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

######################################################################
# The default build target: just build the scummvm executable
######################################################################

all: $(EXECUTABLE) plugins


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

PLUGINS :=
MODULES := test tools base $(MODULES)

-include $(srcdir)/engines/engines.mk

# After the game specific modules follow the shared modules
MODULES += \
	engines \
	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 base/version.o depend on all other object files. This way if anything is
# changed, it causes version.cpp to be recompiled. This in turn ensures that
# the build date in gScummVMBuildDate is correct.
base/version.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) config.h config.mk config.log

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

# Old (dumb) compile & dependcy rules
#INCS	= scumm/scumm.h common/scummsys.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.
%.o: %.cpp
	$(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.
%.o: %.cpp
	$(MKDIR) $(*D)/$(DEPDIR)
	$(CXX) -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d",-MQ,"$@",-MP $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $*.o
%.o: %.m
	$(MKDIR) $(*D)/$(DEPDIR)
	$(CXX) -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d",-MQ,"$@",-MP $(OBJCFLAGS) -c $(<) -o $*.o
endif

%.o: %.s
	$(AS) $(ASFLAGS) $(<) -o $*.o

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

# Include the dependency tracking files.
-include $(wildcard $(addsuffix /*.d,$(DEPDIRS)))


######################################################################
# Get the current version information
######################################################################

# AmigaOS4's grep has a problem with "./" in pathnames, so use cat.
VERSION = $(shell cat "${srcdir}/base/internal_version.h" | grep SCUMMVM_VERSION | cut -d\" -f2)
VER_MAJOR = $(shell echo $(VERSION) | cut -d. -f 1)
VER_MINOR = $(shell echo $(VERSION) | cut -d. -f 2)
VER_PATCH = $(shell echo $(VERSION) | cut -d. -f 3 | cut -c1)
VER_EXTRA = $(shell echo $(VERSION) | cut -d. -f 3 | cut -c2-)


######################################################################
# Get Subversion's working copy information
######################################################################

ifeq ($(shell LANG=C svn stat $(srcdir) 2>&1 | grep "is not a working copy"),)
SVNROOT := $(srcdir)
ifeq ($(origin SVNREV), undefined)
# Get the working copy base revision
VER_SVNREV := $(shell LANG=C svn info $(SVNROOT) | grep "^Revision" | cut -d ' ' -f 2)
endif
else
SVNROOT := https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/
endif

# Define the Subversion revision if available, either autodetected or
# specified by the user
ifneq ($(origin VER_SVNREV), undefined)
CXXFLAGS+= -DSCUMMVM_SVN_REVISION=\"$(VER_SVNREV)\"
endif


######################################################################
# Create the files that depend on the version
######################################################################

VERSION_FILES = \
	$(srcdir)/dists/iphone/Info.plist \
	$(srcdir)/dists/macosx/Info.plist

$(VERSION_FILES): %: %.in
	@echo "Creating $@"
	@cat $< | sed \
		-e "s/@VER_MAJOR@/$(VER_MAJOR)/g" \
		-e "s/@VER_MINOR@/$(VER_MINOR)/g" \
		-e "s/@VER_PATCH@/$(VER_PATCH)/g" \
		-e "s/@VER_EXTRA@/$(VER_EXTRA)/g" \
		-e "s/@VERSION@/$(VERSION)/g" \
		> $@


######################################################################
# Distribution settings
######################################################################

ifeq ($(VER_EXTRA),svn)
ifeq ($(origin VER_SVNREV), undefined)
DISTVERSION = $(shell date '+%Y-%m-%d')
else
DISTVERSION = svn$(VER_SVNREV)
endif
else
DISTVERSION = $(VERSION)
endif

DISTNAME := scummvm-$(DISTVERSION)
DISTDIR := dist
VERFILE := $(DISTDIR)/$(DISTNAME)/base/internal_version.h

$(VERFILE): $(srcdir)/base/internal_version.h
	@$(RM_REC) $(DISTDIR)
	@$(MKDIR) $(DISTDIR)
	svn export $(SVNROOT) $(DISTDIR)/$(DISTNAME)
ifneq ($(origin VER_SVNREV), undefined)
	@# Use the current SVN revision as a default for the snapshot sources
	@svn cat $(SVNROOT)/base/internal_version.h | sed -e \
		"s/^#define SCUMMVM_SVN_REVISION$$/#define SCUMMVM_SVN_REVISION \"$(VER_SVNREV)\"/g" \
		> $(VERFILE)
endif

$(DISTDIR)/$(DISTNAME).tar.gz: $(VERFILE)
	cd $(DISTDIR); tar zcf $(DISTNAME).tar.gz $(DISTNAME)

$(DISTDIR)/$(DISTNAME).tar.bz2: $(VERFILE)
	cd $(DISTDIR); tar jcf $(DISTNAME).tar.bz2 $(DISTNAME)

$(DISTDIR)/$(DISTNAME).zip: $(VERFILE)
	cd $(DISTDIR); zip -qr9 $(DISTNAME).zip $(DISTNAME)

dist-src: \
	$(DISTDIR)/$(DISTNAME).tar.gz \
	$(DISTDIR)/$(DISTNAME).tar.bz2 \
	$(DISTDIR)/$(DISTNAME).zip
	@#RPM-src?
	@#DEB-src?

# Common files
DIST_FILES_DOCS:=$(addprefix $(srcdir)/,AUTHORS COPYING COPYING.LGPL COPYRIGHT NEWS README)

# Themes files
DIST_FILES_THEMES:=$(addprefix $(srcdir)/gui/themes/,scummmodern.zip)

# Engine data files
DIST_FILES_ENGINEDATA=
ifdef ENABLE_DRASCULA
DIST_FILES_ENGINEDATA+=drascula.dat
endif
ifdef ENABLE_IGOR
DIST_FILES_ENGINEDATA+=igor.tbl
endif
ifdef ENABLE_KYRA
DIST_FILES_ENGINEDATA+=kyra.dat
endif
ifdef ENABLE_LURE
DIST_FILES_ENGINEDATA+=lure.dat
endif
ifdef ENABLE_M4
DIST_FILES_ENGINEDATA+=m4.dat
endif
ifdef ENABLE_QUEEN
DIST_FILES_ENGINEDATA+=queen.tbl
endif
ifdef ENABLE_SKY
DIST_FILES_ENGINEDATA+=sky.cpt
endif
DIST_FILES_ENGINEDATA:=$(addprefix $(srcdir)/dists/engine-data/,$(DIST_FILES_ENGINEDATA))

# pred.dic is currently only used for the AGI engine
ifdef ENABLE_AGI
DIST_FILES_ENGINEDATA+=$(srcdir)/dists/pred.dic
endif

# Plugin files
DIST_FILES_PLUGINS:=$(addprefix $(srcdir)/,$(PLUGINS))

.PHONY: all clean distclean plugins dist-src