PROJDIR := ../../..

SOURCEDIR := $(PROJDIR)/src
BUILDDIR := $(PROJDIR)/build/dos16

TARGET = $(PROJDIR)/dist/dos16/labyrin.exe

DIRS = common common/spc common/wall platforms/dos data_conversion
SOURCEDIRS = $(foreach dir, $(DIRS), $(addprefix $(SOURCEDIR)/, $(dir)))
TARGETDIRS = $(foreach dir, $(DIRS), $(addprefix $(BUILDDIR)/, $(dir)))

INCLUDES = $(foreach dir, $(SOURCEDIRS), $(addprefix -I, $(dir)))

VPATH = $(SOURCEDIRS)

SOURCES = $(foreach dir,$(SOURCEDIRS),$(wildcard $(dir)/*.c))

OBJS := $(subst $(SOURCEDIR),$(BUILDDIR),$(SOURCES:.c=.o))

DEPS = $(OBJS:.o=.d)

CC = owcc
CFLAGS = -g -Wall -Werror -bDOS -march=i86 -D LARGER_SYSTEM 

define generateRules
$(1)/%.o: %.c
	@echo -n "Compiling "
	@echo $$@... | cut -d/ -f6-
	@$(CC) -c $$(INCLUDES) $(CFLAGS) -o $$@ $$< -MMD
	@rm -f `basename $$@ .o`.d # FIXME Tell owcc not to generate deps files.
endef

.PHONY: all clean distclean directories clean-plat distclean-plat tgz

all:
	@make --no-print-directory directories dos16

dos16:
	@rm -rf $(PROJDIR)/dist/dos16
	@echo
	@echo Building for DOS 16-bit real mode...
	@make --no-print-directory directories $(TARGET)
	@echo Copying master data...
	@cd $(PROJDIR)/master_data && cp -rf * ../dist/dos16

$(TARGET): $(OBJS)
	@echo Linking DOS 16-bit real mode...
	@wcl -g -l=dos -fe=labyrin $(OBJS) | tail -n +15
	@mv -f labyrin.exe $(TARGET)

-include $(DEPS)

$(foreach targetdir, $(TARGETDIRS), $(eval $(call generateRules, $(targetdir))))

directories: 
	@mkdir -p $(TARGETDIRS)
	@mkdir -p `dirname $(TARGET)`

clean:
	@make --no-print-directory ARCH=i386 clean-plat
	@make --no-print-directory ARCH=x86-64 clean-plat
	
distclean:
	@make --no-print-directory ARCH=i386 distclean-plat
	@make --no-print-directory ARCH=x86-64 distclean-plat

clean-plat:
	@rm -rf $(BUILDDIR)

distclean-plat: clean-plat
	@rm -rf `dirname $(TARGET)`

tgz: all
	@echo
	@echo -n "Creating distribution archives: "
	@cd $(PROJDIR)/dist && \
		REV=`svn info http://svn.ocfco.net/public/DND/ -r 'HEAD' | grep "Last Changed Rev" | egrep -o "[0-9]+"` && \
		for i in dos16 ; do \
			echo -n "$$i "; \
			zip --quiet -r Labyrinth-unstable$$REV-$$i.zip $$i; \
		done; \
		echo