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

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


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

# Files that are to be included in the archive built by "make dist"
DISTFILES := \
	Makefile Makefile.common Makefile.mingw \
	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


######################################################################
# Plugin settings
######################################################################

# Whether to build plugins or now (TODO: should be set by configure script
#BUILD_PLUGINS := 1

# Plugin prefix. Typically "lib" on Unix, and nothing everywhere else
PLUGIN_PREFIX := lib
# Plugin suffix. For static/shared libs this is typically ".so"/".a" on Unix,
# ".dll"/".lib" on Windows, ".bundle"/".a" on OS X, etc.
PLUGIN_SUFFIX := .so

ifdef BUILD_PLUGINS
# FIXME/TODO: The following is OS X specific (and the '-m' is an evil hack
# to work around the conflict between our operators new/delete and the
# ones provided by libstdc++.a)
LDFLAGS += -all_load -m
endif

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

MODULES := base $(MODULES)

ifdef DISABLE_SCUMM
DEFINES += -DDISABLE_SCUMM
else
MODULES += scumm
endif

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

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

ifdef DISABLE_SWORD2
DEFINES += -DDISABLE_SWORD2
else
MODULES += bs2
endif

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


######################################################################
# 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 $(addsuffix /module.mk,$(MODULES))

# 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) $+ $(LIBS) -o $@

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

.PHONY: all clean dist distclean

DEPDIRS = $(addsuffix /$(DEPDIR),$(MODULE_DIRS))
DEPFILES = $(wildcard $(addsuffix /*.d,$(DEPDIRS)))

# 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
-include $(DEPFILES) /dev/null

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