUDES to form the CPPFLAGS
CPPFLAGS:= $(DEFINES) $(INCLUDES)

# Include the build instructions for all modules
-include $(addprefix $(srcdir)/, $(addsuffix /module.mk,$(MODULES)))

# Depdir information
DEPDIRS = $(addsuffix /$(DEPDIR),$(MODULE_DIRS))
DEPFILES = 

# Make main.o depend on all other object files. This way if anything is
# changed, it causes main.cpp to be recompiled. This in turn ensures that
# the build date in gScummVMBuildDate is correct.
base/main.o: $(filter-out base/libbase.a,$(OBJS))

# The build rule for the ScummVM executable
$(EXECUTABLE):  $(OBJS)
	$(CXX) $(LDFLAGS) $(PRE_OBJS_FLAGS) $+ $(POST_OBJS_FLAGS) $(LIBS) -o $@

distclean: clean
	$(RM_REC) $(DEPDIRS)
	$(RM) build.rules config.h config.mak config.log

clean:
	$(RM) $(OBJS) $(EXECUTABLE)

.PHONY: all clean dist distclean plugins

# Old (dumb) compile & dependcy rules
#INCS	= scumm/scumm.h common/scummsys.h common/stdafx.h
#.cpp.o:
#	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $*.o
#$(OBJS): $(INCS)

ifndef HAVE_GCC3
# If you use GCC, disable the above and enable this for intelligent
# dependency tracking. 
.cpp.o:
	$(MKDIR) $(*D)/$(DEPDIR)
	$(CXX) -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d2" $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $*.o
	$(ECHO) "$(*D)/" > $(*D)/$(DEPDIR)/$(*F).d
	$(CAT) "$(*D)/$(DEPDIR)/$(*F).d2" >> "$(*D)/$(DEPDIR)/$(*F).d"
	$(RM) "$(*D)/$(DEPDIR)/$(*F).d2"
else
# If you even have GCC 3.x, you can use this build rule, which is safer; the above
# rule can get you into a bad state if you Ctrl-C at the wrong moment.
# Also, with this GCC inserts additional dummy rules for the involved headers,
# which ensures a smooth compilation even if said headers become obsolete.
.cpp.o:
	$(MKDIR) $(*D)/$(DEPDIR)
	$(CXX) -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d",-MQ,"$@",-MP $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $*.o
endif

ifdef HAVE_NASM
.SUFFIXES: .asm

.asm.o:
	$(NASM) -O1 $(NASMFLAGS) -g -o $*.o $(<)
endif

# Include the dependency tracking files. We add /dev/null at the end
# of the list to avoid a warning/error if no .d file exist
-include $(wildcard $(addsuffix /*.d,$(DEPDIRS))) /dev/null