BASE_CFLAGS=-O2
DEBUG_CFLAGS=-g -Wall -DDEVELOPER
ifndef CFLAGS
	CFLAGS=$(BASE_CFLAGS)
endif

default:
	@echo
	@echo "benmachine's chess board project"
	@echo
	@echo Targets:
	@echo "  chess-ansi: should build on most systems"
	@echo "  chess-allegro: requires Allegro (http://alleg.sourceforge.net)"
	@echo "  chess-cairo: doesn't really work, requires Cairo (http://cairographics.org/)" 
	@echo "  all, clean: compile or remove all files"
	@echo

all: chess-ansi chess-allegro chess-cairo

debug:
	CFLAGS="$(BASE_CFLAGS) $(DEBUG_CFLAGS)" make all

clean:
	rm -f chess-ansi chess-allegro chess-cairo
	rm -f output/*

chess-ansi: output output/main.o output/cmds.o output/ui_ansi.o
	gcc -o chess-ansi output/main.o output/cmds.o output/ui_ansi.o $(CFLAGS)

chess-allegro: output output/main_allegro.o output/cmds.o output/ui_allegro.o
	gcc -o chess-allegro output/main_allegro.o output/cmds.o output/ui_allegro.o `allegro-config --libs` $(CFLAGS)

chess-cairo: output output/main.o output/cmds.o output/ui_cairo.o
	gcc -o chess-cairo output/main.o output/cmds.o output/ui_cairo.o `pkg-config cairo-xlib --libs` $(CFLAGS)

output:
	[ ! -d output ] && mkdir output

output/main.o: main.c chess.h
	gcc -c -o output/main.o main.c $(CFLAGS)

output/cmds.o: cmds.c chess.h
	gcc -c -o output/cmds.o cmds.c $(CFLAGS)

#output/main_cairo.o: main.c chess.h
#	gcc -g -Wall -c -DDEVELOPER -DCHESS_CAIRO -o output/main_cairo.o main.c `pkg-config cairo-xlib --cflags`

output/main_allegro.o: main.c chess.h
	gcc -c -DCHESS_ALLEGRO -o output/main_allegro.o main.c $(CFLAGS)

output/ui_ansi.o: ui_ansi.c chess.h
	gcc -c -o output/ui_ansi.o ui_ansi.c $(CFLAGS)

output/ui_allegro.o: ui_allegro.c chess.h
	gcc -c -o output/ui_allegro.o ui_allegro.c $(CFLAGS)

output/ui_cairo.o: ui_cairo.c chess.h
	gcc -c -o output/ui_cairo.o ui_cairo.c `pkg-config cairo-xlib --cflags` $(CFLAGS)